def measure_message_qubit(basis: bool, q: Qubit) -> bool:
if basis:
q.h()
result = q.measure()
q.reset() # <3>
return result
def eve_measure_plusminus(q: Qubit) -> bool:
q.h() # <2>
return q.measure()
def prepare_message_qubit(message: bool, basis: bool, q: Qubit) -> None: # <2>
if message:
q.x()
if basis:
q.h()
def prepare_classical_message(bit: bool, q: Qubit) -> None: # <1>
if bit:
q.x()
def prepare_classical_message_plusminus(bit: bool, q: Qubit) -> None:
if bit:
q.x()
q.h() # <1>
def eve_measure(q: Qubit) -> bool:
return q.measure() # <3>
def teleport(msg: Qubit, here: Qubit, there: Qubit) -> None: # <1>
here.h() # <2>
here.cnot(there) # <3>
# ... # <4>
msg.cnot(here) # <5>
msg.h()
if msg.measure(): there.z() # <6>
if here.measure(): there.x()
msg.reset() # <7>
here.reset()
def teleport(msg: Qubit, here: Qubit, there: Qubit) -> None:
here.h()
here.cnot(there)
# ...
msg.cnot(here)
msg.h()
if msg.measure(): there.z()
if here.measure(): there.x()
msg.reset()
here.reset()