バックエンド
バックエンドのリスト
そのサービスインスタンスがアクセス可能なすべてのバックエンドのリストを返します。
許可
このメソッドを呼び出すには、以下のアクションを含む1つ以上のIAMアクセス・ロールが割り当てられている必要があります。 アクセス状況を確認するには、次に移動してください。 Users > User > Access
quantum-computing.device.read
監査
このメソッドを呼び出すと、以下の監査イベントが生成されます。
quantum-computing.device.read
入力
名前、タイプ | 説明 |
|---|---|
fields string | レスポンスで返すフィールドのカンマ区切りリスト。 当初は、 使用可能な値: wait_time_secondsデフォルト値: |
コード・サンプル
GET
/v1/backends インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())出力
状況コード | 説明 |
|---|---|
| 200 | 終了 |
応答
{
"devices": [
{
"name": "ibmq_qasm_simulator",
"status": {
"name": "online"
},
"is_simulator": true,
"qubits": 32,
"clops": {
"type": "virtual",
"value": 150
},
"processor_type": {
"family": "Quantum",
"revision": "RevA",
"segment": "Segment1"
},
"queue_length": 10
},
{
"name": "ibmq_armonk",
"status": {
"name": "offline"
},
"is_simulator": false,
"qubits": 20,
"clops": null,
"processor_type": {
"family": null,
"revision": null,
"segment": null
},
"queue_length": 0
},
{
"name": "ibmq_nazca",
"status": {
"name": "paused",
"reason": "Maintenance"
},
"is_simulator": false,
"qubits": 16,
"clops": {
"type": "hardware",
"value": 80
},
"processor_type": {
"family": "Quantum",
"revision": "RevB",
"segment": "Segment2"
},
"queue_length": 20
}
]
}{
"title": "BackendsResponse",
"type": "object",
"description": "バックエンドの応答",
"properties": {
"devices": {
"minItems": 1,
"type": "array",
"description": "バックエンドのリストとそのステータス",
"items": {
"type": "object",
"required": [
"name",
"status",
"queue_length"
],
"properties": {
"name": {
"type": "string",
"description": "バックエンドデバイスの名前",
"minLength": 1,
"maxLength": 255
},
"status": {
"type": "object",
"description": "バックエンドデバイスのステータス",
"properties": {
"name": {
"type": "string",
"description": "バックエンドデバイスのステータス名",
"enum": [
"online",
"paused",
"offline"
]
},
"reason": {
"type": "string",
"description": "ステータスの理由（オプション"
}
},
"required": [
"name"
]
},
"is_simulator": {
"type": "boolean",
"description": "デバイスがシミュレータであるかどうかを示す"
},
"qubits": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "このデバイスにおけるプログラム可能な量子ビットの数"
},
"physical_qubits": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "物理量子ビットの数（プログラム可能量子ビット、リセット量子ビット、およびカプラーを合わせた数）"
},
"clops": {
"type": "object",
"nullable": true,
"description": "CLOPSの詳細",
"properties": {
"type": {
"type": "string",
"enum": [
"virtual",
"hardware"
]
},
"value": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"required": [
"type",
"value"
]
},
"mcps": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"nullable": true,
"description": "1秒あたりの最大回路数（MCPS）"
},
"processor_type": {
"type": "object",
"nullable": true,
"description": "プロセッサー・タイプの詳細",
"properties": {
"family": {
"type": "string",
"nullable": true,
"description": "プロセッサーのファミリー"
},
"revision": {
"type": "string",
"nullable": true,
"description": "プロセッサーのリビジョン"
},
"segment": {
"type": "string",
"nullable": true,
"description": "プロセッサーのセグメント"
}
}
},
"queue_length": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "実行待ちのジョブ数"
},
"performance_metrics": {
"type": "object",
"properties": {
"two_q_error_best": {
"description": "2Q エラー（最良）",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.1
},
"gate": {
"type": "string",
"example": "cx"
},
"unit": {
"type": "string",
"example": ""
},
"qubits": {
"type": "array",
"example": [
1,
2
],
"items": {
"type": "number"
}
}
},
"required": [
"value",
"gate",
"qubits"
]
}
]
},
"two_q_error_layered": {
"description": "2Q エラー（レイヤー）",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.1
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
},
"two_q_error_median": {
"description": "2Q 誤差（中央値）",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.14123123
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
},
"readout_error_median": {
"description": "読み取り誤差（中央値）",
"allOf": [
{
"type": "object",
"properties": {
"value": {
"type": "number",
"example": 0.3442341
},
"unit": {
"type": "string",
"example": ""
}
},
"required": [
"value"
]
}
]
}
}
},
"wait_time_seconds": {
"type": "object",
"nullable": true,
