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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.
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