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Simultaneous blockade of a photon, phonon, and magnon induced by a two-level atom

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Indexed by:Journal Papers

Date of Publication:2020-06-29

Journal:PHYSICAL REVIEW A

Included Journals:SCIE

Volume:101

Issue:6

ISSN No.:1050-2947

Abstract:The hybrid microwave optomechanical-magnetic system has recently emerged as a promising candidate for coherent information processing because of the ultrastrong microwave photon-magnon coupling and the long life of the magnon and phonon. As a quantum information processing device, the realization of single excitation holds special meaning for the hybrid system. In this paper, we introduce a single two-level atom into the optomechanical-magnetic system and show that an unconventional blockade due to destructive interference cannot offer a blockade of both the photon and magnon. Meanwhile under the condition of single excitation resonance, the blockade of the photon, phonon, and magnon can be achieved simultaneously even in a weak optomechanical region, but the phonon blockade still requires the cryogenic temperature condition.

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