"description": "デバイスのジョブ待機時間（単位：秒）",
"properties": {
"average": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "ジョブ実行開始までの平均待ち時間（秒）"
},
"p50": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "P50 ジョブ実行開始までの待ち時間（秒）"
},
"p95": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "P95 ジョブ実行開始までの待ち時間（秒）"
}
},
"required": [
"average",
"p50",
"p95"
]
}
}
}
}
},
"required": [
"devices"
]
}バックエンドの設定を取得する
指定したバックエンドの設定を返します。
許可
このメソッドを呼び出すには、以下のアクションを含む1つ以上のIAMアクセス・ロールが割り当てられている必要があります。 アクセス状況を確認するには、次に移動してください。 Users > User > Access
quantum-computing.device.read
監査
このメソッドを呼び出すと、以下の監査イベントが生成されます。
quantum-computing.device.read
入力
名前、タイプ | 説明 |
|---|---|
id 必須 string | 利用可能なバックエンドの識別子 |
名前、タイプ | 説明 |
|---|---|
calibration_id string | 与えられた較正IDに関連付けられた設定を返します。 |
コード・サンプル
GET
/v1/backends/{id}/configuration インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/configuration
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/configuration' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/configuration
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/configuration",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())出力
状況コード | 説明 |
|---|---|
| 200 | 終了 |
応答
{
"acquisition_latency": [],
"allow_q_object": true,
"backend_name": "test_rome",
"backend_version": "1.3.24",
"basis_gates": [
"cx",
"id",
"rz",
"sx",
"x"
],
"channels": {
"acquire0": {
"operates": {
"qubits": [
0
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire1": {
"operates": {
"qubits": [
1
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire2": {
"operates": {
"qubits": [
2
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire3": {
"operates": {
"qubits": [
3
]
},
"purpose": "acquire",
"type": "acquire"
},
"acquire4": {
"operates": {
"qubits": [
4
]
},
"purpose": "acquire",
"type": "acquire"
},
"d0": {
"operates": {
"qubits": [
0
]
},
"purpose": "drive",
"type": "drive"
},
"d1": {
"operates": {
"qubits": [
1
]
},
"purpose": "drive",
"type": "drive"
},
"d2": {
"operates": {
"qubits": [
2
]
},
"purpose": "drive",
"type": "drive"
},
"d3": {
"operates": {
"qubits": [
3
]
},
"purpose": "drive",
"type": "drive"
},
"d4": {
"operates": {
"qubits": [
4
]
},
"purpose": "drive",
"type": "drive"
},
"m0": {
"operates": {
"qubits": [
0
]
},
"purpose": "measure",
"type": "measure"
},
"m1": {
"operates": {
"qubits": [
1
]
},
"purpose": "measure",
"type": "measure"
},
"m2": {
"operates": {
"qubits": [
2
]
},
"purpose": "measure",
"type": "measure"
},
"m3": {
"operates": {
"qubits": [
3
]
},
"purpose": "measure",
"type": "measure"
},
"m4": {
"operates": {
"qubits": [
4
]
},
"purpose": "measure",
"type": "measure"
},
"u0": {
"operates": {
"qubits": [
0,
1
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u1": {
"operates": {
"qubits": [
1,
0
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u2": {
"operates": {
"qubits": [
1,
2
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u3": {
"operates": {
"qubits": [
2,
1
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u4": {
"operates": {
"qubits": [
2,
3
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u5": {
"operates": {
"qubits": [
3,
2
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u6": {
"operates": {
"qubits": [
3,
4
]
},
"purpose": "cross-resonance",
"type": "control"
},
"u7": {
"operates": {
"qubits": [
4,
3
]
},
"purpose": "cross-resonance",
"type": "control"
}
},
"conditional": false,
"conditional_latency": [],
"coupling_map": [
[
0,
1
],
[
1,
0
],
[
1,
2
],
[
2,
1
],
[
2,
3
],
[
3,
2
],
[
3,
4
],
[
4,
3
]
],
"coords": [
[
1,
1
],
[
1,
2
],
[
2,
1
],
[
2,
2
],
[
3,
1
]
],
"credits_required": true,
"default_rep_delay": 250,
"description": "5量子ビット装置",
"discriminators": [
"quadratic_discriminator",
"linear_discriminator",
"hw_qmfk"
],
"dt": 0.2222222222222222,
"dtm": 0.2222222222222222,
"dynamic_reprate_enabled": true,
"gates": [
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "id",
"parameters": [],
"qasm_def": "gate id q { U(0, 0, 0) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "rz",
"parameters": [
"theta"
],
