U-groove distributed-feedback lasers

Ching Long Jiang; David Wolf; Ami Appelbaum; Daniel S. Renner

doi:10.1117/12.18270

1 May 1990 U-groove distributed-feedback lasers

Ching Long Jiang, David Wolf, Ami Appelbaum, Daniel S. Renner

Proceedings Volume 1219, Laser Diode Technology and Applications II; (1990) https://doi.org/10.1117/12.18270
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

A novel U-groove distributed feedback (U-DFB) laser structure is reported for the first time. This new U-DFB laser shows threshold current of 34 mA, external total quantum efficiency of 0.4 mW/mA from both facets and side mode suppression ratio of 30 dB.

Citation Download Citation

Ching Long Jiang, David Wolf, Ami Appelbaum, and Daniel S. Renner "U-groove distributed-feedback lasers", Proc. SPIE 1219, Laser Diode Technology and Applications II, (1 May 1990); https://doi.org/10.1117/12.18270

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