ReportOPTICAL PROCESSING

A fully-programmable 100-spin coherent Ising machine with all-to-all connections

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Science  20 Oct 2016:
aah5178
DOI: 10.1126/science.aah5178

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Abstract

Unconventional, special-purpose machines may aid in accelerating the solution of some of the hardest problems in computing, such as large-scale combinatorial optimizations, by exploiting different operating mechanisms than standard digital computers. We present a scalable optical processor with electronic feedback that can be realized at large scale with room-temperature technology. Our prototype machine is able to find exact solutions of, or to sample good approximate solutions to, a variety of hard instances of Ising problems with up to 100 spins and 10,000 spin-spin connections.

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