Molecule–plasmon–photon hybridization and applications

We study a potential hybrid quantum system with a plasmonic nanocavity coupled to a vibrating mode of a single molecule and another optical cavity mode. To explore some important and valuable applications in quantum physics, we discuss and evaluate several different applications with respect to the...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2023-11, Vol.56 (44), p.445102
Main Authors: Yan Lü, Dong, Badshah, Fazal, Li, Xin-Ke, Tong, Rui, Wu, Jun, Wu, Cheng-Rui, Zeng, Lihaowen, Ma, Ming, Zhou, Yuan
Format: Article
Language:English
Subjects:
hybrid quantum system
optomechanical-like coupling
quantum manipulation
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Summary:We study a potential hybrid quantum system with a plasmonic nanocavity coupled to a vibrating mode of a single molecule and another optical cavity mode. To explore some important and valuable applications in quantum physics, we discuss and evaluate several different applications with respect to the plasmon-mediated quantum interface, the plasmon-assisted engineering of two-mode continuous-variable entanglement, and pursuing an indirect and ultrastrong molecule–photon cooperativity. In addition, governed by the relation of symmetry breaking and quantum phase transitions (QPTs),single-molecule-induced QPTs are also studied in this tripartite hybrid quantum system. This theoretical study strongly supports potential applications of this hybrid system in the field of quantum information processing. It is believed that our investigation of molecule–plasmon–photon hybridization can not only open a new avenue toward quantum manipulation, but also provide a fresh and reliable platform to carry out many applications with high efficiency.
ISSN:0022-3727
1361-6463
DOI:10.1088/1361-6463/ace9e6