Observations of interior whispering gallery modes in asymmetric optical resonators with rational caustics

Abstract

We propose asymmetric resonant cavities with rational caustics and experimentally demonstrate interior whispering gallery modes in monolithic silicon mesoscopic microcavities. These microcavities demonstrate unique robustness of cavity quality factor (Q) against roughness Rayleigh scattering. Angle-resolved tapered fiber measurements and near-field images observe distinct resonant families and asymmetric emission from interior whispering gallery modes, which can be used for microcavity laser and CQED applications.

11 pages, 4 figures

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Cited by in corpus (5)

• Chaotic Microcavity Laser with Low threshold and Unidirectional Output
• Demonstration of an air-slot mode-gap confined photonic crystal slab nanocavity with ultrasmall mode volumes
• Local chirality of optical waves in ultrasmall resonators
• Extreme Sensitivity of Output Directionality to Boundary Perturbation in Wavelength-Scale Microcavities
• Phase stability and structural properties of the K${}_x$Ca${}_{1-x}$N novel ferromagnetic alloy from first-principles