"qasm_def": "gate rz(theta) q { U(0, 0, theta) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "sx",
"parameters": [],
"qasm_def": "gate sx q { U(pi/2, 3*pi/2, pi/2) q; }"
},
{
"coupling_map": [
[
0
],
[
1
],
[
2
],
[
3
],
[
4
]
],
"name": "x",
"parameters": [],
"qasm_def": "gate x q { U(pi, 0, pi) q; }"
},
{
"coupling_map": [
[
0,
1
],
[
1,
0
],
[
1,
2
],
[
2,
1
],
[
2,
3
],
[
3,
2
],
[
3,
4
],
[
4,
3
]
],
"name": "cx",
"parameters": [],
"qasm_def": "gate cx q0, q1 { CX q0, q1; }"
},
{
"coupling_map": [],
"name": "reset",
"parameters": null,
"qasm_def": null
}
],
"hamiltonian": {
"description": "キュービットはダフィング振動子としてモデル化される。 この場合、系はより高エネルギーの状態、すなわち｜0｜と｜1｜だけではない状態を含む。パウリ作用素は次のような変換によって一般化される：\n\n$(\\mathbb{I}-\\sigma_{i}^z)/2 \\rightarrow O_i \\equiv b^\\dagger_{i} b_{i}$,\n\n$\\sigma_{+} \\rightarrow b^\\dagger$,\n\n$\\sigma_{-} \\rightarrow b$,\n\n$\\sigma_{i}^X \\rightarrow b^\\dagger_{i} + b_{i}$.\n\nQubitsは共振器バスを通して結合される。 提供されたハミルトニアンは、共振器バスのゼロ励起部分空間に投影され、効果的な量子ビット-量子ビット・フリップフロップ相互作用につながる。 ハミルトニアンにおける量子ビットの共鳴周波数は、空洞のドレスされた周波数であり、バックエンドのデフォルトで返されるものとは異なります。\n\n量は角周波数で返され、単位は2 *piHz*。\n\n警告：現在、すべてのシステムのハミルトニアン情報が公開されているわけではありません。",
"h_latex": "\\begin{align} \\mathcal{H}/\\hbar = & \\sum_{i=0}^{4}\\left(\\frac{\\omega_{q,i}}{2}(\\mathbb{I}-\\sigma_i^{z})+\\frac{\\Delta_{i}}{2}(O_i^2-O_i)+\\Omega_{d,i}D_i(t)\\sigma_i^{X}\\right) \\\\ & + J_{0,1}(\\sigma_{0}^{+}\\sigma_{1}^{-}+\\sigma_{0}^{-}\\sigma_{1}^{+}) + J_{1,2}(\\sigma_{1}^{+}\\sigma_{2}^{-}+\\sigma_{1}^{-}\\sigma_{2}^{+}) + J_{2,3}(\\sigma_{2}^{+}\\sigma_{3}^{-}+\\sigma_{2}^{-}\\sigma_{3}^{+}) + J_{3,4}(\\sigma_{3}^{+}\\sigma_{4}^{-}+\\sigma_{3}^{-}\\sigma_{4}^{+}) \\\\ & + \\Omega_{d,0}(U_{0}^{(0,1)}(t))\\sigma_{0}^{X} + \\Omega_{d,1}(U_{1}^{(1,0)}(t)+U_{2}^{(1,2)}(t))\\sigma_{1}^{X} \\\\ & + \\Omega_{d,2}(U_{3}^{(2,1)}(t)+U_{4}^{(2,3)}(t))\\sigma_{2}^{X} + \\Omega_{d,3}(U_{6}^{(3,4)}(t)+U_{5}^{(3,2)}(t))\\sigma_{3}^{X} \\\\ & + \\Omega_{d,4}(U_{7}^{(4,3)}(t))\\sigma_{4}^{X} \\\\ \\end{align}",
"h_str": [
"_SUM[i,0,4,wq{i}/2*(I{i}-Z{i})]",
"_SUM[i,0,4,delta{i}/2*O{i}*O{i}]",
"_SUM[i,0,4,-delta{i}/2*O{i}]",
"_SUM[i,0,4,omegad{i}*X{i}||D{i}]",
"jq0q1*Sp0*Sm1",
"jq0q1*Sm0*Sp1",
"jq1q2*Sp1*Sm2",
"jq1q2*Sm1*Sp2",
"jq2q3*Sp2*Sm3",
"jq2q3*Sm2*Sp3",
"jq3q4*Sp3*Sm4",
"jq3q4*Sm3*Sp4",
"omegad1*X0||U0",
"omegad0*X1||U1",
"omegad2*X1||U2",
"omegad1*X2||U3",
"omegad3*X2||U4",
"omegad4*X3||U6",
"omegad2*X3||U5",
"omegad3*X4||U7"
],
"osc": {},
"qub": {
"0": 3,
"1": 3,
"2": 3,
"3": 3,
"4": 3
},
"vars": {
"delta0": -2.121376713496892,
"delta1": -2.0572320855686512,
"delta2": -2.1219857492779215,
"delta3": -2.091175183242651,
"delta4": -2.1322677360148967,
"jq0q1": 0.008401931549453526,
"jq1q2": 0.00827615700717255,
"jq2q3": 0.01043348816290951,
"jq3q4": 0.009434356217567021,
"omegad0": 1.1180899684563905,
"omegad1": 1.5965937469694844,
"omegad2": 0.9313930823895185,
"omegad3": 1.02359978967771,
"omegad4": 0.9199181427404678,
"wq0": 31.219269899115847,
"wq1": 29.97144547517013,
"wq2": 31.511197534723212,
"wq3": 33.04500189654535,
"wq4": 31.400533734888114
}
},
"local": false,
"max_experiments": 900,
"max_shots": 8192,
"meas_kernels": [
"hw_qmfk"
],
"meas_levels": [
1,
2
],
"meas_lo_range": [
[
6.923525326,
7.923525326
],
[
6.667956078,
7.667956078
],
[
6.816091357,
7.816091357
],
[
6.884056996,
7.884056996
],
[
6.747308081,
7.747308081
]
],
"meas_map": [
[
0,
1,
2,
3,
4
]
],
"measure_esp_enabled": false,
"memory": true,
"multi_meas_enabled": true,
"n_qubits": 5,
"n_registers": 1,
"n_uchannels": 8,
"online_date": "2020-03-23T04:00:00Z",
"open_pulse": true,
"parametric_pulses": [
"gaussian",
"gaussian_square",
"drag",
"constant"
],
"processor_type": {
"family": "Falcon",
"revision": 4,
"segment": "L"
},
"quantum_volume": 32,
"qubit_channel_mapping": [
[
"u0",
"d0",
"u1",
"m0"
],
[
"u1",
"m1",
"u0",
"u3",
"u2",
"d1"
],
[
"u5",
"u3",
"u2",
"m2",
"d2",
"u4"
],
[
"u5",
"u7",
"m3",
"u4",
"u6",
"d3"
],
[
"m4",
"u7",
"u6",
"d4"
]
],
"qubit_lo_range": [
[
4.468701124164304,
5.468701124164304
],
[
4.270103698982546,
5.270103698982546
],
[
