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- Title
Transporting the Optical Chirality through the Dynamical Barriers in Optical Microcavities.
- Authors
Liu, Shuai; Wiersig, Jan; Sun, Wenzhao; Fan, Yubin; Ge, Li; Yang, Jinkyu; Xiao, Shumin; Song, Qinghai; Cao, Hui
- Abstract
In mixed phase space structures, the stable islands and chaotic sea are separated by dynamical barriers. Considering the small tunneling rate, intuitively, the properties of long‐lived resonances within stable islands are supposed to be less affected by the perturbations in chaotic sea. Here, the modifications on the chaotic sea which can be transported through dynamical barriers and strongly affect long‐lived resonances within stable islands are experimentally demonstrated. In waveguide‐connected quadruple microdisks (WCQMs), the finite orbital angular momentum and the propagation directions of long‐lived resonances within stable islands could be changed and controlled by the waveguides connecting to the chaotic sea. The numerical calculations and the corresponding 4 × 4 non‐Hermitian Hamiltonian theoretical model match the experimental results well and demonstrate the essential roles of asymmetrical scattering in the chaotic sea and chaotic‐to‐regular tunneling. This research will be interesting for fundamental studies on quantum chaos and practical applications in optical sensing. Systems with mixed phase space structures are fundamentally important for quantum chaos, tunneling, and their practical applications. Until now, most of research is focused on tunneling from regular states to the chaotic sea. The reversal process, chaotic‐to‐regular tunneling, is usually neglected due to its rapid leakage and small tunneling probability. Here, changes in chaotic sea are transported through dynamical barriers and strongly affect long‐lived resonances within stable islands.
- Subjects
CHIRALITY; ECOLOGICAL disturbances; RESONATORS; MICROCAVITY lasers; QUANTUM chaos
- Publication
Laser & Photonics Reviews, 2018, Vol 12, Issue 10, pN.PAG
- ISSN
1863-8880
- Publication type
Article
- DOI
10.1002/lpor.201800027