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Characteristics of Edge-Emitting Bragg Reflection Waveguide Lasers

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4 Author(s)
Cunzhu Tong ; Sr. Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada ; Bijlani, B.J. ; Alali, S. ; Helmy, Amr S.

We demonstrate experimentally the stable continuous-wave (CW) single-mode operation of Bragg reflection waveguide (BRW) lasers from 10 to 100°C. The threshold characteristics, quantum efficiency, gain, and self-heating characteristics are investigated in detail. Threefold enhancement in the optical confinement is achieved using these BRW structures for a core width two times that of their edge-emitting total internal reflection counterparts. The device shows also the high gain and characteristic temperature (~197 K) under CW operation from 10 to 100°C. The mode stability is analyzed by the calculated mode reflection spectrum, injection-current-dependent lasing spectrum, and near-field patterns.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 11 )

Date of Publication:

Nov. 2010

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