Patent ID: 11929788
Assignee: INSTITUTE OF SEMICONDUCTORS, CHINESE ACADEMY OF SCIENCES
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 1:
2. The microwave photonic Ising machine of claim 1, wherein
the phase and electro-optical conversion module comprises a modulator and a nonlinear medium, the storage, correlation and photoelectric conversion module comprises an optical fiber, a signal correlation device and a photodetector, the signal correlation device comprises a beam splitting device, a spin connection module and a beam combining device, one output of the beam splitting device is connected to an input of the spin connection module, another output of the beam splitting device is connected to an input of the beam combining device, and an output of the spin connection module is connected to the input of the beam combining device;
the nonlinear medium is configured to convert the microwave pulse signal into a phase-random two-phase microwave pulse spin signal, the modulator is configured to modulate the phase-random two-phase microwave pulse spin signal and the optical signal into a phase-random two-phase microwave pulse spin optical signal, and the optical fiber is configured to store the phase-random two-phase microwave pulse spin optical signal, wherein
the spin connection module is configured to correlate any two phase-random two-phase microwave pulse spin optical signals input into the spin connection module, so as to generate a phase-specific two-phase microwave pulse spin optical signal, the photodetector is configured to convert the phase-specific two-phase microwave pulse spin optical signal output by the beam combining device into the phase-specific two-phase microwave pulse spin electrical signal and output the phase-specific two-phase microwave pulse spin electrical signal to the nonlinear medium so as to form a closed loop, and a position of the optical fiber is exchangeable with a position of the signal correlation device; or
the photodetector is configured to convert the phase-random two-phase microwave pulse spin optical signal into a phase-random two-phase microwave pulse spin electrical signal, the spin connection module is configured to correlate any two phase-random two-phase microwave pulse spin electrical signals input into the spin connection module, so as to generate the phase-specific two-phase microwave pulse spin electrical signal, and the beam combining device is configured to output the phase-specific two-phase microwave pulse spin electrical signal to the nonlinear medium so as to form the closed loop.