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High-quality-factor quantum-dot microdisk lasers and their modal behaviors

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4 Author(s)
H. C. Chien ; Department of Electrical Engineering, Graduate Institute of Electronics Engineering, Graduate Institute of Electro-Optical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan 106, R.O.C. Tel: +886 2 33663703, E-mail: ; C. -A. Chen ; D. -C. Wu ; M. -H. Mao

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