Quantum computing with exciton-polariton condensates

Quantum computing with exciton-polariton condensates

Exciton-polariton condensates have attractive features for quantum computation, e.g., room temperature operation, high dynamical speed, ease of probe, and existing fabrication techniques. Here, we present a complete theoretical scheme of quantum computing with exciton-polariton condensates formed in...

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Main Authors: Ghosh, Sanjib, Liew, Timothy C. H.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2020
Subjects:
Science::Physics
Exciton Polariton Quantum Computing
Quantum Information
Online Access:https://hdl.handle.net/10356/137288
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1372882023-02-28T20:01:45Z Quantum computing with exciton-polariton condensates Ghosh, Sanjib Liew, Timothy C. H. School of Physical and Mathematical Sciences Science::Physics Exciton Polariton Quantum Computing Quantum Information Exciton-polariton condensates have attractive features for quantum computation, e.g., room temperature operation, high dynamical speed, ease of probe, and existing fabrication techniques. Here, we present a complete theoretical scheme of quantum computing with exciton-polariton condensates formed in semiconductor micropillars. Quantum fluctuations on top of the condensates are shown to realize qubits, which are externally controllable by applied laser pulses. Quantum tunneling and nonlinear interactions between the condensates allow SWAP, square-root-SWAP and controlled-NOT gate operations between the qubits. Published version 2020-03-16T06:28:01Z 2020-03-16T06:28:01Z 2020 Journal Article Ghosh, S., & Liew, T. C. H. (2020). Quantum computing with exciton-polariton condensates. npj Quantum Information, 6(1). doi:10.1038/s41534-020-0244-x 2056-6387 https://hdl.handle.net/10356/137288 10.1038/s41534-020-0244-x 2-s2.0-85078897036 1 6 en npj Quantum Information 10.21979/N9/TOPGA0 © 2020 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing,adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visithttp://creativecommons.org/licenses/by/4.0/. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Science::Physics
Exciton Polariton Quantum Computing
Quantum Information
spellingShingle Science::Physics
Exciton Polariton Quantum Computing
Quantum Information
Ghosh, Sanjib
Liew, Timothy C. H.
Quantum computing with exciton-polariton condensates
description Exciton-polariton condensates have attractive features for quantum computation, e.g., room temperature operation, high dynamical speed, ease of probe, and existing fabrication techniques. Here, we present a complete theoretical scheme of quantum computing with exciton-polariton condensates formed in semiconductor micropillars. Quantum fluctuations on top of the condensates are shown to realize qubits, which are externally controllable by applied laser pulses. Quantum tunneling and nonlinear interactions between the condensates allow SWAP, square-root-SWAP and controlled-NOT gate operations between the qubits.
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Ghosh, Sanjib
Liew, Timothy C. H.
format Article
author Ghosh, Sanjib
Liew, Timothy C. H.
author_sort Ghosh, Sanjib
title Quantum computing with exciton-polariton condensates
title_short Quantum computing with exciton-polariton condensates
title_full Quantum computing with exciton-polariton condensates
title_fullStr Quantum computing with exciton-polariton condensates
title_full_unstemmed Quantum computing with exciton-polariton condensates
title_sort quantum computing with exciton-polariton condensates
publishDate 2020
url https://hdl.handle.net/10356/137288
_version_ 1759853821256794112

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