Pilot-tone-based WDM monitoring technique for DPSK systems

To evaluate the effectiveness of the pilot-tone-based monitoring technique in differential phase-shift keying (DPSK) systems, we measure the mutual interactions between the pilot tones and DPSK signals and compare the results with those of ON-OFF keying (OOK) signals. The results show that, by using the DPSK format instead of OOK, it is possible to increase the number of wavelength-division-multiplexed channels that can be monitored simultaneously by using pilot tones without using optical demultiplexers by more than one hundred times.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2006-09
Language
ENG
Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.18, pp.2171 - 2173

ISSN
1041-1135
DOI
10.1109/LPT.2006.884237
URI
http://hdl.handle.net/10203/1253
Appears in Collection
EE-Journal Papers(저널논문)
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