4.5151628503963455,
5.5151628503963455
],
[
4.759275396316249,
5.759275396316249
],
[
4.497550159631257,
5.497550159631257
]
],
"real_qubits": false,
"rep_delay_range": [
0,
500
],
"rep_times": [
1000
],
"sample_name": "family: Falcon, revision: 4, segment: L",
"simulator": false,
"supported_instructions": [
"measure",
"u1",
"reset",
"rz",
"u3",
"x",
"acquire",
"u2",
"id",
"play",
"sx",
"shiftf",
"setf",
"delay",
"cx"
],
"u_channel_lo": [
[
{
"q": 1,
"scale": [
1,
0
]
}
],
[
{
"q": 0,
"scale": [
1,
0
]
}
],
[
{
"q": 2,
"scale": [
1,
0
]
}
],
[
{
"q": 1,
"scale": [
1,
0
]
}
],
[
{
"q": 3,
"scale": [
1,
0
]
}
],
[
{
"q": 2,
"scale": [
1,
0
]
}
],
[
{
"q": 4,
"scale": [
1,
0
]
}
],
[
{
"q": 3,
"scale": [
1,
0
]
}
]
],
"uchannels_enabled": true,
"url": "None"
}{
"title": "BackendsConfigurationResponse",
"type": "object",
"description": "バックエンド設定レスポンス",
"required": [
"backend_name",
"backend_version",
"basis_gates",
"conditional",
"coords",
"coupling_map",
"gates",
"local",
"memory",
"n_qubits",
"online_date",
"u_channel_lo"
],
"properties": {
"acquisition_latency": {
"description": "n_qubits x n_registersの次元の配列。 量子ビットnの測定結果をレジスタスロットmに書き込むまでの待ち時間（単位はdt）。",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
0,
1
],
[
1,
0
]
],
"type": "array"
},
"backend_name": {
"type": "string",
"description": "バックエンド名",
"pattern": "^[a-zA-Z0-9_]*$",
"minLength": 1,
"maxLength": 64,
"example": "ibmq_eagle"
},
"backend_version": {
"type": "string",
"description": "バックエンドのバージョン X.X.X",
"pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$",
"minLength": 5,
"maxLength": 16,
"example": "1.6.0"
},
"basis_gates": {
"description": "バックエンドの基礎ゲート名のリスト",
"minItems": 1,
"maxItems": 64,
"example": [
"u1",
"cx",
"h"
],
"items": {
"type": "string"
},
"type": "array"
},
"clops": {
"description": "回路層演算回数毎秒 (CLOPS) QPUが1秒間に実行できるハードウェア対応 100x100 回路の層数を示す指標。",
"allOf": [
{
"type": "object",
"properties": {
"type": {
"type": "string",
"example": "virtual",
"enum": [
"virtual",
"hardware"
]
},
"value": {
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": 100
}
},
"required": [
"type",
"value"
]
}
]
},
"clops_h": {
"description": "ハードウェア回路層演算回数毎秒 (CLOPS\\_h)。 QPUがハードウェア上で1秒間に実行できる回路層の数を測定します。",
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": 4500
},
"clops_v": {
"description": "仮想CLOPS — 利用不可の場合、数値または説明的な文字列となる可能性があります。",
"oneOf": [
{
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
},
{
"type": "string",
"pattern": "^.*$"
}
],
"example": "None"
},
"mcps": {
"description": "1秒あたりの最大回路数（MCPS）。 ハダマール演算と単一測定を行う回路が実行できる最大レート。",
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"example": 4500
},
"conditional": {
"type": "boolean",
"description": "バックエンドが条件付き操作をサポート（true/false）",
"default": false,
"example": true
},
"conditional_latency": {
"description": "Array of dimension n_channels [d->u->m] x n_registers. レジスタ・スロットmからチャネルnに対して条件演算を行うまでの待ち時間（dt単位",
"items": {
"type": "array"
},
"example": [
[
0,
1.2
],
[
0.5,
0.8
]
],
"type": "array"
},
"configurable": {
"type": "boolean",
"description": "バックエンドがシミュレータの場合、バックエンドを設定可能（true/false）",
"default": false,
"example": true
},
"coupling_map": {
"type": "array",
"description": "バックエンドで物理的に結合された量子ビットをグループ化したアレイ",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 2,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"example": [
[
0,
1
],
[
1,
2
]
]
},
"coords": {
"type": "array",
"description": "QPUトポロジー上の各量子ビットの位置を表す、 [i, j] グリッド座標の配列。 このインデックスは、量子ビットのインデックスに対応しています。 例：[ [1,1], [1,2], [2,1], [2,2] ] の場合、 Q0 は行 1 列 1、 Q1 は行 1 列 2、 Q2 は行 2 列 1、 Q3 は行 2 列 2 に配置されます。",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 2,
"maxItems": 2,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"example": [
[
1,
1
],
[
1,
2
],
[
2,
1
],
[
2,
2
]
]
},
"credits_required": {
"type": "boolean",
"description": "バックエンドはジョブの実行にクレジットを要求する（true/false）",
"default": false,
"example": true
},
"description": {
"type": "string",
"description": "バックエンドの説明",
"pattern": "^.*$",
"minLength": 1,
"maxLength": 64,
"example": "This backend supports 5 qubits and OpenPulse."
