Highly reliable 685-nm 50-mW visible lasers with Zn-diffused windows

Hitoshi Tada; Ken Harada; Akihiro Shima; Shin'ichi Yamamura; Munehiro Kato; T. Motoda; Y. Nagai; Kouki Nagahama; Mutuyuki Otsubo; Masao Aiga

doi:10.1117/12.237647

12 April 1996 Highly reliable 685-nm 50-mW visible lasers with Zn-diffused windows

Hitoshi Tada, Ken Harada, Akihiro Shima, Shin'ichi Yamamura, Munehiro Kato, T. Motoda, Y. Nagai, Kouki Nagahama, Mutuyuki Otsubo, Masao Aiga

Author Affiliations +

Proceedings Volume 2682, Laser Diodes and Applications II; (1996) https://doi.org/10.1117/12.237647
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

High-power, highly reliable 685 nm Zn-diffused type window structure laser diodes (LDs) are developed using 3-inch (phi) wafers. The lasers have exhibited over 7000 hours operation under the condition of 60 degrees Celsius, 50 mW. In addition, over 4000 hours operation under the condition of 60 degrees Celsius, 60 mW is also achieved. These LDs are fabricated by well controlled 3-inch full wafer processing. The window regions near both facets consist of the disordered GaInP wells formed by an open-tube solid-phase Zn-diffusion technique. It is confirmed that highly uniform characteristics are achieved over the 3-inch wafer. Moreover, low astigmatic distances of less than 3 micrometer m are obtained in the range of 3 - 50 mW in spite of the window structure.

Citation Download Citation

Hitoshi Tada, Ken Harada, Akihiro Shima, Shin'ichi Yamamura, Munehiro Kato, T. Motoda, Y. Nagai, Kouki Nagahama, Mutuyuki Otsubo, and Masao Aiga "Highly reliable 685-nm 50-mW visible lasers with Zn-diffused windows", Proc. SPIE 2682, Laser Diodes and Applications II, (12 April 1996); https://doi.org/10.1117/12.237647

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