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In this paper, we investigate the properties of transmission links amplified by phase-sensitive amplifiers (PSAs). Using an analytic description, we explain the principles enabling improved sensitivity compared to conventional links amplified by phase-insensitive amplifiers (PIAs) and mitigation of nonlinear transmission distortions. We demonstrate these features using numerical simulations, and in...
We present the first demonstration of a phase-sensitive fiber optic parametric amplifier successfully implemented over an 80km dispersion managed link. We measure 1.3dB higher sensitivity with this amplifier system against a comparable conventional EDFA-based link.
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