High-power TQW AlGaAs laser with new inner-stripe structure

Akihiro Shima; T. Miura; T. Shiba; Tomoko Kadowaki; N. Hayafuji; Motoharu Miyashita; S. Karakida; Nobuaki Kaneno; H. Kizuki; Etsuji Omura; Masao Aiga; Kenji Ikeda

doi:10.1117/12.59151

26 June 1992 High-power TQW AlGaAs laser with new inner-stripe structure

Akihiro Shima, T. Miura, T. Shiba, Tomoko Kadowaki, N. Hayafuji, Motoharu Miyashita, S. Karakida, Nobuaki Kaneno, H. Kizuki, Etsuji Omura, Masao Aiga, Kenji Ikeda

Author Affiliations +

Proceedings Volume 1634, Laser Diode Technology and Applications IV; (1992) https://doi.org/10.1117/12.59151
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

An approach to mass-production of triple quantum well lasers with a buried-ridge, loss-guided inner-stripe structure is demonstrated, using a large-scale metalorganic chemical vapor deposition. The lasers obtained from nine epi-wafers grown at one time show the uniform characteristics. In regard to high-power characteristics, the fundamental transverse mode up to 100mW and the maximum output power of - 170mW are realized at room temperature. Even at 95 C, the light output power of 100mW is obtained. The lasers have been operating over 1000 hours without failure at 6O C, 50mW. To realize the further uniformity and reproducibility of the laser characteristics, we have Introduced a newly developed etching method with an etching stop layer in the ridge formation.

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Akihiro Shima, T. Miura, T. Shiba, Tomoko Kadowaki, N. Hayafuji, Motoharu Miyashita, S. Karakida, Nobuaki Kaneno, H. Kizuki, Etsuji Omura, Masao Aiga, and Kenji Ikeda "High-power TQW AlGaAs laser with new inner-stripe structure", Proc. SPIE 1634, Laser Diode Technology and Applications IV, (26 June 1992); https://doi.org/10.1117/12.59151

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