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Generation of BER floors from laser diode chirp noise

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1 Author(s)
Andersson, P.O. ; Ericsson Telecom AB, Stockholm, Sweden

The spectral variations (chirp noise) that accompanies laser turn-on noise may generate BER floors at medium distances (>or=40 km) in dispersive Gbit/s links. The bias penalty necessary to avoid these floors is determined by the precision of the used drive circuitry, and can easily amount to 1-2 dB.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 5 )