def circuit(x=None):
DisplacementEmbedding(features=x,
wires=range(n_wires),
method='amplitude',
c=1.)
return [
qml.expval(qml.MeanPhoton(wires=0)),
qml.expval(qml.MeanPhoton(wires=1))
]
def circuit(x=None):
DisplacementEmbedding(features=x,
wires=range(n_wires),
method='phase',
c=1.)
Beamsplitter(pi / 2, 0, wires=[0, 1])
DisplacementEmbedding(features=[0, 0],
wires=range(n_wires),
method='phase',
c=1.)
return [
qml.expval(qml.MeanPhoton(wires=0)),
qml.expval(qml.MeanPhoton(wires=1))
]
def circuit(varphi, bs):
Interferometer(theta=None,
phi=None,
varphi=varphi,
beamsplitter=bs,
wires=0)
return qml.expval(qml.MeanPhoton(0))
def circuit(varphi, mesh):
Interferometer(theta=None,
phi=None,
varphi=varphi,
mesh=mesh,
wires=0)
return qml.expval(qml.MeanPhoton(0))
def circuit_tria(varphi):
Interferometer(theta,
phi,
varphi,
mesh='triangular',
beamsplitter='clements',
wires=wires)
return [qml.expval(qml.MeanPhoton(w)) for w in wires]
def circuit(var):
"""Variational circuit.
Args:
var (array[float]): array containing the variables
Returns:
mean photon number of mode 0
"""
qml.FockState(1, wires=0)
qml.Beamsplitter(var[0], var[1], wires=[0, 1])
return qml.expval(qml.MeanPhoton(0))
def circuit(theta, phi, varphi):
for w in wires:
qml.Squeezing(sq[w][0], sq[w][1], wires=w)
Interferometer(theta, phi, varphi, wires=wires)
return [qml.expval(qml.MeanPhoton(w)) for w in wires]
def circuit_rect(varphi):
Interferometer(theta, phi, varphi, wires=wires)
return [qml.expval(qml.MeanPhoton(w)) for w in wires]
def circuit(varphi):
Interferometer(theta, phi, varphi, mesh='triangular', wires=wires)
return [qml.expval(qml.MeanPhoton(w)) for w in wires]