10 Gb/s Polarization-Insensitive OOK-to-BPSK Modulation Format Conversion Using a Single SOA, and Its Performance in OOK/DBPSK Mixed-Modulation Format, Long-Haul DWDM Transmission

Title	10 Gb/s Polarization-Insensitive OOK-to-BPSK Modulation Format Conversion Using a Single SOA, and Its Performance in OOK/DBPSK Mixed-Modulation Format, Long-Haul DWDM Transmission
Author	Astar, William
Advisors	Carter, Gary M.
Program	Engineering, Electrical
UMBC Department	Computer Science and Electrical Engineering
Document Type	dissertation
Sponsors	University of Maryland, Baltimore County (UMBC)
Keywords	Engineering, Electronics and Electrical (0544);Physics, Optics (0752)
Date Issued	2008-10-08; *
Abstract	Polarization-insensitive modulation format conversion of 10 Gb/s return-to-zero (RZ) On-Off keying to binary phase-shift keying (BPSK) is achieved for the first time by transient cross-phase modulation (XPM) using a single semiconductor optical amplifier (SOA), and a detuned filter. The RZ pulse format is regenerated using a synchronous pulse carver located between the SOA and the detuned filter. Copropagation of return-to-zero differential binary phase-shift keying (RZ-DBPSK) with RZ-OOK in dense wavelength division multiplexed (DWDM) transmission has been found to be detrimental to RZ-DBPSK due to XPM-mediated power-phase conversion induced by pattern-dependent RZ-OOK. A method is proposed to alleviate this degradation, in which the impairing RZ-OOK channel is converted to RZ-BPSK in a SOA prior to 50-GHz-spaced DWDM transmission. The data format conversion completely compensates for the XPM degradation, while resulting in an optical signal-to-noise ratio (OSNR) transmission penalty of < 2 dB for converted RZ-BPSK relative to original RZ-OOK.
Identifier	1245
Format	application:pdf
Language	en
Collection	UMBC Theses and Dissertations
Rights Statement	This item may be protected under Title 17 of the U.S. Copyright Law. It is made available by UMBC for non-commercial research and education. For permission to publish or reproduce, please see http://aok.lib.umbc.edu/specoll/repro.php or contact Special Collections at speccoll(at)umbc.edu.

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10 Gb/s Polarization-Insensitive OOK-to-BPSK Modulation Format Conversion Using a Single SOA, and Its Performance in OOK/DBPSK Mixed-Modulation Format, Long-Haul DWDM Transmission

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