Anti-competition of laser modes in semiconductor lasers
Resource
SPIE, Proceedings,5349
Proceedings of SPIE 5349: 247
Journal
Proceedings of SPIE - The International Society for Optical Engineering
Journal Volume
5349
Journal Issue
247
Pages
247-254
Date Issued
2004
Date
2004
Author(s)
Abstract
Anti-competition of laser modes is observed in dual-wavelength semiconductor lasers with single gain medium. Under anti-competition, the increase of intensity of one lasing mode could enhance the intensity of another mode, which is opposite to the usual mode competition. In our experiment, anti-competition can be observed for wavelength separation larger than 111 nm, and gradually disappears for wavelength separation less than 100 nm. Besides, anti-competition can also be influenced by the intensity and the wavelength position of both modes. A simple theoretical analysis shows that anti-competition is due to the physics similar to optical pumping.
Type
conference paper
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