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Coherent observer engineering for protecting quantum information

Yu Pan 1 Thien Nguyen 2 Zibo Miao 3 Nina H. Amini 4, 5, 6 Valeri Ugrinovski 1 Matthew R. James 2
1 UNSW - University of New South Wales [Canberra Campus]
2 ANU - Australian National University - Department of engineering
3 University of Melbourne
4 L2S - Laboratoire des signaux et systèmes
5 CNRS - Centre National de la Recherche Scientifique
6 CentraleSupélec
Abstract : In this paper, we extend the applicability of coherent quantum observers to enable the generation of decoherence free subsystem which can be used for quantum information storage. In particular, a general quantum linear passive system can be equipped with a decoherence free subsystem by placing some of its poles on the imaginary axis via engineered observer-based controller. The controller design for the case of optical cavity systems is illustrated in the context of examples.
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Conference papers
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01398831
Contributor : Nina H. Amini <>
Submitted on : Thursday, November 17, 2016 - 6:40:08 PM
Last modification on : Wednesday, January 13, 2021 - 5:02:03 PM

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CNRS | INSMI | TDS-MACS | L2S | SUP_LSS | CENTRALESUPELEC | SUP_SYSTEMES

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Yu Pan, Thien Nguyen, Zibo Miao, Nina H. Amini, Valeri Ugrinovski, et al.. Coherent observer engineering for protecting quantum information. Chineese Control Conference (CCC), Jul 2016, Chengdu, China. ⟨10.1109/chicc.2016.7554812⟩. ⟨hal-01398831⟩

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