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Two-section distributed feedback lasers for incoherent frequency-shift-keying transmission systems

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4 Author(s)
S. J. Wang ; AT&T Bell Labs., Murray Hill, NJ, USA ; Y. Twu ; N. K. Dutta ; R. L. Hartman

Fabrication and performance characteristics of two-section distributed feedback lasers operating at 1.55 mu m are presented. Using this type of laser, a 622 Mbit/s incoherent frequency-shift-keying system over a 40 km fibre has been demonstrated with a receiver sensitivity of -41 dBm at a BER of 10-9.

Published in:

Electronics Letters  (Volume:26 ,  Issue: 16 )