Unidirectional light emission from high-Q modes in optical microcavities
Jan Wiersig, Martina Hentschel
TL;DR
This paper presents a novel design for optical microcavities that enables high-quality, unidirectional light emission by coupling modes through dynamical tunneling, demonstrated via numerical simulations.
Contribution
The paper introduces a new scheme for achieving unidirectional emission in high-Q microcavities using mode coupling via dynamical tunneling near avoided resonance crossings.
Findings
Numerical simulations confirm the feasibility of the proposed design.
Coupling between low-Q and high-Q modes enables unidirectional emission.
Potential applications in optical devices are demonstrated.
Abstract
We introduce a new scheme to design optical microcavities supporting high-Q modes with unidirectional light emission. This is achieved by coupling a low-Q mode with unidirectional emission to a high-Q mode. The coupling is due to enhanced dynamical tunneling near an avoided resonance crossing. Numerical results for a microdisk with a suitably positioned air hole demonstrate the feasibility and the potential of this concept.
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