Nonlinear resonance-assisted tunneling induced by microcavity deformation

Scientific Reports
Hojeong KwakKyungwon An

Abstract

Noncircular two-dimensional microcavities support directional output and strong confinement of light, making them suitable for various photonics applications. It is now of primary interest to control the interactions among the cavity modes since novel functionality and enhanced light-matter coupling can be realized through intermode interactions. However, the interaction Hamiltonian induced by cavity deformation is basically unknown, limiting practical utilization of intermode interactions. Here we present the first experimental observation of resonance-assisted tunneling in a deformed two-dimensional microcavity. It is this tunneling mechanism that induces strong inter-mode interactions in mixed phase space as their strength can be directly obtained from a separatrix area in the phase space of intracavity ray dynamics. A selection rule for strong interactions is also found in terms of angular quantum numbers. Our findings, applicable to other physical systems in mixed phase space, make the interaction control more accessible.

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Citations

Feb 26, 2016·The Journal of Physical Chemistry. a·F RevueltaF Borondo
Jan 26, 2016·Scientific Reports·Songky MoonKyungwon An
Jan 15, 2016·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Diego A Wisniacki, Peter Schlagheck
Jan 14, 2017·Physical Review. E·Normann MertigRoland Ketzmerick
May 22, 2019·Physical Review. E·Markus FirmbachArnd Bäcker
Nov 28, 2019·Physical Review. E·Felix FritzschArnd Bäcker
Sep 19, 2015·Physical Review Letters·Stefan GehlerHans-Jürgen Stöckmann
Mar 17, 2017·Physical Review. E·Felix FritzschNormann Mertig
Jan 9, 2017·The Journal of Chemical Physics·F RevueltaF Borondo
Nov 9, 2019·Physical Review Letters·Li-Kun ChenYun-Feng Xiao
Sep 15, 2016·Physical Review. E·Julius Kullig, Jan Wiersig
Mar 17, 2018·Physical Review Letters·Chang-Hwan YiJan Wiersig
Jul 1, 2021·Light, Science & Applications·Shuai WangQinghai Song

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