NDLI: Optical frequency comb generator for coherent WDM system in Tb/s applications

Content Provider	IEEE Xplore Digital Library
Author	Pataca, D.M. Simoes, F.D. de Lacerda Rocha, M.
Copyright Year	2011
Description	Author affiliation: Optical Transmission Group, CPqD Foundation, Campinas, Brazil (Pataca, D.M.; Simoes, F.D.) \|\| Electrical Engineering Department, Engineering School of São Carlos, University of São Paulo, São Carlos, Brazil (de Lacerda Rocha, M.)
Abstract	This paper presents a theoretical analysis and an experimental demonstration of an optical comb generator. Based on the recirculating frequency shifting technique, it targets high capacity applications that require high spectral efficiency and dispersion resilient transmission, such as optical orthogonal frequency division multiplexing (OFDM). The generator relies on the use of coherent and orthogonal multi-carrier (Coherent WDM) that makes use of a single laser source (seed). As far as we know, the theoretical model described here is presented for the first time. We experimentally demonstrate the generation of 26 comb lines with optical signal to noise ratio from 25 to 35 dB, in a spectral window of ~ 4 nm. The theoretical analysis prediction has shown excellent agreement with the experimental results.
Starting Page	30
Ending Page	34
File Size	581460
Page Count	5
File Format	PDF
ISBN	9781457716621
e-ISBN	9781457716645
DOI	10.1109/IMOC.2011.6169302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-29
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical amplifiers Optical filters Optical noise Frequency modulation Optical transmitters Optical modulation Fiber optics superchannel Coherent WDM comb generator high capacity optical transmission optical orthogonal frequency multiplexing recirculating frequency shifting
Content Type	Text
Resource Type	Article

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Design of a comb generator for high capacity coherent-WDM systems

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