Optical /pi//2-DPSK and its tolerance to filtering and polarization-mode dispersion

Optical /pi//2 differential phase-shift keying (/pi//2-DPSK) is a modulation technique which encodes the binary information in relative phase shifts of /pi//2 and -/pi//2 between adjacent optical pulses. Here, we experimentally demonstrate /pi//2-DPSK at the bit rate of 42.7 Gb/s. It is found that /...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-11, Vol.15 (11), p.1639-1641
Main Authors: Wei, X, Gnauck, A H, Gill, D M, Liu, X, Koc, U-V, Chandrasekhar, S, Raybon, G, Leuthold, J
Format: Article
Language:English
Subjects:
Filtering
Filtration
Keying
Modulation
Optical pulses
Photonics
Polarization mode dispersion
Tolerances
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Summary:Optical /pi//2 differential phase-shift keying (/pi//2-DPSK) is a modulation technique which encodes the binary information in relative phase shifts of /pi//2 and -/pi//2 between adjacent optical pulses. Here, we experimentally demonstrate /pi//2-DPSK at the bit rate of 42.7 Gb/s. It is found that /pi//2-DPSK outperforms conventional DPSK in the presence of strong optical filtering and polarization-mode dispersion (PMD).
ISSN:1041-1135
DOI:10.1109/LPT.2003.818661