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qdk

The Quantum Development Kit (QDK) provides a single, cohesive Python entry point for compiling, simulating, and estimating resources for quantum programs (Q# and OpenQASM), with optional extras for visualization, cloud workflows, and interoperability with Qiskit and Cirq.

Install

To install the core functionality, which include Q# & OpenQASM simulation, compilation, and resource estimation support:

pip install qdk

To include the Jupyter extra, which adds visualizations using Jupyter Widgets in the qdk.widgets submodule and syntax highlighting for Jupyter notebooks in the browser:

pip install "qdk[jupyter]"

To add the Azure Quantum extra, which includes functionality for working with the Azure Quantum service in the qdk.azure submodule:

pip install "qdk[azure]"

For Qiskit integration, which exposes Qiskit interop utilities in the qdk.qiskit submodule:

pip install "qdk[qiskit]"

For Cirq integration, which exposes Cirq interop utilities in the qdk.cirq submodule:

pip install "qdk[cirq]"

To easily install all the above extras:

pip install "qdk[all]"

Quick Start

from qdk import qsharp

result = qsharp.run("{ use q = Qubit(); H(q); return MResetZ(q); }", shots=100)
print(result)

To use widgets (installed via qdk[jupyter] extra):

from qdk.qsharp import eval, run
from qdk.widgets import Histogram

eval("""
operation BellPair() : Result[] {
    use qs = Qubit[2];
    H(qs[0]);CX(qs[0], qs[1]);
    MResetEachZ(qs)
}
""")
results = run("BellPair()", shots=1000, noise=(0.005, 0.0, 0.0))
Histogram(results)

Public API Surface

Submodules:

  • qdk.qsharp – Q# interpreter functions: init, eval, run, compile, circuit, estimate, dump_machine, dump_circuit, dump_operation, and related types.
  • qdk.openqasm – OpenQASM compilation and execution.
  • qdk.estimator – resource estimation utilities.
  • qdk.simulation – noise-aware simulation utilities: NeutralAtomDevice, NoiseConfig, run_qir, DensityMatrixSimulator, StateVectorSimulator, and related types.
  • qdk.code – dynamic namespace populated at runtime with user-defined Q# and OpenQASM callables.
  • qdk.qre – quantum resource estimation v3: estimate, Application, Architecture, ISA, ISATransform, and related types.
  • qdk.applications – domain-specific quantum applications (e.g. qdk.applications.magnets).
  • qdk.widgets – Jupyter widgets for visualization (requires the qdk[jupyter] extra).
  • qdk.azure – Azure Quantum service integration (requires the qdk[azure] extra).
  • qdk.qiskit – Qiskit interop: QSharpBackend, NeutralAtomBackend, and related types (requires the qdk[qiskit] extra).
  • qdk.cirq – Cirq interop: NeutralAtomSampler (requires the qdk[cirq] extra).

Top level exports

For convenience, the following helpers and types are also importable directly from the qdk root (e.g. from qdk import code, Result). Algorithm execution APIs (like run / estimate) remain under qdk.qsharp or qdk.openqasm.

Symbol Type Origin Description
code module qdk.code Exposes operations defined in Q# or OpenQASM
init function qdk.qsharp.init Initialize/configure the QDK interpreter (target profile, options).
set_quantum_seed function qdk.qsharp.set_quantum_seed Deterministic seed for quantum randomness (simulators).
set_classical_seed function qdk.qsharp.set_classical_seed Deterministic seed for classical host RNG.
dump_machine function qdk.qsharp.dump_machine Emit a structured dump of full quantum state (simulator dependent).
Result class qdk.qsharp.Result Measurement result token.
TargetProfile class qdk.qsharp.TargetProfile Target capability / profile descriptor.
StateDump class qdk.qsharp.StateDump Structured state dump object.
ShotResult class qdk.qsharp.ShotResult Multi-shot execution results container.
PauliNoise class qdk.qsharp.PauliNoise Pauli channel noise model spec.
DepolarizingNoise class qdk.qsharp.DepolarizingNoise Depolarizing noise model spec.
BitFlipNoise class qdk.qsharp.BitFlipNoise Bit-flip noise model spec.
PhaseFlipNoise class qdk.qsharp.PhaseFlipNoise Phase-flip noise model spec.
Context class qdk.Context Isolated Q# and OpenQASM interpreter context for independent sessions.

Configuration Map

You can provide configuration at initialization time as a Python dictionary.

In Python, pass qdk_config: dict[str, int | float | str | bool] to Context(...). If qdk_config is omitted, the configuration map is empty. The map is immutable after initialization. To use different configuration values, create a new Context.

In Q#, read values with Std.Core.ConfigValue(name, defaultValue). In Q# code, config values are immutable: in the same program, repeated calls with the same (name, defaultValue) produce the same result.

Supported types: int, float, str, and bool (corresponding to Int, Double, String and Bool in Q#). The type of each value in qdk_config must match the type of its corresponding default value.

Example:

import qdk
context = qdk.Context(qdk_config={"experiment_name": "baseline", "shots": 1000})
assert context.eval('Std.Core.ConfigValue("experiment_name", "")') == "baseline"
assert context.eval('Std.Core.ConfigValue("shots", 100)') == 1000
assert context.eval('Std.Core.ConfigValue("noise_level", 0.01)') == 0.01

Telemetry

This library sends telemetry. Minimal anonymous data is collected to help measure feature usage and performance. All telemetry events can be seen in the source file telemetry_events.py.

To disable sending telemetry from this package, set the environment variable QDK_PYTHON_TELEMETRY=none

Support

For more information about the Microsoft Quantum Development Kit, visit https://aka.ms/qdk.

Contributing

Q# welcomes your contributions! Visit the Q# GitHub repository at [https://github.com/microsoft/qdk] to find out more about the project.

Release files for qdk 1.31.3.dev0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Built distributions (wheels)

Table of built distributions (wheels) for qdk 1.31.3.dev0
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qdk-1.31.3.dev0-cp310-abi3-win_arm64.whl CPython 3.10 abi3 Windows ARM64 Details
qdk-1.31.3.dev0-cp310-abi3-win_amd64.whl CPython 3.10 abi3 Windows x86-64 Details
qdk-1.31.3.dev0-cp310-abi3-manylinux_2_35_x86_64.whl CPython 3.10 abi3 Linux glibc 2.35+ x86-64 Details
qdk-1.31.3.dev0-cp310-abi3-manylinux_2_35_aarch64.whl CPython 3.10 abi3 Linux glibc 2.35+ ARM64 Details
qdk-1.31.3.dev0-cp310-abi3-macosx_11_0_arm64.whl CPython 3.10 abi3 macOS 11.0+ ARM64 Details
qdk-1.31.3.dev0-cp310-abi3-macosx_10_12_x86_64.whl CPython 3.10 abi3 macOS 10.12+ x86-64 Details

Total release size: 43.3 MB

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