def _schedule(self) -> Tuple[pulse.ScheduleBlock, Parameter]:
"""Create the spectroscopy schedule."""
dt, granularity = self._dt, self._granularity
duration = int(granularity *
(self.experiment_options.duration / dt // granularity))
sigma = granularity * (self.experiment_options.sigma / dt //
granularity)
width = granularity * (self.experiment_options.width / dt //
granularity)
qubit = self.physical_qubits[0]
freq_param = Parameter("frequency")
with pulse.build(backend=self.backend,
name="spectroscopy") as schedule:
pulse.shift_frequency(freq_param, pulse.MeasureChannel(qubit))
pulse.play(
pulse.GaussianSquare(
duration=duration,
amp=self.experiment_options.amp,
sigma=sigma,
width=width,
),
pulse.MeasureChannel(qubit),
)
pulse.acquire(duration, qubit, pulse.MemorySlot(0))
return schedule, freq_param
def test_execute_block(self):
"""Test executing a ScheduleBlock on a Pulse backend"""
with pulse.build(name="test_block") as sched_block:
pulse.play(pulse.Constant(160, 1.0), pulse.DriveChannel(0))
pulse.acquire(50, pulse.MeasureChannel(0), pulse.MemorySlot(0))
backend = FakeArmonk()
test_result = backend.run(sched_block).result()
self.assertDictEqual(test_result.get_counts(), {"0": 1024})
def test_acquire_qubit(self):
"""Test acquire instruction on qubit."""
acquire0 = pulse.AcquireChannel(0)
mem0 = pulse.MemorySlot(0)
with pulse.build() as schedule:
pulse.acquire(10, 0, mem0)
reference = pulse.Schedule()
reference += pulse.Acquire(10, acquire0, mem_slot=mem0)
self.assertEqual(schedule, reference)
def test_acquire_register_slot(self):
"""Test acquire instruction into register slot."""
acquire0 = pulse.AcquireChannel(0)
reg0 = pulse.RegisterSlot(0)
with pulse.build() as schedule:
pulse.acquire(10, acquire0, reg0)
reference = pulse.Schedule()
reference += pulse.Acquire(10, acquire0, reg_slot=reg0)
self.assertEqual(schedule, reference)
