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Asymmetric cladding InGaAs-GaAs-AlGaAs ridge waveguide distributed Bragg reflector lasers with operating wavelengths of 915-935 nm

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7 Author(s)
Roh, S.D. ; Microelectron. Lab., Illinois Univ., Urbana, IL, USA ; Hughes, J.S. ; Lammert, R.M. ; Osowski, M.L.
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The design and operation of InGaAs-GaAs-AlGaAs asymmetric cladding ridge waveguide distributed Bragg reflector lasers is presented. Targeted for the remote sensing of water vapor with absorption lines in the /spl lambda//spl sim/930 nm region, these devices operate CW with threshold currents as low as 11 mA and slope efficiencies as high as 0.37 W/A. They also operate with over 30-dB side-mode suppression, and the typical CW characteristic temperature, T/sub 0/, is 95 K.

Published in:

Photonics Technology Letters, IEEE  (Volume:9 ,  Issue: 3 )