Quantum circuit
A quantum circuit is an ordered arrangement of quantum gates, measurements, and related operations that specifies a computation on qubits.
Building Quantum Software with Python
A quantum circuit is an ordered representation of quantum gates, measurements, and related operations applied to qubits.
- How it is used
- Uses ordered gate operations to model quantum computations, prepare states, encode data, and implement reusable algorithms.
- How deep it goes
- Explains visual diagrams, Python construction, registers, controlled operations, composition, and unitary amplitude transformations.
- Examples
- Demonstrates single-qubit gate sequences, uniform distributions, reusable circuit composition, amplitude amplification, and knapsack register encoding.
- What you can do after
- Builds circuits in Python, visualizes their gate order, composes reusable blocks, simulates states, and prepares algorithmic inputs.
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Quantum Programming in Depth
A quantum circuit is a representation of a quantum computation as an ordered sequence of quantum gates and measurements.
- How it is used
- Uses ordered gate-and-measurement sequences to implement, execute, compose, and test quantum computations.
- How deep it goes
- Explains construction, qubit ordering, simulation, composition, and testing, but does not detail hardware execution.
- Examples
- Uses single-qubit rotations, state reconstruction, Boolean gates, and conjunctive-normal-form expression evaluation.
- What you can do after
- Builds and tests executable circuits in Qiskit, then inspects measurements or simulated state information.
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Related concepts
- quantum operationuses · A quantum operation is a physical or computational transformation acting on a quantum state, including unitary evolution and measurement.
- quantum oracleincludes · A quantum oracle is a problem-specific quantum subroutine that recognizes or marks computational-basis states satisfying a specified condition.
- quantum gatehas part · A quantum gate is an operation that transforms the state of one or more qubits, typically represented by a unitary transformation.
- Qiskitused by · Qiskit is an open-source software development kit for constructing, simulating, compiling, and executing quantum circuits.
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