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superdense with cirq

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Daniel Tsvetkov 2019-12-04 17:38:48 +01:00
parent e912506375
commit 5f63a19532
1 changed files with 19 additions and 5 deletions
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24
02_cirq.py
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@ -1,13 +1,26 @@
import cirq
def main():
def superdense():
# Pick a qubit.
qubit = cirq.GridQubit(0, 0)
q1 = cirq.GridQubit(0, 0)
q2 = cirq.GridQubit(1, 0)
# Create a circuit
circuit = cirq.Circuit.from_ops(
cirq.X(qubit)**0.5, # Square root of NOT.
cirq.measure(qubit, key='m') # Measurement.
cirq.H(q1),
cirq.CNOT(q1, q2), # Alice prepares the Bell state,
# #################### Alice sends q2 to Bob,
# Uncomment below lines depending on what you want to send
# cirq.I(q1), # Alice wants to send 00 with superdense coding
# cirq.X(q1), # Alice wants to send 01 with superdense coding
cirq.Z(q1), # Alice wants to send 10 with superdense coding
# cirq.X(q1), cirq.Z(q1), # Alice wants to send 11 with superdense coding
# ################# Some time later...
cirq.CNOT(q1, q2),
cirq.H(q1), # Bob reverses the encoding
cirq.measure(q1, key='q1'), # Measurement.
cirq.measure(q2, key='q2') # Measurement.
)
print("Circuit:")
print(circuit)
@ -18,5 +31,6 @@ def main():
print("Results:")
print(result)
if __name__ == "__main__":
main()
superdense()