Measurement of Sub-1dB Noise Figure in a Non-Degenerate Cascaded Phase-Sensitive Fibre Parametric Amplifier

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Tong, Zhi; Lundström, Carl; Karlsson, Magnus; Andrekson, Peter (Photonics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, 41296 Gothenburg, Sweden)
Bogris, Antonis; Syvridis, Dimitris (Department of Informatics and Telecommunications, National and Kapodistrian University of Athens, Athens, Greece)

Noise figure (NF) spectrum as well as its signal-power-dependence in a non-degenerate cascaded phase-sensitive fibre parametric amplifier was characterized. A 0.8dB NF (2dB below the conventional quantum limit) was achieved at 11dB gain.