DocumentCode
1069072
Title
Quantum limit of direct-detection receivers using duobinary transmission
Author
Bosco, G. ; Carena, A. ; Curri, V. ; Gaudino, R. ; Poggiolini, P.
Author_Institution
Dipt. di Elettronica, Politecnico di Torino, Italy
Volume
15
Issue
1
fYear
2003
Firstpage
102
Lastpage
104
Abstract
In this letter, a rigorous analysis defining the fundamental limits of direct-detection optically preamplified receivers using duobinary transmission is presented, showing that the quantum limit of duobinary can exceed that of IMDD by 0.91 dB. In addition, we show through simulation that a practical duobinary implementation can closely approach such performance.
Keywords
optical modulation; optical receivers; quantum optics; wavelength division multiplexing; DWDM; direct-detection optically preamplified receivers; direct-detection receivers; duobinary transmission; fundamental limits; quantum limit; rigorous analysis; wavelength-division multiplexing; Bit error rate; Matched filters; Noise shaping; Optical filters; Optical modulation; Optical noise; Optical pulse shaping; Optical receivers; Optical sensors; Signal to noise ratio;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2002.805787
Filename
1159076
Link To Document