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Network of femtosecond degenerate OPOs for solving NP-Hard Ising problems

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Abstract

We report implementation of a configurable network of four degenerate optical parametric oscillators as an Ising spin system using time-multiplexed femtosecond pulses. This coherent Ising machine solves an instance of NP-hard MAXCUT problem without error.

© 2014 Optical Society of America

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