Combinatorial Optimization Problem Processor and Method
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United States of America Patent
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Dec 29, 2022
app pub date -
Dec 23, 2019
filing date -
Dec 23, 2019
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Abstract
A differential phase modulation Mach-Zehnder optical modulator includes a first phase modulation unit and a second phase modulation unit; an optical interference circuit that receives a polarized clock pulse train that was modulated by the differential phase modulation Mach-Zehnder optical modulator, and allows a predetermined interaction in the Ising model to occur at a period corresponding to the N pulses of the polarized clock pulse train; and a multiplexer/demultiplexer that receives the N initialization optical pulses that create a neutral state with respect to interactions between the elements and receives an output light pulse train from the optical interference circuit, couples the initialization optical pulses with output of the optical interference circuit, demultiplexes the initialization optical pulses and the output light pulse train, outputs a demultiplexed first phase modulation signal to the first phase modulation unit, and outputs a demultiplexed second phase modulation signal to a delay unit.
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