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Strongly Coupled Systems for Nonlinear Optics
Author(s) -
Ge Fei,
Han Xiao,
Xu Jialiang
Publication year - 2021
Publication title -
laser and photonics reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.778
H-Index - 116
eISSN - 1863-8899
pISSN - 1863-8880
DOI - 10.1002/lpor.202000514
Subject(s) - lasing threshold , photonics , polariton , physics , coupling (piping) , nonlinear optics , field (mathematics) , raman scattering , nonlinear system , superfluidity , quantum optics , raman spectroscopy , optoelectronics , laser , quantum mechanics , materials science , mathematics , pure mathematics , metallurgy
Strong coupling is a distinct light–matter interaction regime, in which the interaction is manifested in coherent oscillations of energy between matter and a photonic subsystem. The consequence of such a strong coupling is the adjustment of the energy states of molecules and materials, which can bring about fascinating chemical and physical properties, and therefore result in advanced applications in many fields such as Bose–Einstein condensation and coherent emission, polariton lasing, superfluidity, quantum information processing, Raman scattering, chemical landscape, etc. Recently, strong coupling has also demonstrated profound impacts on the nonlinear optical (NLO) properties of molecular materials. In this review, the recent research progress in the field of strongly coupled systems for NLO applications is summarized. The underlying concepts and the detailed features of strongly coupled molecular systems are introduced, and the NLO characteristics of strongly coupled systems are reviewed. Finally, an outlook of future directions for this emerging field is given.