BER Degradation by Signal-Reshaping Processors With Noninstantaneous Response

Author

Lakoba, Taras I.

Author_Institution

Dept. of Math. & Stat., Univ. of Vermont, Burlington, VT

Volume

27

Issue

10

fYear

2009

fDate

5/15/2009 12:00:00 AM

Firstpage

1379

Lastpage

1386

Abstract

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.

Keywords

error statistics; optical fibre communication; optical information processing; optical receivers; optical repeaters; optical wavelength conversion; BER degradation; all-optical 2R regenerators; optical fibre communication; optical receiver; signal bit error rate; signal reamplification; signal-reshaping processor; wavelength converter; All-optical regeneration; digital signal processors; optical communication; optical fiber communication; optical signal detection; optical signal processing; signal detection; signal processing; transfer functions;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2009.2014976

Filename

4895333