Phase-preserving amplitude regeneration for a WDM RZ-DPSK signal using a nonlinear amplifying loop mirror | Zendy

Kristian Cvecek | Zendy; K. Sponsel | Zendy; C. Stephan | Zendy; G. Onishchukov | Zendy; R. Ludwig | Zendy; Colja Schubert | Zendy; Bernhard Schmauß | Zendy; Gerd Leuchs | Zendy

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Phase-preserving amplitude regeneration for a WDM RZ-DPSK signal using a nonlinear amplifying loop mirror

Author(s) -

Kristian Cvecek,

K. Sponsel,

C. Stephan,

G. Onishchukov,

R. Ludwig,

Colja Schubert,

Bernhard Schmauß,

Gerd Leuchs

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.001923

Subject(s) - optics , wavelength division multiplexing , physics , phase (matter) , nonlinear system , loop (graph theory) , signal (programming language) , wavelength , amplitude , phase modulation , power (physics) , nonlinear optics , multiplexing , telecommunications , computer science , phase noise , mathematics , laser , combinatorics , quantum mechanics , programming language

We propose a modified nonlinear amplifying loop mirror (NALM) for phase-preserving 2R regeneration of wavelength division multiplexed (WDM) return-to-zero differential phase-shift-keyed signals. As proof of principle the regeneration capability of this NALM setup has been investigated experimentally for two 10 Gbit/s wavelength channels. A significant eye-opening improvement and a negative power penalty of 1.2 dB have been observed in both channels.

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