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Proceedings Paper

PDMS quasi-droplet microbubble resonator
Author(s): Jonathan M. Ward; Yong Yang; Síle Nic Chormaic
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Paper Abstract

A thin-walled microbubble whispering gallery resonator was fabricated and filled with a polymer (Polydimethylsiloxane : PDMS) to form a polymer quasi-droplet optical microcavity. The thermal shifting of the whispering gallery modes (WGMs) was studied pre and post curing of the polymer. In both cases, large thermal shifts were observed. However, the sign of the shift changed as the polymer hardened. The final state of the cavity showed a large red shift of the modes. Complex mode mixing was also observed which results in EIT (electromagnetically induced transparency) and Fano-like resonances. The time response of the polymer-filled bubble was investigated demonstrating regenerative self-oscillation for a fixed laser detuning with a low threshold power.

Paper Details

Date Published: 3 March 2015
PDF: 7 pages
Proc. SPIE 9343, Laser Resonators, Microresonators, and Beam Control XVII, 934314 (3 March 2015); doi: 10.1117/12.2078658
Show Author Affiliations
Jonathan M. Ward, Okinawa Institute of Science and Technology Graduate Univ. (Japan)
Yong Yang, Okinawa Institute of Science and Technology Graduate Univ. (Japan)
Síle Nic Chormaic, Okinawa Institute of Science and Technology Graduate Univ. (Japan)


Published in SPIE Proceedings Vol. 9343:
Laser Resonators, Microresonators, and Beam Control XVII
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Lutz Aschke; Kunihiko Washio, Editor(s)

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