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- Title
Dynamic modulation of multi-mode ultra-strong coupling at ambient conditions.
- Authors
Ren, Tianhang; Huang, Yuming; Sun, Qingan; Jin, Lei; Wang, Yilin; Yu, Li; Liang, Kun
- Abstract
We theoretically investigated the multi-mode coupling among the localized surface plasmon resonance, the lattice mode in Ag nanorod array, and the resonant Fabry–Perot microcavity using the finite-difference time-domain (FDTD) method. A huge Rabi splitting of 1.46 eV and anti-crossing behavior in the new established hybrid modes are observed in the calculated absorption spectra of the hybrid nanostructure. The coupling system can be controlled by adjusting the thickness of the Fabry–Perot microcavity. We further analyze the weighting efficiencies of each original mode by calculating the Hopfield factor using the coupled oscillator model. Our work proposes the tunable multi-mode ultra-strong coupling system, which paves the way for room-temperature quantum applications such as optical modulators, multi-mode lasers, and multi-mode sensors in the optical and infrared ranges.
- Subjects
RABI oscillations; OPTICAL modulators; SURFACE plasmon resonance; INFRARED lasers; ABSORPTION spectra; OPTICAL sensors
- Publication
European Physical Journal D (EPJ D), 2022, Vol 76, Issue 10, p1
- ISSN
1434-6060
- Publication type
Article
- DOI
10.1140/epjd/s10053-022-00521-4