18 June 2004 Anti-competition of laser modes in semiconductor lasers
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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.
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Chi-Chia C. Huang, Chi-Chia C. Huang, Ching-Fuh F. Lin, Ching-Fuh F. Lin, Yu-Chen Yu, Yu-Chen Yu, Yi-Xiong Lin, Yi-Xiong Lin, "Anti-competition of laser modes in semiconductor lasers", Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); doi: 10.1117/12.525586; https://doi.org/10.1117/12.525586

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