Title :
High-quality-factor quantum-dot microdisk lasers and their modal behaviors
Author :
Chien, H.C. ; Chen, C.-A. ; Wu, D.-C. ; Mao, M.-H.
Author_Institution :
Nat. Taiwan Univ., Taipei
Abstract :
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.
Keywords :
microdisc lasers; quantum dot lasers; whispering gallery modes; quantum-dot microdisk lasers; radial modes; temperature 77 K; whispering-gallery modes; Charge coupled devices; Etching; Laser modes; Quantum dot lasers; Quantum dots; Resonance; Scanning electron microscopy; Sensor arrays; Temperature measurement; Whispering gallery modes;
Conference_Titel :
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
978-1-4244-0925-9
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382261