Translator Disclaimer
6 February 2020 Laser-tuned whispering gallery modes in microbottle silica resonators based on azobenzene-doped polyvinyl alcohol film
Author Affiliations +
Abstract

A laser-tuned whispering gallery mode (WGM) microbottle resonator based on ethyl-orange (EO)-doped polyvinyl alcohol (PVA) film is proposed. Due to the photo-induced isomerization feature of the azobenzene material, the WGM resonance wavelength could be tuned by controlling the power density of the lateral pumping laser at 473 nm. Experimental results indicate that the resonance wavelength tunability would generally get strengthened with the increment of the thickness of the PVA film, while it almost remains unchanged under different microresonator diameters. The proposed laser-tuned microcavity integrated with EO is anticipated to find potential applications in tunable optical filtering, optical sensing, and future all-optical network systems.

© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2020/$28.00 © 2020 SPIE
Congzhou Liang, Hao Zhang, Bo Liu, Haifeng Liu, and Jixuan Wu "Laser-tuned whispering gallery modes in microbottle silica resonators based on azobenzene-doped polyvinyl alcohol film," Optical Engineering 59(2), 027103 (6 February 2020). https://doi.org/10.1117/1.OE.59.2.027103
Received: 12 December 2019; Accepted: 24 January 2020; Published: 6 February 2020
JOURNAL ARTICLE
9 PAGES


SHARE
Advertisement
Advertisement
Back to Top