building

This guide covers circuit construction in Cirq, including qubits, gates, operations, and circuit patterns.

Skills
Scientific
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Install (Claude Code)

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Content

# Building Quantum Circuits

This guide covers circuit construction in Cirq, including qubits, gates, operations, and circuit patterns.

## Basic Circuit Construction

### Creating Circuits

```python
import cirq

# Create a circuit
circuit = cirq.Circuit()

# Create qubits
q0 = cirq.GridQubit(0, 0)
q1 = cirq.GridQubit(0, 1)
q2 = cirq.LineQubit(0)

# Add gates to circuit
circuit.append([
    cirq.H(q0),
    cirq.CNOT(q0, q1),
    cirq.measure(q0, q1, key='result')
])
```

### Qubit Types

**GridQubit**: 2D grid topology for hardware-like layouts
```python
qubits = cirq.GridQubit.square(2)  # 2

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