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Investigations of laser array for parallel optical data link applications

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5 Author(s)
Dutta, N.K. ; AT&T Bell Laboratories, Murray Hill, New Jersey 07974 ; Wang, S.J. ; Wynn, J.D. ; Lopata, J.
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Very low threshold (Ith∼1 mA) lasers emitting near 1.3 μm have been fabricated using multiquantum‐well active region, short cavity length, and high reflectivity facet coatings. A laser‐array transmitter utilizing these lasers can be operated without prebias and has negligible timing skew for 1 Gb/s operation. No crosstalk is observed when adjacent elements of the laser array are modulated.

Published in:

Applied Physics Letters  (Volume:61 ,  Issue: 2 )