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Transistor Laser Power Stabilization Using Direct Collector Current Feedback Control

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2 Author(s)
Iverson, E.W. ; Dept. of Electr. & Comput. Eng., Univ. of Illinois Urbana-Champaign, Urbana, IL, USA ; Milton Feng

An automatic laser power control scheme for the transistor laser has been developed and demonstrated using the transistor laser collector current output. The collector current enables an all-electrical feedback solution for laser power control, obviating the need for a hybrid integrated monitor photodiode. This control scheme enables the simple monolithic integration of the transistor laser and its power control circuits on a single die.

Published in:

Photonics Technology Letters, IEEE  (Volume:24 ,  Issue: 1 )