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Ultrasensitive real-time measurement of dissipation and dispersion in a whispering-gallery mode microresonator

Knittel, Joachim; Chow, Jong H; Gray, Malcolm B; Taylor, Michael A; Bowen, Warwick P


We present the characterization of the recently developed cavity enhanced amplitude modulation laser absorption spectroscopy (CEAMLAS) technique to measure dissipation within the evanescent field of a whispering-gallery mode resonator, and demonstrate the parallel use of CEAMLAS and the Pound-Drever-Hall measurement techniques to provide both dissipation and dispersive real-time microresonator measurements. Using an atomic force microscope tip, we introduce a controlled perturbation to the...[Show more]

CollectionsANU Research Publications
Date published: 2013-06-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.38.001915
Access Rights: Open Access


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