def draw_bottom_left_resonator(self, coupling_length=330e3):
# frequency from Sonnet = 7.2103 GHz
# Qc = 5160
coupling_length = 330e3
pars = self.get_sps_params()
pars_squid = self.get_dc_squid_params()
res_to_line = 5e3 # distance between a resonator and a line
# Moving a capacitive coupling to the top of a qubit
pars['Z1'], pars['Z2'] = pars['Z2'], pars['Z1']
pars['d_alpha1'], pars['d_alpha2'] = pars['d_alpha2'], pars['d_alpha1']
pars['width1'], pars['width2'] = pars['width2'], pars['width1']
pars['gap1'], pars['gap2'] = pars['gap2'], pars['gap1']
worm_pos = DPoint(
self.cpw.start.x + res_to_line + 2 *
(self.Z.width / 2 + self.Z.gap), self.chip_y / 2)
worm3 = self.draw_one_resonator(worm_pos,
7.4,
coupling_length,
no_neck=True,
vert=False,
trans_in=Trans.R270)
q_pos = worm3.end - DPoint(0, pars['r_out'] - worm3.Z.b)
mq3 = SFS_Csh_emb(q_pos, pars, pars_squid)
mq3.place(self.cell, self.layer_ph, self.layer_el)
def draw_mixing_qubit(self):
p = self.cpw.connections
# Mixing qubit and dc-SQUID parameters
pars = self.get_mixing_qubit_params()
pars_squid = self.get_dc_squid_params()
pars_coupling = self.get_mixing_qubit_coupling_params()
# Drawing the qubit near the flux line
pos = DPoint(p[0].x + pars_coupling['to_line'] + pars['r_out'],
(p[0].y + p[1].y) / 2) # Position of the qubit
# mq1 = SFS_Csh_par(p, pars, pars_squid, pars_coupling)
mq1 = SFS_Csh_emb(pos, pars, pars_squid, squid_pos=1)
mq1.place(self.cell, self.layer_ph, self.layer_el)
def draw_qubit(self):
# Mixing qubit and dc-SQUID parameters
pars = self.get_resonator_qubit_params()
pars_squid = self.get_dc_squid_params()
# Drawing the qubit near the probe line
pos = DPoint(self.chip_x / 2, self.chip_y / 2) # Position of the qubit
rq1 = SFS_Csh_emb(pos, pars, pars_squid)
rq1.place(self.cell, self.layer_ph, self.layer_el)
# Draw line at the bottom
start = rq1.connections[
1] #DPoint(self.chip_x/2, self.chip_y/2 - pars['r_out'])
end = DPoint(self.chip_x / 2, 0)
cpw = CPW(self.Z.width, self.Z.gap, start, end)
cpw.place(self.cell, self.layer_ph)
def draw_top_right_resonator(self, coupling_length=350e3):
# frequency from Sonnet = 7.0251 GHz
# Qc = 4860
coupling_length = 350e3
pars = self.get_sps_params()
pars_squid = self.get_dc_squid_params()
res_to_line = 5e3 # distance between a resonator and a line
worm_pos = DPoint(
self.chip_x / 2, self.cpw.start.y - res_to_line - 2 *
(self.Z.width / 2 + self.Z.gap))
worm2 = self.draw_one_resonator(worm_pos,
7,
coupling_length,
extra_neck_length=pars['r_out'],
trans_in=Trans.R180)
q_pos = worm2.end + DPoint(0,
pars['r_out'] - worm2.Z.b) # qubit position
mq2 = SFS_Csh_emb(q_pos, pars, pars_squid)
mq2.place(self.cell, self.layer_ph, self.layer_el)