5 pi pulse

In [ ]:

import numpy as np

import qubex as qx
from qubex.simulator import Control, QuantumSimulator, QuantumSystem, Transmon

import numpy as np import qubex as qx from qubex.simulator import Control, QuantumSimulator, QuantumSystem, Transmon

In [ ]:

# units: GHz, ns

qubit = Transmon(
    label="Q01",
    dimension=3,
    frequency=8.275,
    anharmonicity=-0.333,
    relaxation_rate=0.05e-3,
    dephasing_rate=0.05e-3,
)

system = QuantumSystem(objects=[qubit])

simulator = QuantumSimulator(system)

# units: GHz, ns qubit = Transmon( label="Q01", dimension=3, frequency=8.275, anharmonicity=-0.333, relaxation_rate=0.05e-3, dephasing_rate=0.05e-3, ) system = QuantumSystem(objects=[qubit]) simulator = QuantumSimulator(system)

In [ ]:

duration = 30
ramptime = 10

hpi_pulse = qx.pulse.FlatTop(
    duration=duration,
    amplitude=0.5 * np.pi / (duration - ramptime),
    tau=ramptime,
)
hpi_pulse.plot(divide_by_two_pi=True)

duration = 30 ramptime = 10 hpi_pulse = qx.pulse.FlatTop( duration=duration, amplitude=0.5 * np.pi / (duration - ramptime), tau=ramptime, ) hpi_pulse.plot(divide_by_two_pi=True)

In [ ]:

result = simulator.mesolve(
    controls=[
        Control(
            target=qubit,
            waveform=hpi_pulse,
        )
    ],
    initial_state={
        qubit.label: "0",
    },
)

result.show_last_population(qubit.label)
result.plot_population_dynamics(qubit.label)
result.plot_bloch_vectors(qubit.label)
result.display_bloch_sphere(qubit.label)

result = simulator.mesolve( controls=[ Control( target=qubit, waveform=hpi_pulse, ) ], initial_state={ qubit.label: "0", }, ) result.show_last_population(qubit.label) result.plot_population_dynamics(qubit.label) result.plot_bloch_vectors(qubit.label) result.display_bloch_sphere(qubit.label)

In [ ]:

hpi_pulse.repeated(2).plot(
    divide_by_two_pi=True,
)

hpi_pulse.repeated(2).plot( divide_by_two_pi=True, )

In [ ]:

result = simulator.mesolve(
    controls=[
        Control(
            target=qubit,
            waveform=hpi_pulse.repeated(2),
        )
    ],
    initial_state={
        qubit.label: "0",
    },
)

result.show_last_population(qubit.label)
result.plot_population_dynamics(qubit.label)
result.plot_bloch_vectors(qubit.label)
result.display_bloch_sphere(qubit.label)

result = simulator.mesolve( controls=[ Control( target=qubit, waveform=hpi_pulse.repeated(2), ) ], initial_state={ qubit.label: "0", }, ) result.show_last_population(qubit.label) result.plot_population_dynamics(qubit.label) result.plot_bloch_vectors(qubit.label) result.display_bloch_sphere(qubit.label)

In [ ]:

duration = 30
ramptime = 10

pi_pulse = qx.pulse.FlatTop(
    duration=duration,
    amplitude=np.pi / (duration - ramptime),
    tau=ramptime,
)
pi_pulse.plot(divide_by_two_pi=True)

duration = 30 ramptime = 10 pi_pulse = qx.pulse.FlatTop( duration=duration, amplitude=np.pi / (duration - ramptime), tau=ramptime, ) pi_pulse.plot(divide_by_two_pi=True)

In [ ]:

result = simulator.mesolve(
    controls=[
        Control(
            target=qubit,
            waveform=pi_pulse,
        )
    ],
    initial_state={
        qubit.label: "0",
    },
)

result.show_last_population(qubit.label)
result.plot_population_dynamics(qubit.label)
result.plot_bloch_vectors(qubit.label)
result.display_bloch_sphere(qubit.label)

result = simulator.mesolve( controls=[ Control( target=qubit, waveform=pi_pulse, ) ], initial_state={ qubit.label: "0", }, ) result.show_last_population(qubit.label) result.plot_population_dynamics(qubit.label) result.plot_bloch_vectors(qubit.label) result.display_bloch_sphere(qubit.label)