Unconventional photon blockade induced by the self-Kerr and cross-Kerr nonlinearities

We study the use of the self-Kerr and cross-Kerr nonlinearities to realize strong photon blockade in a weakly driven, four-mode optomechanical system. According to the Born−Oppenheimer approximation, we obtain the cavity self-Kerr coupling and the inter-cavity cross-Kerr coupling, adiabatically sepa...

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Bibliographic Details
Published in:Frontiers of physics 2023-02, Vol.18 (1), p.12304, Article 12304
Main Authors: Feng, Ling-Juan, Yan, Li, Gong, Shang-Qing
Format: Article
Language:English
Subjects:
Approximation
Astronomy
Astrophysics and Cosmology
Atomic
Condensed Matter Physics
Correlation
Coupling
cross-Kerr nonlinearity
Mechanical oscillators
Molecular
Nonlinearity
Optical and Plasma Physics
optomechanical system
Particle and Nuclear Physics
Photons
Physics
Physics and Astronomy
Quantum dots
Radiation
Research Article
self-Kerr nonlinearity
unconventional photon blockade
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Summary:We study the use of the self-Kerr and cross-Kerr nonlinearities to realize strong photon blockade in a weakly driven, four-mode optomechanical system. According to the Born−Oppenheimer approximation, we obtain the cavity self-Kerr coupling and the inter-cavity cross-Kerr coupling, adiabatically separated from the mechanical oscillator. Through minimizing the second-order correlation function, we find out the optimal parameter conditions for the unconventional photon blockade. Under the optimal conditions, the strong photon blockade can appear in the strong or weak nonlinearities.
ISSN:2095-0462
2095-0470
DOI:10.1007/s11467-022-1213-y