def _toSLH(self):
sigma_p = LocalSigma(self.tls_space, 'h','g')
sigma_m = sigma_p.adjoint()
# vacuum coupling / spontaneous decay
L = sqrt(self.gamma) * sigma_m
return SLH(Matrix([[1]]), Matrix([[L]]), 0)
def _toSLH(self):
Pi_g = LocalProjector(self.space, 'g')
Pi_h = LocalProjector(self.space, 'h')
sigma_gh = LocalSigma(self.space, 'g', 'h')
sigma_hg = LocalSigma(self.space, 'h', 'g')
S = Matrix([[Pi_g, - sigma_hg ], [-sigma_gh, Pi_h]])
return SLH(S, Matrix([[0]]*2), 0)
def _toSLH(self):
sigma_p = LocalSigma(self.tls_space, 'h', 'g')
sigma_m = sigma_p.adjoint()
# vacuum coupling / spontaneous decay
L = sqrt(self.gamma) * sigma_m
return SLH(Matrix([[1]]), Matrix([[L]]), 0)
def _toSLH(self):
S = identity_matrix(1)
if self.sub_index == 1:
L = sqrt(self.gamma) * Matrix([[LocalSigma(self.space, 'g', 'r')]])
elif self.sub_index == 2:
L = sqrt(self.gamma) * Matrix([[LocalSigma(self.space, 'h', 'r')]])
else:
raise Exception(str(self.sub_index))
return SLH(S, L, 0)
def _toSLH(self):
sigma_p = LocalSigma(self.tls_space, 'h','g')
sigma_m = sigma_p.adjoint()
a = Destroy(self.fock_space)
a_d = a.adjoint()
#coupling to external mode
L = sqrt(self.kappa) * a
H = self.Delta_f * a_d * a + self.Delta_a * sigma_p * sigma_m + I * self.g * (sigma_p * a - sigma_m * a_d)
return SLH(Matrix([[1]]), Matrix([[L]]), H)
def _toSLH(self):
sigma_p = LocalSigma(self.tls_space, 'h', 'g')
sigma_m = sigma_p.adjoint()
a = Destroy(self.fock_space)
a_d = a.adjoint()
#coupling to external mode
L = sqrt(self.kappa) * a
H = self.Delta_f * a_d * a + self.Delta_a * sigma_p * sigma_m + I * self.g * (
sigma_p * a - sigma_m * a_d)
return SLH(Matrix([[1]]), Matrix([[L]]), H)
def _toSLH(self):
if self.sub_index == 0:
sigma_p = LocalSigma(self.tls_space, 'h','g')
sigma_m = sigma_p.adjoint()
a = Destroy(self.fock_space)
a_d = a.adjoint()
#coupling to external mode
L = sqrt(self.kappa_1) * a
H = self.Delta_f * a_d * a + self.Delta_a * sigma_p * sigma_m + I * self.g * (sigma_p * a - sigma_m * a_d)
elif self.sub_index == 1:
a = Destroy(self.fock_space)
L = sqrt(self.kappa_2) * a
H = ZeroOperator
return SLH(Matrix([[1]]), Matrix([[L]]), H)