Title :
Whispering-gallery modes and Purcell effect in a Si-nanocrystal-based single microdisk resonator
Author :
Ghulinyan, M. ; Navarro-Urrios, D. ; Pitanti, A. ; Lui, A. ; Pucker, G. ; Pavesi, L.
Author_Institution :
Micro-Technol. Lab., Fondazione Bruno Kessler, Trento
Abstract :
We report on visible light WGM emission from Si-nanocrystal-based all-active microdisk resonators. The observed significant, 13-fold mode narrowing (Q~2800) at lowest excitation powers is attributed to the attenuation of pump-induced excited carrier absorption loss mechanism.
Keywords :
elemental semiconductors; micromechanical resonators; nanostructured materials; optical losses; optical pumping; optical resonators; silicon; whispering gallery modes; 13-fold mode narrowing; Purcell effect; Si; Si-nanocrystal-based single microdisk resonator; pump-induced excited carrier absorption loss; whispering-gallery modes; Electromagnetic wave absorption; Laboratories; Laser excitation; Optical attenuators; Optical resonators; Optical superlattices; Q factor; Silicon; Temperature measurement; Whispering gallery modes;
Conference_Titel :
Group IV Photonics, 2008 5th IEEE International Conference on
Conference_Location :
Cardiff
Print_ISBN :
978-1-4244-1769-8
Electronic_ISBN :
978-1-4244-1768-1
DOI :
10.1109/GROUP4.2008.4638153
