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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 27, Iss. 10 — May. 15, 2009
  • pp: 1379–1386

BER Degradation by Signal-Reshaping Processors With Noninstantaneous Response

Taras I. Lakoba

Journal of Lightwave Technology, Vol. 27, Issue 10, pp. 1379-1386 (2009)

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We show analytically that if the response of a signal-reshaping processor is slower than (or comparable to) the time scale of variations of the temporal profile of the input signal, then such a processor necessarily degrades the signal's bit error rate (BER). Here, the BER comparison is made for the cases where the receiver is placed immediately before and immediately after the processor. As primary examples of such processors, we consider all-optical 2R (reamplification and reshaping) regenerators, but also mention that the aforementioned BER degradation can occur in wavelength converters and electronic components of the receiver.

© 2009 IEEE

Taras I. Lakoba, "BER Degradation by Signal-Reshaping Processors With Noninstantaneous Response," J. Lightwave Technol. 27, 1379-1386 (2009)

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