},
"display_name": {
"type": "string",
"description": "バックエンドの別名フィールド",
"pattern": "^[a-zA-Z0-9]*$",
"minLength": 1,
"maxLength": 64,
"example": "EagleBackend"
},
"discriminators": {
"description": "利用可能な識別器",
"minItems": 1,
"maxItems": 64,
"example": [
"disc1",
"disc2"
],
"type": "array",
"items": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"pattern": "^[a-zA-Z0-9]*$"
}
},
"dt": {
"type": "integer",
"format": "int32",
"description": "ドライブチャンネルとUチャンネルの時間離散化",
"minimum": 0,
"maximum": 2147483647,
"example": 1
},
"dtm": {
"type": "integer",
"format": "int32",
"description": "測定チャンネルの時間離散化",
"minimum": 0,
"maximum": 2147483647,
"example": 1
},
"default_rep_delay": {
"type": "integer",
"format": "int32",
"description": "デフォルトのレップディレイ。",
"minimum": 0,
"maximum": 2147483647,
"example": 3
},
"dynamic_reprate_enabled": {
"type": "boolean",
"description": "プログラム間の遅延を'rep\\_delay'を使用して動的に設定できるかどうか。",
"default": false,
"example": true
},
"gates": {
"description": "バックエンドの基礎ゲートのリスト",
"minItems": 1,
"maxItems": 64,
"type": "array",
"items": {
"type": "object",
"description": "ゲートの定義",
"required": [
"name",
"parameters",
"qasm_def"
],
"properties": {
"name": {
"type": "string",
"description": "QASMで呼ばれるゲート名",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
},
"parameters": {
"type": "array",
"description": "ゲートパラメータの変数名（もしあれば）",
"minItems": 0,
"maxItems": 1024,
"items": {
"type": "string",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
}
},
"coupling_map": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647
}
},
"description": "このゲートによって結合される量子ビットグループのリスト"
},
"qasm_def": {
"type": "string",
"description": "QASMプリミティブUとCXによるこのゲートの定義",
"pattern": "^.*$",
"minLength": 1,
"maxLength": 1024
},
"conditional": {
"type": "boolean",
"description": "この指定されたゲートは、条件操作（真／偽）をサポートする。 これが指定されない場合、ゲートはバックエンドの条件プロパティを継承する。",
"default": false
},
"latency_map": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 1
}
},
"description": "ゲート上のレジスタレイテンシ条件操作を指定する、len(coupling_map) X n_registersの次元の配列"
},
"description": {
"type": "string",
"description": "ゲート操作の説明",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9\\s]*$"
}
}
}
},
"hamiltonian": {
"description": "バックエンドのハミルトニアン",
"deprecated": true,
"allOf": [
{
"type": "object",
"description": "バックエンドのハミルトニアン",
"properties": {
"h_latex": {
"type": "string",
"description": "ラテックス形式のハミルトニアン",
"minLength": 1,
"maxLength": 4096,
"pattern": "^.*$"
},
"h_str": {
"type": "array",
"description": "機械可読形式のハミルトニアン",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "string",
"minLength": 1,
"maxLength": 1024,
"pattern": "^.*$"
},
"example": [
"\"0.5 * X0 Y1\"",
"\"1.0 * Z0\""
]
},
"vars": {
"type": "object",
"description": "h_strの変数"
},
"osc": {
"type": "object",
"description": "各発振モードのレベル数"
}
},
"required": [
"h_latex"
]
}
]
},
"local": {
"type": "boolean",
"description": "バックエンドがローカルかリモートか（true/false）",
"example": true
},
"max_experiments": {
"type": "integer",
"format": "int64",
"description": "サポートされる最大実験数",
"minimum": 1,
"maximum": 9007199254740991,
"example": 10
},
"max_shots": {
"type": "integer",
"format": "int64",
"description": "最大撮影可能枚数",
"minimum": 1,
"maximum": 9007199254740991,
"example": 1024
},
"meas_levels": {
"description": "バックエンドで利用可能な測定レベル",
"minItems": 1,
"maxItems": 3,
"items": {
"type": "array"
},
"example": [
1,
2
],
"type": "array"
},
"meas_lo_range": {
"description": "測定LOの周波数範囲",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"type": "array"
},
"meas_map": {
"description": "多重化された測定のグループ化",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
0,
1
],
[
2,
3
]
],
"type": "array"
},
"measure_esp_enabled": {
"type": "boolean",
"description": "バックエンドがESP読み出しをサポートしているかどうか。",
"default": false,
"example": true
},
"memory": {
"type": "boolean",
"description": "バックエンドがメモリをサポート（true/false）",
"default": false,
"example": true
},
"n_qubits": {
"type": "integer",
"format": "int32",
"description": "量子ビット数",
"minimum": 1,
"maximum": 2147483647,
"default": 1,
"example": 5
},
"n_registers": {
"type": "number",
"description": "フィードバックに利用可能なレジスタ・スロット数（条件付きがtrueの場合）",
"minimum": 1,
"maximum": 2147483647,
"default": 1,
"example": 1
},
"n_uchannels": {
"type": "number",
"description": "追加制御チャンネル数",
"minimum": 0,
"maximum": 9007199254740991,
"example": 2
},
"online_date": {
"type": "string",
"description": "バックエンドのオンライン化日",
"format": "date-time",
"minLength": 24,
"maxLength": 24,
"example": "2025-11-12T15:30:00.000Z"
},
"open_pulse": {
"type": "boolean",
"description": "存在する場合、open\\_pulse = false スキーマが適用される",
"example": true
},
"parametric_pulses": {
"description": "利用可能なパラメトリック・パルス形状のリスト",
"minItems": 0,
"maxItems": 1024,
"items": {
"type": "array"
},
"example": [
"Gaussian",
"Square"
],
"type": "array"
},
"processor_type": {
"description": "デバイスのプロセッサの種類",
"allOf": [
{
"type": "object",
"description": "このバックエンドのプロセッサタイプ",
"required": [
"family",
"revision"
],
"properties": {
"family": {
"type": "string",
"description": "プロセッサー・ファミリーは量子チップ・アーキテクチャを示す",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
},
"revision": {
"type": "string",
"description": "リビジョン番号は、特定のプロセッサー・ファミリー内の設計バリエーションを反映します。 通常、パッチの値を除いたセマンティック・バージョニングの値で、例えば\" 1.0 \"のようなものです。",
"minLength": 1,
"maxLength": 64,
"pattern": "^[0-9]+.[0-9]+$"
},
"segment": {
"type": "string",
"description": "セグメントは、量子ビットファブリック/チップの異なるサブセットを区別するために使用される",
"minLength": 1,
"maxLength": 64,
"pattern": "^[a-zA-Z0-9]*$"
}
}
}
]
},
"quantum_volume": {
"type": "number",
"description": "バックエンドの量子ボリューム",
"minimum": 1,
"maximum": 9007199254740991,
"example": 32
},
"qubit_lo_range": {
"description": "量子ビットLOの周波数範囲",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
4500000000,
5000000000
],
[
5100000000,
5600000000
]
],
"type": "array"
},
"register_map": {
"description": "n個の量子ビット×n個のレジスタの配列で、記憶容量を示す",
"minItems": 1,
"maxItems": 2147483647,
"items": {
"type": "array"
},
"example": [
[
1,
0
],
[
0,
1
]
],
"type": "array"
},
"rep_delay_range": {
"description": "バックエンドが許容するプログラム間の遅延時間（マイクロ秒）の範囲。",
"minItems": 2,
"maxItems": 2,
"example": [
100,
1000
],
"type": "array",
"items": {
"type": "number"
}
},
"rep_times": {
"description": "バックエンドがサポートするプログラム実行時間（マイクロ秒）。",
"minItems": 1,
"maxItems": 64,
"items": {
"type": "number"
},
"example": [
100,
200,
500
],
"type": "array"
},
"sample_name": {
"type": "string",
