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Gaussian optical Ising machines

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Title: Gaussian optical Ising machines
Authors: Clements, WR
Renema, JJ
Wen, YH
Chrzanowski, HM
Kolthammer, WS
Walmsley, IA
Item Type: Journal Article
Abstract: It has recently been shown that optical parametric oscillator (OPO) Ising machines, consisting of coupled optical pulses circulating in a cavity with parametric gain, can be used to probabilistically find low-energy states of Ising spin systems. In this work, we study optical Ising machines that operate under simplified Gaussian dynamics. We show that these dynamics are sufficient for reaching probabilities of success comparable to previous work. Based on this result, we propose modified optical Ising machines with simpler designs that do not use parametric gain yet achieve similar performance, thus suggesting a route to building much larger systems.
Issue Date: 23-Oct-2017
Date of Acceptance: 5-Oct-2017
URI: http://hdl.handle.net/10044/1/57680
DOI: https://dx.doi.org/10.1103/PhysRevA.96.043850
ISSN: 1050-2947
Publisher: American Physical Society
Journal / Book Title: Physical Review A
Volume: 96
Issue: 4
Copyright Statement: © 2017 American Physical Society
Sponsor/Funder: Engineering & Physical Science Research Council (E
Funder's Grant Number: EP/K034480/1
Keywords: Science & Technology
Physical Sciences
Optics
Physics, Atomic, Molecular & Chemical
Physics
COMPUTATIONAL-COMPLEXITY
PARAMETRIC OSCILLATORS
OPTIMIZATION
NETWORK
MODELS
quant-ph
Publication Status: Published
Open Access location: https://arxiv.org/abs/1706.06488
Article Number: ARTN 043850
Appears in Collections:Quantum Optics and Laser Science
Physics



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