Quantum random number generator based on integrated optical chip
A quantum random number and integrated optics technology, applied in the field of quantum security communication, can solve the problems of low integration of optical parts, high difficulty in realization, and low integration, so as to improve work stability, increase integration, and high flexibility Effect
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Embodiment 1
[0026] The structure of the quantum random number generator based on the integrated optical chip is as follows: the polarization rotation delay module 5 includes a first polarization beam splitter rotator 5-1, a second polarization beam splitter rotator 5-2, a first polarization beam splitter rotator 5-2, a first polarization beam splitter rotator The phase modulation module 5-3 and the first optical delay line 5-4, the first port of the first polarization beam splitter rotator 5-1 and the first port of the second polarization beam splitter rotator 5-2 are respectively used as The first port and the second port of the polarization rotation delay module 5; the second port and the third port of the first polarization beam splitter rotator 5-1 are directly connected to form the first Sagnac ring. A phase modulation module 5-3 is located in the first Sagnac ring; the second port and the third port of the second polarization beam splitter rotator 5-2 are directly connected to form t...
Embodiment 2
[0031] The structure of the quantum random number generator based on the integrated optical chip is as follows: the polarization rotation delay module 5 includes a second phase modulation module 5-5, a second optical delay line 5-6, a third polarization beam splitter The rotator 5-7, the fourth polarization beam splitter rotator 5-8, a port of the second phase modulation module 5-5 and a port of the second optical delay line 5-6 are respectively used as a polarization rotation delay module The first port and the second port of 5; the other port of the second phase modulation module 5-5 and the other port of the second optical delay line 5-6 are respectively connected to the third polarization beam splitter rotator 5-7 The first port and the first port of the fourth polarization beam splitter rotator 5-8; the second port and the third port of the third polarization beam splitter rotator 5-7 are directly connected to form the third Sagnac ring; the second port and the third port...
Embodiment 3
[0036] The structure of the quantum random number generator based on the integrated optical chip is as follows: the polarization rotation delay module 5 includes a third phase modulation module 5-9, a third optical delay line 5-10 and a fifth polarization beam splitter The rotator 5-11, a port of the third phase modulation module 5-9 and a port of the third optical delay line 5-10 are respectively used as the first port and the second port of the polarization rotation delay module 5; The other port of the third phase modulation module 5-9 and the other port of the third optical delay line 5-10 are respectively connected to the first port and the fourth port of the fifth polarization beam splitter rotator 5-11; the The second port and the third port of the fifth polarization beam splitter rotator 5-11 are directly connected to form a fifth Sagnac ring; the third optical delay line 5-10 is a curved waveguide structure, and its length is greater than that of the third optical dela...
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