Tweezers controlled resonator
Samuel Kaminski, Leopoldo L. Martin, Tal Carmon

TL;DR
This paper demonstrates the use of optical tweezers to trap and tune microdroplet resonators, achieving high-quality factors and precise coupling control for potential applications in micro-optics.
Contribution
It introduces a novel method of combining optical tweezers with microresonator fabrication and tuning, enabling precise control over coupling regimes.
Findings
Achieved an optical Q of 12 million.
Successfully tuned coupling from under-coupled to critically coupled.
Demonstrated microresonator size at 85 microns.
Abstract
We experimentally demonstrate trapping a microdroplet with an optical tweezer and then enabling it as a microresonator by bringing it close to a tapered fiber coupler. Our tweezers facilitated the tuning of the coupling from the under-coupled to the critically coupled regime with an optical Q of 12 million and microresonator size at the 85 mirons scale.
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Taxonomy
TopicsPhotonic and Optical Devices · Mechanical and Optical Resonators · Orbital Angular Momentum in Optics
