Symbol rate limitation due to optical filtering

Explicit expressions for the dependence of signal-to-noise ratio on the optical filter bandwidth and its slope have been obtained. The resulting expressions were confirmed experimentally. The dependencies of critical symbol rate on two parameters, namely the bandwidth and roll-off factor, were studi...

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Bibliographic Details
Published in:Laser physics letters 2022-07, Vol.19 (7), p.75101
Main Authors: Bazarov, T O, Senko, M A, Dorozhkin, A N, Starykh, D D, Nanii, O E, Treshchikov, V N
Format: Article
Language:English
Subjects:
16QAM
equalization
filtering
ISI
MMSE
QPSK
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Summary:Explicit expressions for the dependence of signal-to-noise ratio on the optical filter bandwidth and its slope have been obtained. The resulting expressions were confirmed experimentally. The dependencies of critical symbol rate on two parameters, namely the bandwidth and roll-off factor, were studied both for the case of one and several filters.
ISSN:1612-2011
1612-202X
DOI:10.1088/1612-202X/ac6b45