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High power emission from strained DQW circular-grating surface-emitting DBR lasers

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5 Author(s)
Fallahi, M. ; Nat. Res. Council of Canada, Ottawa, Ont., Canada ; Dion, M. ; Chatenoud, F. ; Templeton, I.M.
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High power operation of circular-grating surface-emitting distributed Bragg reflector lasers is demonstrated. The structure is a strained InGaAs/GaAs double quantum well grown by one step MBE. Circular gratings are defined by electron beam lithography. A surface emission power over 100mW is obtained.

Published in:

Electronics Letters  (Volume:29 ,  Issue: 24 )