Stroboscopic high-order nonlinearity for quantum optomechanics

Abstract High-order quantum nonlinearity is an important prerequisite for the advanced quantum technology leading to universal quantum processing with large information capacity of continuous variables. Levitated optomechanics, a field where motion of dielectric particles is driven by precisely cont...

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Autores principales:	Andrey A. Rakhubovsky, Radim Filip
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/6354dbd2039b44ac9a2cdb2ab8eca3b2
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spelling	oai:doaj.org-article:6354dbd2039b44ac9a2cdb2ab8eca3b22021-12-02T16:24:59ZStroboscopic high-order nonlinearity for quantum optomechanics10.1038/s41534-021-00453-82056-6387https://doaj.org/article/6354dbd2039b44ac9a2cdb2ab8eca3b22021-07-01T00:00:00Zhttps://doi.org/10.1038/s41534-021-00453-8https://doaj.org/toc/2056-6387Abstract High-order quantum nonlinearity is an important prerequisite for the advanced quantum technology leading to universal quantum processing with large information capacity of continuous variables. Levitated optomechanics, a field where motion of dielectric particles is driven by precisely controlled tweezer beams, is capable of attaining the required nonlinearity via engineered potential landscapes of mechanical motion. Importantly, to achieve nonlinear quantum effects, the evolution caused by the free motion of mechanics and thermal decoherence have to be suppressed. For this purpose, we devise a method of stroboscopic application of a highly nonlinear potential to a mechanical oscillator that leads to the motional quantum non-Gaussian states exhibiting nonclassical negative Wigner function and squeezing of a nonlinear combination of mechanical quadratures. We test the method numerically by analyzing highly instable cubic potential with relevant experimental parameters of the levitated optomechanics, prove its feasibility within reach, and propose an experimental test. The method paves a road for experiments instantaneously transforming a ground state of mechanical oscillators to applicable nonclassical states by nonlinear optical force.Andrey A. RakhubovskyRadim FilipNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
spellingShingle	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Andrey A. Rakhubovsky Radim Filip Stroboscopic high-order nonlinearity for quantum optomechanics
description	Abstract High-order quantum nonlinearity is an important prerequisite for the advanced quantum technology leading to universal quantum processing with large information capacity of continuous variables. Levitated optomechanics, a field where motion of dielectric particles is driven by precisely controlled tweezer beams, is capable of attaining the required nonlinearity via engineered potential landscapes of mechanical motion. Importantly, to achieve nonlinear quantum effects, the evolution caused by the free motion of mechanics and thermal decoherence have to be suppressed. For this purpose, we devise a method of stroboscopic application of a highly nonlinear potential to a mechanical oscillator that leads to the motional quantum non-Gaussian states exhibiting nonclassical negative Wigner function and squeezing of a nonlinear combination of mechanical quadratures. We test the method numerically by analyzing highly instable cubic potential with relevant experimental parameters of the levitated optomechanics, prove its feasibility within reach, and propose an experimental test. The method paves a road for experiments instantaneously transforming a ground state of mechanical oscillators to applicable nonclassical states by nonlinear optical force.
format	article
author	Andrey A. Rakhubovsky Radim Filip
author_facet	Andrey A. Rakhubovsky Radim Filip
author_sort	Andrey A. Rakhubovsky
title	Stroboscopic high-order nonlinearity for quantum optomechanics
title_short	Stroboscopic high-order nonlinearity for quantum optomechanics
title_full	Stroboscopic high-order nonlinearity for quantum optomechanics
title_fullStr	Stroboscopic high-order nonlinearity for quantum optomechanics
title_full_unstemmed	Stroboscopic high-order nonlinearity for quantum optomechanics
title_sort	stroboscopic high-order nonlinearity for quantum optomechanics
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/6354dbd2039b44ac9a2cdb2ab8eca3b2
work_keys_str_mv	AT andreyarakhubovsky stroboscopichighordernonlinearityforquantumoptomechanics AT radimfilip stroboscopichighordernonlinearityforquantumoptomechanics
_version_	1718384054947020800

Stroboscopic high-order nonlinearity for quantum optomechanics

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