The properties of the RF spectrum allow dispersion-independent monitoring of the incoherent noise and bias drift of the data modulator in differential phase-shifted keyed (DPSK) systems, which are demonstrated at 10 Gb/s using low-speed electronics.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation
C. Dorrer and X. Liu, "Advanced optical performance monitoring of differential phase-shift keyed signal using RF spectrum analysis," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CThLL6.
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