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1 August 2021 Mechanical quasinormal mode theory of elastic Purcell factors: Fano resonances and Q-factor enhancements in optomechanical beams
Waleed El-Sayed, Stephen Hughes
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Proceedings Volume 11796, Active Photonic Platforms XIII; 117961N (2021) https://doi.org/10.1117/12.2593902
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
The ability to describe optical cavity physics in terms of normalized modes and cavity figures of merit has played a key role in laser optics and cavity quantum electrodynamics. In mechanics, however, cavity mode theories are less well developed. We will present some recent developments in the accurate modelling of mechanical open cavities. Using a quasinormal mode theory for mechanics, we accurately describe dissipative cavity modes while preserving their phase properties, providing a robust tool for describing coupled optomechanical cavities exhibiting complex elastic Fano resonances and exceptionally large enhancements of the mechanical quality factors.
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Waleed El-Sayed and Stephen Hughes "Mechanical quasinormal mode theory of elastic Purcell factors: Fano resonances and Q-factor enhancements in optomechanical beams", Proc. SPIE 11796, Active Photonic Platforms XIII, 117961N (1 August 2021); https://doi.org/10.1117/12.2593902
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KEYWORDS
Resonators
Mechanical engineering
Mechanics
Optical resonators
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