def test_amplitude_damping_error(self):
"""Test amplitude damping error damps to correct state"""
qr = QuantumRegister(1, 'qr')
cr = ClassicalRegister(1, 'cr')
circuit = QuantumCircuit(qr, cr)
circuit.x(qr) # prepare + state
for _ in range(30):
# Add noisy identities
circuit.barrier(qr)
circuit.i(qr)
circuit.barrier(qr)
circuit.measure(qr, cr)
shots = 4000
backend = AerSimulator()
# test noise model
error = amplitude_damping_error(0.75, 0.25)
noise_model = NoiseModel()
noise_model.add_all_qubit_quantum_error(error, 'id')
# Execute
target = {'0x0': 3 * shots / 4, '0x1': shots / 4}
circuit = transpile(circuit,
basis_gates=noise_model.basis_gates,
optimization_level=0)
result = backend.run(circuit, shots=shots,
noise_model=noise_model).result()
self.assertSuccess(result)
self.compare_counts(result, [circuit], [target], delta=0.05 * shots)
def test_noise_model_from_mumbai(self):
circ = QuantumCircuit(2)
circ.x(0)
circ.x(1)
circ.measure_all()
backend = mock.FakeMumbai()
noise_model = NoiseModel.from_backend(backend)
circ = transpile(circ, backend, optimization_level=0)
result = AerSimulator().run(circ, noise_model=noise_model).result()
self.assertTrue(result.success)
def test_can_run_circuits_with_delay_noise(self):
circ = QuantumCircuit(2)
circ.h(0)
circ.cx(0, 1)
circ.measure_all()
backend = mock.FakeLagos()
noise_model = NoiseModel.from_backend(backend)
qc = transpile(circ, backend, scheduling_method="alap")
result = AerSimulator().run(qc, noise_model=noise_model).result()
self.assertTrue(result.success)
# test another path
noisy_sim = AerSimulator().from_backend(backend)
qc = transpile(circ, noisy_sim, scheduling_method="alap")
result = noisy_sim.run(qc).result()
self.assertTrue(result.success)
# no scheduling = no delay noise
qc = transpile(circ, backend)
result = AerSimulator().run(qc, noise_model=noise_model).result()
self.assertTrue(result.success)
def test_mappable_qasm(self):
"""Test that the qasm controller can be mapped."""
cfunc = aer_controller_execute()
sim = AerSimulator()
fqobj = self._create_qobj(sim)
self._map_and_test(cfunc, fqobj)