Generalised expression of the noise figure of phase sensitive amplifiers for an arbitrary number of modes

no code implementations • 16 Dec 2020 • Yousra Bouasria, Debanuj Chatterjee, Fabienne Goldfarb, Yassine Hassouni, Fabien Bretenaker

Phase sensitive amplifiers (PSA), contrary to usual phase insensitive amplifiers (PIA), are in principle capable to achieve noiseless amplification, i. e. exhibit a quantum-limited noise figure (NF) of 0 dB.

Quantum Physics Optics

Investigation of analog signal distortion introduced by a fiber phase sensitive amplifier

no code implementations • 10 Sep 2020 • Debanuj Chatterjee, Yousra Bouasria, Weilin Xie, Tarek Labidi, Fabienne Goldfarb, Ihsan Fsaifes, Fabien Bretenaker

We numerically simulate the distortion of an analog signal carried in a microwave photonics link containing a phase sensitive amplifier (PSA), focusing mainly on amplitude modulation format.