Single longitudinal mode characteristics of short-coupled-cavity (SCC) semiconductor lasers
Journal Article
·
· Chin. Phys.; (United States)
OSTI ID:6798834
By introducing an additional loss parameter for the description of SCC and developing a model of modified multimode rate equations, the mode selection mechanism and characteristics of SCC semiconductor lasers have been investigated theoretically. It is found that an antireflection coating on the end facet of a laser diode is necessary for high-quality single longitudinal mode operation. Based on the theoretical results, a new type of miniature SCC laser has been constructed and demonstrated. Single mode outputs with 35--40 dB side mode suppression ratio have been obtained under CW and 150 MHz modulation conditions.
- Research Organization:
- Department of Radio Electronics, Tsinghua University, Beijing
- OSTI ID:
- 6798834
- Journal Information:
- Chin. Phys.; (United States), Journal Name: Chin. Phys.; (United States) Vol. 7:2; ISSN CHPHD
- Country of Publication:
- United States
- Language:
- English
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