Photonic counterdiabatic quantum optimization algorithm

Fuente: arXiv
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Main Authors: Chandarana, Pranav, Paul, Koushik, Garcia-de-Andoin, Mikel, Ban, Yue, Sanz, Mikel, Chen, Xi
Format: Preprint
Published: 2023
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author Chandarana, Pranav
Paul, Koushik
Garcia-de-Andoin, Mikel
Ban, Yue
Sanz, Mikel
Chen, Xi
author_facet Chandarana, Pranav
Paul, Koushik
Garcia-de-Andoin, Mikel
Ban, Yue
Sanz, Mikel
Chen, Xi
contents We propose a hybrid quantum-classical approximate optimization algorithm for photonic quantum computing, specifically tailored for addressing continuous-variable optimization problems. Inspired by counterdiabatic protocols, our algorithm significantly reduces the required quantum operations for optimization as compared to adiabatic protocols. This reduction enables us to tackle non-convex continuous optimization and countably infinite integer programming within the near-term era of quantum computing. Through comprehensive benchmarking, we demonstrate that our approach outperforms existing state-of-the-art hybrid adiabatic quantum algorithms in terms of convergence and implementability. Remarkably, our algorithm offers a practical and accessible experimental realization, bypassing the need for high-order operations and overcoming experimental constraints. We conduct proof-of-principle experiments on an eight-mode nanophotonic quantum chip, successfully showcasing the feasibility and potential impact of the algorithm.
format Preprint
id arxiv_https___arxiv_org_abs_2307_14853
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Photonic counterdiabatic quantum optimization algorithm
Chandarana, Pranav
Paul, Koushik
Garcia-de-Andoin, Mikel
Ban, Yue
Sanz, Mikel
Chen, Xi
Quantum Physics
Optics
We propose a hybrid quantum-classical approximate optimization algorithm for photonic quantum computing, specifically tailored for addressing continuous-variable optimization problems. Inspired by counterdiabatic protocols, our algorithm significantly reduces the required quantum operations for optimization as compared to adiabatic protocols. This reduction enables us to tackle non-convex continuous optimization and countably infinite integer programming within the near-term era of quantum computing. Through comprehensive benchmarking, we demonstrate that our approach outperforms existing state-of-the-art hybrid adiabatic quantum algorithms in terms of convergence and implementability. Remarkably, our algorithm offers a practical and accessible experimental realization, bypassing the need for high-order operations and overcoming experimental constraints. We conduct proof-of-principle experiments on an eight-mode nanophotonic quantum chip, successfully showcasing the feasibility and potential impact of the algorithm.
title Photonic counterdiabatic quantum optimization algorithm
topic Quantum Physics
Optics
url https://arxiv.org/abs/2307.14853