"description": "サンプル名",
"pattern": "^[a-zA-Z0-9,:\\s]*$",
"minLength": 1,
"maxLength": 64,
"example": "Sample_01:Test"
},
"simulator": {
"type": "boolean",
"description": "バックエンドはシミュレーター（true/false）",
"default": false,
"example": true
},
"supported_features": {
"description": "バックエンドがサポートする機能の配列、例えば qasm3",
"minItems": 0,
"maxItems": 64,
"example": [
"qasm3"
],
"type": "array",
"items": {
"type": "string"
}
},
"supported_instructions": {
"description": "バックエンドがサポートする指示。",
"minItems": 0,
"maxItems": 64,
"example": [
"u1",
"cx",
"measure"
],
"type": "array",
"items": {
"type": "string"
}
},
"tags": {
"description": "バックエンド用タグ",
"uniqueItems": true,
"minItems": 1,
"maxItems": 64,
"example": [
"credits_required",
"simulator"
],
"type": "array",
"items": {
"type": "string"
}
},
"timing_constraints": {
"description": "バックエンドのタイミング制約",
"allOf": [
{
"type": "object",
"description": "このバックエンドのタイミング制約",
"properties": {
"granularity": {
"type": "integer",
"format": "int64",
"description": "波形メモリのデータチャンクサイズ",
"maximum": 9007199254740991,
"minimum": 0
},
"min_length": {
"type": "integer",
"format": "int64",
"description": "パルスを定義するのに必要な最小サンプル数",
"maximum": 9007199254740991,
"minimum": 0
},
"pulse_alignment": {
"type": "integer",
"format": "int64",
"description": "パルスチャンネルの指示トリガ時間分解能（dt単位",
"maximum": 9007199254740991,
"minimum": 0
},
"acquire_alignment": {
"type": "integer",
"format": "int64",
"description": "捕捉チャンネルのトリガ時間分解能をdt単位で示す命令",
"maximum": 9007199254740991,
"minimum": 0
}
}
}
]
},
"u_channel_lo": {
"type": "array",
"items": {
"minItems": 1,
"maxItems": 2147483647,
"description": "量子ビットLOにおけるUチャネルLOの関係",
"type": "array",
"items": {
"type": "object",
"description": "シングルUチャンネルLOを量子ビットLOの観点から説明する",
"properties": {
"q": {
"type": "integer",
"format": "int32",
"minimum": 1,
"maximum": 2147483647,
"description": "量子ビット数"
},
"scale": {
"type": "object",
"properties": {
"number": {
"minItems": 2,
"maxItems": 2,
"items": {
"type": "array"
},
"type": "array"
}
},
"required": [
"number"
]
}
},
"required": [
"q",
"scale"
]
}
}
}
}
}バックエンドのデフォルト設定を取得する
指定したバックエンドのデフォルト値を返します。 シミュレータのバックエンドはこれをサポートしていないかもしれない。
許可
このメソッドを呼び出すには、以下のアクションを含む1つ以上のIAMアクセス・ロールが割り当てられている必要があります。 アクセス状況を確認するには、次に移動してください。 Users > User > Access
quantum-computing.device.read
監査
このメソッドを呼び出すと、以下の監査イベントが生成されます。
quantum-computing.device.read
入力
名前、タイプ | 説明 |
|---|---|
id 必須 string | 利用可能なバックエンドの識別子 |
コード・サンプル
GET
/v1/backends/{id}/defaults インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/defaults
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/defaults' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/defaults
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/defaults",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())出力
状況コード | 説明 |
|---|---|
| 200 | 終了 |
応答
{
"buffer": 0,
"cmd_def": [
{
"name": "cx",
"qubits": [
0,
1
],
"sequence": [
{
"ch": "d0",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "d0",
"label": "Ym_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-3.1140747235331546e-17,
-0.16952233224585217
],
"beta": -0.5674696838555093,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d0",
"label": "Xp_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.16952233224585217,
0
],
"beta": -0.5674696838555093,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 720
},
{
"ch": "d1",
"label": "X90p_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.059382748314504706,
0.0024457355228724932
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d1",
"label": "CR90p_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.04032804952407305,
0.002308863263836048
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d1",
"label": "CR90m_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.04032804952407305,
-0.0023088632638360433
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 880
},
{
"ch": "u0",
"label": "CR90p_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.16404838638752248,
0.447984379626925
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u0",
"label": "CR90m_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.16404838638752242,
-0.447984379626925
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 880
},
{
"ch": "u1",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
}
]
},
{
"name": "cx",
"qubits": [
1,
0
],
"sequence": [
{
"ch": "d0",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "d0",
"label": "X90p_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.08517070544657084,
0.001315475138119147
],
"beta": -0.7390638896391939,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d0",
"label": "Xp_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.16952233224585217,
0
],
"beta": -0.5674696838555093,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 720
},
{
"ch": "d0",
"label": "Y90m_d0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.0013154751381191001,
-0.08517070544657084
],
"beta": -0.7390638896391939,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 1440
},
{
"ch": "d1",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "d1",
"label": "Y90p_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.002445735522872487,
0.059382748314504706
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d1",
"label": "CR90p_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.04032804952407305,
0.002308863263836048
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d1",
"label": "CR90m_d1_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.04032804952407305,
-0.0023088632638360433
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 880
},
{
"ch": "d1",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1440
},
{
"ch": "d1",
"label": "X90p_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.059382748314504706,
0.0024457355228724932
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 1440
},
{
"ch": "u0",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u0",
"label": "CR90p_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.16404838638752248,
0.447984379626925
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u0",
"label": "CR90m_u0",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.16404838638752242,
-0.447984379626925
],
"duration": 560,
"sigma": 64,
"width": 304
},
"pulse_shape": "gaussian_square",
"t0": 880
},
{
