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Paper Abstract and Keywords
Presentation 2020-12-11 16:50
High-accuracy Ising machine using Kerr-nonlinear parametric oscillators with local four-body interactions
Taro Kanao, Hayato Goto (Toshiba Corp.)
Abstract (in Japanese) (See Japanese page) 
(in English) Ising machines using Kerr-nonlinear parametric oscillators (KPOs) have been proposed based on adiabatic quantum computation. Utilizing the Lechner-Hauke-Zoller (LHZ) scheme, a two-dimensional array of KPOs with four-body interactions is a promising candidate for realizing an Ising machine with all-to-all spin couplings. However, its performance has been studied only for a symmetric network of three KPOs. Here, we numerically simulate an asymmetric network of more KPOs. We find that the asymmetry causes inhomogeneity and degrades the performance. We propose a method to correct it, and show that this method dramatically improves the performance, which will be useful for large-scale implementations.
Keyword (in Japanese) (See Japanese page) 
(in English) Kerr-nonlinear parametric oscillator / adiabatic quantum computation / Ising problem / Lechner-Hauke-Zoller scheme / four-body interaction / / /  
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Conference Information
Committee QIT  
Conference Date 2020-12-10 - 2020-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2020-12-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-accuracy Ising machine using Kerr-nonlinear parametric oscillators with local four-body interactions 
Sub Title (in English)  
Keyword(1) Kerr-nonlinear parametric oscillator  
Keyword(2) adiabatic quantum computation  
Keyword(3) Ising problem  
Keyword(4) Lechner-Hauke-Zoller scheme  
Keyword(5) four-body interaction  
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1st Author's Name Taro Kanao  
1st Author's Affiliation Toshiba Corporation (Toshiba Corp.)
2nd Author's Name Hayato Goto  
2nd Author's Affiliation Toshiba Corporation (Toshiba Corp.)
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Date Time 2020-12-11 16:50:00 
Presentation Time 20 minutes 
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