def main():
Q_program = QuantumProgram()
Q_program.register(Qconfig.APItoken, Qconfig.config["url"])
#Creating registers
q = Q_program.create_quantum_register("q", 2)
c = Q_program.create_classical_register("c", 2)
#Quantum circuit to make shared entangled state
superdense = Q_program.create_circuit("superdense", [q], [c])
#Party A : Alice
superdense.h(q[0])
superdense.cx(q[0], q[1])
#00:do nothing, 10:apply x, 01:apply z
superdense.x(q[0])
superdense.z(q[0])
#11:apply zx
superdense.z(q[0])
superdense.x(q[0])
superdense.barrier()
#Party B : Bob
superdense.cx(q[0], q[1])
superdense.h(q[0])
superdense.measure(q[0], c[0])
superdense.measure(q[1], c[1])
circuits = ["superdense"]
print(Q_program.get_qasms(circuits)[0])
backend = "ibmq_qasm_simulator"
shots = 1024
result = Q_program.execute(circuits, backend=backend, shots=shots, max_credits=3, timeout=240)
print("Counts:" + str(result.get_counts("superdense")))
plot_histogram(result.get_counts("superdense"))
def main():
Q_program = QuantumProgram()
Q_program.register(Qconfig.APItoken, Qconfig.config["url"])
#Create registers
q = Q_program.create_quantum_register('q', 3)
c0 = Q_program.create_classical_register('c0', 1)
c1 = Q_program.create_classical_register('c1', 1)
c0 = Q_program.create_classical_register('c2', 1)
#Quantum circuit to make Bell Pair
teleport = Q_program.create_circuit('teleport', [q], [c0, c1, c2])
teleport.h(q[1])
teleport.cx(q[1], q[2])
#A prepares quantum state to be teleported
teleport.ry(np.pi / 4, q[0])
#A applies CNOT to her two quantum states followed by H to entangle them
teleport.cx(q[0], q[1])
teleport.h(q[0])
teleport.barrier()
#A measures her two quantum states
teleport.measure(q[0], c0[0])
teleport.measure(q[1], c1[0])
circuits = ['teleport']
print(Q_program.get_qasms(circuits)[0])
#B depending on the result applies x or z or both
teleport.z(q[2]).c_if(c0, 1)
teleport.x(q[2]).c_if(c1, 1)
teleport.measure(q[2], c2[0])
#dump asm
circuits = ['teleport']
print(Q_program.get_qasms(circuits)[0])
backend = "ibmq_qasm_simulator"
shots = 1024
result = Q_program.execute(circuits,
backend=backend,
shots=shots,
max_credits=3,
timeout=240)
print("Counts:" + str(result.get_counts("teleport")))
#RESULTS
#Alice's measurements
data = result.get_counts("teleport")
alice = {}
alice['00'] = data['0 0 0'] + data['1 0 0']
alice['10'] = data['0 1 0'] + data['1 1 0']
alice['01'] = data['0 0 1'] + data['1 0 1']
alice['11'] = data['0 1 1'] + data['1 1 1']
plot_histogram(alice)
bob = {}
bob['0'] = data['0 0 0'] + data['0 1 0'] + data['0 0 1'] + data['0 1 1']
bob['1'] = data['1 0 0'] + data['1 1 0'] + data['1 0 1'] + data['1 1 1']
plot_histogram(bob)