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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CMI3

Efficient vertical-cavity surface-emitting lasers with a thermally stable threshold-voltage and a wide cw operating temperature range (90K to 400K)

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Abstract

The vertical-cavity surface-emitting laser (VCSEL) is a promising source for optical interconnection and communication networks, but is limited by the low efficiency and high series resistance that are caused in part by the potential barriers at the AlxGa1-xAs/AlAs heterojunction interfaces of its DBR mirrors. Various schemes have been used to grade these interfaces to reduce the energy barriers, with step-grading as the most common.

© 1994 Optical Society of America

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