Circuit Gallery

Explore, share, and learn from quantum circuits

Bell State

Author: SwiftQuantum (built-in)

Beginner

Create an entangled Bell pair

2 qubits2 gates

GHZ State

Author: SwiftQuantum (built-in)

Beginner

Greenberger-Horne-Zeilinger state

3 qubits3 gates

Quantum Teleportation

Author: SwiftQuantum (built-in)

Intermediate

Teleport an Ry(1.1) state from q0 to q2 (deferred-measurement form)

3 qubits7 gates

Grover Search (N=4)

Author: SwiftQuantum (built-in)

Intermediate

One Grover iteration finds the marked item |11> with certainty

2 qubits12 gates

Deutsch-Jozsa (n=2)

Author: SwiftQuantum (built-in)

Advanced

Decides that f(x)=x0 xor x1 is balanced with one query

3 qubits8 gates
Weekly Challenge

Find the Bug in This Circuit

A quantum teleportation circuit has a subtle error. Can you identify and fix it before the deadline?

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Research Circuit Templates

Curated circuits from quantum research

Variational Quantum Eigensolver

Find ground state energies of molecular Hamiltonians

4 qubits|11 gates

Quantum Approximate Optimization

Solve combinatorial optimization problems

6 qubits|30 gates

Surface Code Distance 3

Topological error correction with d=3

17 qubits|32 gates