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Narrow guard-band distributed Nyquist-WDM using fiber frequency conversion

: Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Kato, T.; Watanabe, S.; Schubert, C.

Institute of Electrical and Electronics Engineers -IEEE-; Optical Society of America -OSA-, Washington/D.C.:
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2013 : Anaheim, California, USA, 17 - 21 March 2013
New York, NY: IEEE, 2013
ISBN: 978-1-4799-0457-0 (Print)
ISBN: 978-1-55752-962-6
3 pp.
Optical Fiber Communication Conference and Exposition (OFC) <2013, Anaheim/Calif.>
National Fiber Optic Engineers Conference (NFOEC) <2013, Anaheim/Calif.>
Conference Paper
Fraunhofer HHI ()

We present distributed Nyquist wavelength-division multiplexing experiments with four 25-GBd quadrature phase-shift keying modulation channels having 4% guard-band. Optical fiber-frequency conversion ensures accurate remote optical frequency alignment of the channels.