We perform coherent constellation diagram measurements of phase modulated data before and after a parametric amplifier, and find a novel kind of pump-induced phase noise in the amplifier.
© 2008 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.5060) Fiber optics and optical communications : Phase modulation
M. Sköld, M. Karlsson, S. Oda, H. Sunnerud, and P. A. Andrekson, "Constellation Measurements of Induced Phase Noise in a Regenerating Parametric Amplifier," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OML4.
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