A modified NALM setup for phase-preserving amplitude regeneration of WDM-DPSK signals is proposed. Demultiplexing-multiplexing within the NALM fiber loop is used to avoid WDM channel crosstalk. A negative power penalty of 1.2 dB was obtained.
© 2008 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5060) Fiber optics and optical communications : Phase modulation
(230.0230) Optical devices : Optical devices
(230.1150) Optical devices : All-optical devices
K. Cvecek, K. Sponsel, C. Stephan, G. Onishchukov, R. Ludwig, C. Schubert, B. Schmauss, and G. Leuchs, "Phase-Preserving 2R Regeneration of a WDM RZ-DPSK Signal Using a Nonlinear Amplifying Loop Mirror," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OWS3.
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