def test_run_simulation_from_backend(self): """Construct from a backend and run a simulation.""" armonk_backend = FakeArmonk() # manually override parameters to insulate from future changes to FakeArmonk freq_est = 4.97e9 drive_est = 6.35e7 armonk_backend.defaults().qubit_freq_est = [freq_est] armonk_backend.configuration().hamiltonian['h_str'] = [ 'wq0*0.5*(I0-Z0)', 'omegad0*X0||D0' ] armonk_backend.configuration().hamiltonian['vars'] = { 'wq0': 2 * np.pi * freq_est, 'omegad0': drive_est } armonk_backend.configuration().hamiltonian['qub'] = {'0': 2} dt = 2.2222222222222221e-10 armonk_backend.configuration().dt = dt armonk_sim = PulseSimulator.from_backend(armonk_backend) armonk_sim.set_options(meas_level=2, meas_return='single', shots=1) total_samples = 250 amp = np.pi / (drive_est * dt * total_samples) sched = self._1Q_schedule(total_samples, amp) # run and verify that a pi pulse had been done result = armonk_sim.run(sched).result() final_vec = result.get_statevector() probabilities = np.abs(final_vec)**2 self.assertTrue(probabilities[0] < 1e-5) self.assertTrue(probabilities[1] > 1 - 1e-5)
# Mock Armonk backend from qiskit.test.mock.backends.armonk.fake_armonk import FakeArmonk # In[191]: armonk_backend = FakeArmonk() # In[192]: freq_est = 4.97e9 drive_est = 6.35e7 armonk_backend.defaults().qubit_freq_est = [freq_est] armonk_backend.configuration().hamiltonian['h_str']= ['wq0*0.5*(I0-Z0)', 'omegad0*X0||D0'] armonk_backend.configuration().hamiltonian['vars'] = {'wq0': 2 * np.pi * freq_est, 'omegad0': drive_est} armonk_backend.configuration().hamiltonian['qub'] = {'0': 2} armonk_backend.configuration().dt = 2.2222222222222221e-10 # In[200]: dim_oscillators = 3 # single oscillator drift parameters oscillator_freqs = [5.0e9, 5.1e9, 5.2e9] anharm_freqs = [-0.33e9, -0.33e9, -0.33e9]