Whispering-gallery modes and radial modes in quantum-dot microdisks were observed at 77 K and RT, respectively. The quality factor at 77 K is determined to be larger than 14000. The radial modes can be suppressed with embedding a hole at the microdisk center.
Published in:
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Date of Conference: 21-25 Oct. 2007