"ch": "u0",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1440
},
{
"ch": "u1",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "u3",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u3",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1440
}
]
},
{
"name": "cx",
"qubits": [
1,
2
],
"sequence": [
{
"ch": "d1",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "d1",
"label": "Ym_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
-2.180777454747743e-17,
-0.1187159952984586
],
"beta": -1.0471056504145406,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d1",
"label": "Xp_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.1187159952984586,
0
],
"beta": -1.0471056504145406,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 2496
},
{
"ch": "d2",
"label": "X90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.10198650862634871,
0.0013394683261926034
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d2",
"label": "CR90p_d2_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.013873453640614737,
0.0014386033517831067
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d2",
"label": "CR90m_d2_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.013873453640614737,
-0.001438603351783105
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 2656
},
{
"ch": "u0",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "u2",
"label": "CR90p_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.08815065228735922,
-0.1970686366802925
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u2",
"label": "CR90m_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.08815065228735924,
0.1970686366802925
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 2656
},
{
"ch": "u3",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
}
]
},
{
"name": "cx",
"qubits": [
2,
1
],
"sequence": [
{
"ch": "d1",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "d1",
"label": "X90p_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.059382748314504706,
0.0024457355228724932
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d1",
"label": "Xp_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.1187159952984586,
0
],
"beta": -1.0471056504145406,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 2496
},
{
"ch": "d1",
"label": "Y90m_d1",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.0024457355228724932,
-0.059382748314504706
],
"beta": -1.237863708498682,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 4992
},
{
"ch": "d2",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "d2",
"label": "Y90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.0013394683261925924,
0.10198650862634871
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d2",
"label": "CR90p_d2_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.013873453640614737,
0.0014386033517831067
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d2",
"label": "CR90m_d2_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.013873453640614737,
-0.001438603351783105
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 2656
},
{
"ch": "d2",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 4992
},
{
"ch": "d2",
"label": "X90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.10198650862634871,
0.0013394683261926034
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 4992
},
{
"ch": "u0",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "u2",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u2",
"label": "CR90p_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.08815065228735922,
-0.1970686366802925
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u2",
"label": "CR90m_u2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.08815065228735924,
0.1970686366802925
],
"duration": 2336,
"sigma": 64,
"width": 2080
},
"pulse_shape": "gaussian_square",
"t0": 2656
},
{
"ch": "u2",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 4992
},
{
"ch": "u3",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "u5",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u5",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 4992
}
]
},
{
"name": "cx",
"qubits": [
2,
3
],
"sequence": [
{
"ch": "d2",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "d2",
"label": "Y90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.0013394683261925924,
0.10198650862634871
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d2",
"label": "CR90p_d2_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.06276974408273035,
0.0014224518263545513
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d2",
"label": "CR90m_d2_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.06276974408273035,
-0.0014224518263545437
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 928
},
{
"ch": "d2",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1536
},
{
"ch": "d2",
"label": "X90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.10198650862634871,
0.0013394683261926034
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 1536
},
{
"ch": "d3",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "d3",
"label": "X90p_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.09228885314852181,
0.0014025742426091116
],
"beta": -1.7711144727110373,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d3",
"label": "Xp_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.18517121372479672,
0
],
"beta": -1.4562294009889265,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 768
},
{
"ch": "d3",
"label": "Y90m_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.0014025742426090819,
-0.09228885314852181
],
"beta": -1.7711144727110373,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 1536
},
{
"ch": "u2",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u2",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1536
},
{
"ch": "u4",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
},
{
"ch": "u5",
"name": "fc",
"phase": -3.141592653589793,
"t0": 0
},
{
"ch": "u5",
"label": "CR90p_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.23873583834386253,
-0.1601498890635595
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u5",
"label": "CR90m_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.2387358383438625,
0.16014988906355954
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 928
},
{
"ch": "u5",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 1536
