circuits / grovers-search-2q

Grover's Search (2 qubit)

✓FEATURED

Grover's algorithm on 2 qubits searching for |11⟩. Achieves quadratic speedup over classical search.

quantumcomputer.dev
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1OPENQASM 2.0;
2include "qelib1.inc";
3qreg q[2];
4creg c[2];
5// Init
6h q[0]; h q[1];
7// Oracle for |11>
8cz q[0],q[1];
9// Diffuser
10h q[0]; h q[1];
11z q[0]; z q[1];
12cz q[0],q[1];
13h q[0]; h q[1];
14measure q -> c;

Cite this circuit

MIT
quantumcomputer.dev. "Grover's Search (2 qubit)". quantumcomputer.dev/circuits/grovers-search-2q. 2026.