def test(nphotons, nmodes, accelerate, explicit, mode='quantum'):
'''test the simulator'''
# build a basis, device and simulator
basis=lo.basis(nphotons, nmodes)
device=lo.random_unitary(basis.nmodes)
simulator=lo.simulator(basis, device)
simulator.configure_perm(accelerate, explicit)
mode='quantum' if not mode else 'classical'
simulator.set_mode(mode)
# put photons in the top modes
state=basis.get_state(['m'] + range(basis.nphotons))
#print str(state).strip()
simulator.set_input_state(state)
# how long does it take to work over the full hilbert space
t=clock()
for i in range(basis.hilbert_space_dimension):
simulator.get_probability(i)
util.progress_bar(i/float(basis.hilbert_space_dimension-1))
hilbert_space_time=clock()-t
return hilbert_space_time
print 'python'
print element(5,3,i)
print 'cython'
print combinadics.fock(5,3,i)
print '\n'
# python
t=clock()
for i in range(10):
for j in range(10000):
a=element(5,3,i)
print clock()-t
# cython
t=clock()
for i in range(10):
for j in range(10000):
a=combinadics.fock(5,3,i)
print clock()-t
# basis
b=lo.basis(5,20)
t=clock()
for j in range(10):
for j in range(10000):
x = b.get_index(['m']+[1,2,3,4,5])
print clock()-t
import numpy as np
from qy.simulation import linear_optics as lo
'''
Test our code with the CNOT-MZ
'''
# Build the device and a two-photon basis, draw the device
basis=lo.basis(2,2)
device=lo.beamsplitter_network(json='devices/cnot_mz.json')
device.draw('devices/cnot_mz.pdf')
# Start a simulator
simulator=lo.simulator(device, basis)
# Set the input state and get some probabilities
input_state=basis.get_state([1,3])
simulator.set_input_state(input_state)
print 'INPUT:', input_state
print 'P00', simulator.get_probability_quantum([1,3])
print 'P01', simulator.get_probability_quantum([2,3])
print 'P10', simulator.get_probability_quantum([1,4])
print 'P11', simulator.get_probability_quantum([2,4])
# Let's try a few different input states
for input_modes in [[0,1], [0,0], [1,1]]:
input_state=basis.get_state(input_modes)
simulator.set_input_state(input_state)
print '\nINPUT:', str(input_state).strip()
for index, modes in basis:
q=simulator.get_probability_quantum(index)
import numpy as np
from qy.simulation import linear_optics as lo
'''
Test our code with the CNOT-MZ
'''
# Build the device and a two-photon basis, draw the device
basis = lo.basis(2, 2)
device = lo.beamsplitter_network(json='devices/cnot_mz.json')
device.draw('devices/cnot_mz.pdf')
# Start a simulator
simulator = lo.simulator(device, basis)
# Set the input state and get some probabilities
input_state = basis.get_state([1, 3])
simulator.set_input_state(input_state)
print 'INPUT:', input_state
print 'P00', simulator.get_probability_quantum([1, 3])
print 'P01', simulator.get_probability_quantum([2, 3])
print 'P10', simulator.get_probability_quantum([1, 4])
print 'P11', simulator.get_probability_quantum([2, 4])
# Let's try a few different input states
for input_modes in [[0, 1], [0, 0], [1, 1]]:
input_state = basis.get_state(input_modes)
simulator.set_input_state(input_state)
print '\nINPUT:', str(input_state).strip()
for index, modes in basis:
q = simulator.get_probability_quantum(index)
c = simulator.get_probability_classical(index)
