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: PDFPersonal VDE Members are entitled to a 10% discount on this title
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.