Title :
Dynamical photothermal response of optical whispering-gallery silica microresonators in helium-4 cryogenic environments
Author :
Zhou, Xiaoqing ; Rivière, Rémi ; Arcizet, Olivier ; Schliesser, Albert ; Kippenberg, Tobias J.
Author_Institution :
Ecole Polytech. Fed. de Lausanne (EPFL), Lausanne, Switzerland
Abstract :
We present optical measurements of the photothermal response of a whispering-gallery silica microresonator in a helium-4 exchange gas cryostat. Using transient-mode numerical simulations, we discuss the various heat propagation mechanisms.
Keywords :
cryostats; helium; microcavities; micromechanical resonators; numerical analysis; photothermal effects; silicon compounds; whispering gallery modes; SiO2; dynamical photothermal response; heat propagation mechanisms; helium-4 cryogenic environments; helium-4 exchange gas cryostat; optical measurements; optical whispering-gallery silica microresonators; transient-mode numerical simulations; Cryogenics; Heating; Microcavities; Optical polarization; Optical pumping; Silicon compounds;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
