From 5f63a19532e3f358fa86a603dc63ffbf9a155e38 Mon Sep 17 00:00:00 2001 From: Daniel Tsvetkov Date: Wed, 4 Dec 2019 17:38:48 +0100 Subject: [PATCH] superdense with cirq --- 02_cirq.py | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/02_cirq.py b/02_cirq.py index d8f1754..c57fabe 100644 --- a/02_cirq.py +++ b/02_cirq.py @@ -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() \ No newline at end of file + superdense()