},
{
"ch": "u7",
"name": "fc",
"phase": -1.5707963267948966,
"t0": 0
}
]
},
{
"name": "cx",
"qubits": [
3,
2
],
"sequence": [
{
"ch": "d2",
"label": "X90p_d2",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.10198650862634871,
0.0013394683261926034
],
"beta": -1.2964438429020329,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d2",
"label": "CR90p_d2_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.06276974408273035,
0.0014224518263545513
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "d2",
"label": "CR90m_d2_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.06276974408273035,
-0.0014224518263545437
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 928
},
{
"ch": "d3",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "d3",
"label": "Ym_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
-3.401540012734541e-17,
-0.18517121372479672
],
"beta": -1.4562294009889265,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 0
},
{
"ch": "d3",
"label": "Xp_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.18517121372479672,
0
],
"beta": -1.4562294009889265,
"duration": 160,
"sigma": 40
},
"pulse_shape": "drag",
"t0": 768
},
{
"ch": "u4",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "u5",
"label": "CR90p_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
0.23873583834386253,
-0.1601498890635595
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 160
},
{
"ch": "u5",
"label": "CR90m_u5",
"name": "parametric_pulse",
"parameters": {
"amp": [
-0.2387358383438625,
0.16014988906355954
],
"duration": 608,
"sigma": 64,
"width": 352
},
"pulse_shape": "gaussian_square",
"t0": 928
},
{
"ch": "u7",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
}
]
},
{
"name": "cx",
"qubits": [
3,
4
],
"sequence": [
{
"ch": "d3",
"name": "fc",
"phase": 1.5707963267948966,
"t0": 0
},
{
"ch": "d3",
"label": "Ym_d3",
"name": "parametric_pulse",
"parameters": {
"amp": [
-3.401540012734541e-17,
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],
"qubit_freq_est": [
4.968701124164304,
4.770103698982546,
5.0151628503963455,
5.259275396316249,
4.997550159631257
]
}{
"title": "BackendsDefaultsResponse",
"type": "object",
"description": "バックエンドのデフォルト・レスポンス",
"additionalProperties": true
}バックエンドのプロパティを取得する
指定したバックエンドのプロパティを返します。 シミュレータのバックエンドはこれをサポートしていないかもしれない。
許可
このメソッドを呼び出すには、以下のアクションを含む1つ以上のIAMアクセス・ロールが割り当てられている必要があります。 アクセス状況を確認するには、次に移動してください。 Users > User > Access
quantum-computing.device.read
監査
このメソッドを呼び出すと、以下の監査イベントが生成されます。
quantum-computing.device.read
入力
名前、タイプ | 説明 |
|---|---|
id 必須 string | 利用可能なバックエンドの識別子 |
名前、タイプ | 説明 |
|---|---|
updated_before string | 指定された時間より前に最終更新日時を持つプロパティを返す。 |
calibration_id string | 与えられたキャリブレーションIDに関連するプロパティを返します。 |
コード・サンプル
GET
/v1/backends/{id}/properties インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/properties
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/properties' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/properties
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/properties",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())出力
状況コード | 説明 |
|---|---|
| 200 | 終了 |
応答
{
"backend_name": "test_rome",
"backend_version": "1.3.24",
"gates": [
{
"gate": "id",
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"maxLength": 64
},
"value": {
"type": "number",
"description": "パラメーターの値"
}
},
"required": [
"date",
"name",
"unit",
"value"
]
}
},
"qubits": {
"description": "これらのパラメータの量子ビット",
"minItems": 1,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"gate",
"parameters",
"qubits"
]
}
},
"general": {
"description": "一般的なシステム・パラメーター",
"minItems": 0,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "string"
}
},
"last_update_date": {
"format": "date-time",
"type": "string",
"description": "プロパティが最後に更新された日時。",
"minLength": 20,
"maxLength": 20
},
"qubits": {
"type": "array",
"items": {
"description": "システム量子ビット・パラメータ",
"minItems": 1,
"maxItems": 2147483647,
"type": "array",
"items": {
"type": "object",
"properties": {
"date": {
"format": "date-time",
"type": "string",
"description": "パラメータの日付",
"minLength": 24,
"maxLength": 24
},
"name": {
"type": "string",
"description": "パラメーターの名前",
"minLength": 1,
"maxLength": 64
},
"unit": {
"type": "string",
"description": "パラメータの単位",
"minLength": 0,
"maxLength": 64
},
"value": {
"type": "number",
"description": "パラメーターの値"
}
},
"required": [
"date",
"name",
"unit",
"value"
]
}
}
}
},
"required": [
"backend_name",
"backend_version",
"gates",
"general",
"last_update_date",
"qubits"
]
}バックエンドのステータスを取得する
指定したバックエンド ID のステータスを返します。
許可
このメソッドを呼び出すには、以下のアクションを含む1つ以上のIAMアクセス・ロールが割り当てられている必要があります。 アクセス状況を確認するには、次に移動してください。 Users > User > Access
quantum-computing.device.read
監査
このメソッドを呼び出すと、以下の監査イベントが生成されます。
quantum-computing.device.read
入力
名前、タイプ | 説明 |
|---|---|
id 必須 string | 利用可能なバックエンドの識別子 |
コード・サンプル
GET
/v1/backends/{id}/status インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/status
curl -X GET \
'https://quantum.cloud.ibm.com/api/v1/backends/{id}/status' \
-H 'Accept: application/json' \
-H 'Authorization: Bearer YOUR-TOKEN' \
-H 'Service-CRN: YOUR-SERVICE-CRN' \
-H 'IBM-API-Version: 2026-04-15' インスタンスが eu-de リージョンにある場合は、代わりにこちらの URL をご利用ください: https://eu-de.quantum.cloud.ibm.com/api/v1/backends/{id}/status
import requests
response = requests.request(
"GET",
"https://quantum.cloud.ibm.com/api/v1/backends/{id}/status",
headers={
"Accept": "application/json",
"IBM-API-Version": "2026-04-15",
"Authorization": "Bearer YOUR-TOKEN",
"Service-CRN": "YOUR-SERVICE-CRN"
},
)
print(response.json())出力
状況コード | 説明 |
|---|---|
| 200 | 終了 |
応答
{
"state": true,
"status": "active",
"message": "available",
"length_queue": 14,
"backend_version": "1.3.24"
}{
"title": "BackendStatusResponse",
"type": "object",
"description": "バックエンド・ステータス・レスポンス",
"additionalProperties": false,
"required": [
"length_queue"
],
"properties": {
"state": {
"type": "boolean",
"description": "バックエンドの状態"
},
"status": {
"type": "string",
"description": "バックエンドの状況"
},
"message": {
"type": "string",
"description": "バックエンドの状態の説明"
},
"length_queue": {
"type": "integer",
"format": "int32",
"minimum": 0,
"maximum": 2147483647,
"description": "バックエンドのキューの長さ"
},
"backend_version": {
"type": "string",
"description": "バックエンドバージョン"
}
}
}このページは役に立ちましたか？
バグや誤字の報告、またはコンテンツの要求はGitHubで行ってください。