Cost-effective 10-Gb/s optical duobinary transmission systems using a nonbuffered x-cut LiNbO3 Mach-Zehnder modulator

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We demonstrate a cost-effective method to implement a 10-Gb/s optical duobinary transmitter using a simple nonbuffered x-cut LiNbO3 Mach-Zehnder (MZ) modulator. The bandwidth of the modulator used in our experimental demonstration is 4 GHz. The duobinary signal generated from the nonbuffered MZ modulator exhibits a similar performance to the one using a 9-GHz bandwidth buffered MZ modulator, in terms of dispersion and self-phase modulation tolerance. Thus, the use of cost-effective nonbuffered x-cut MZ modulators will substantially relax the cost issues of duobinary transmitters, by offsetting the cost of the precoder and the encoder which are not needed in conventional ON-OFF keying transmitters.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2004-04
Language
English
Article Type
Article
Keywords

TRANSMITTER; PERFORMANCE; BANDWIDTH; FIBER

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.16, no.4, pp.1188 - 1190

ISSN
1041-1135
DOI
10.1109/LPT.2004.824660
URI
http://hdl.handle.net/10203/201834
Appears in Collection
EE-Journal Papers(저널논문)
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