Title :
Measurement of sub-1dB noise figure in a non-degenerate cascaded phase-sensitive fibre parametric amplifier
Author :
Tong, Zhi ; Lundström, Carl ; Bogris, Antonis ; Karlsson, Magnus ; Andrekson, Peter ; Syvridis, Dimitris
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
Noise figure (NF) spectrum as well as its signal-power-dependence in a non-degenerate cascaded phase-sensitive fibre parametric amplifier was characterized. A 0.8 dB NF (2 dB below the conventional quantum limit) was achieved at 11 dB gain.
Keywords :
noise measurement; optical fibre amplifiers; optical fibre testing; optical parametric amplifiers; optical variables measurement; fibre optical parametric amplifiers; gain 11 dB; noise figure 0.8 dB; noise figure measurement; noise figure spectrum; nondegenerate cascaded parametric amplifier; phase-sensitive fibre parametric amplifier; signal-power-dependence; Noise figure; Noise measurement; Optical amplifiers; Optical fiber amplifiers; Optical filters; Optical noise; Optical pumping; Phase measurement; Power measurement; Quantum cascade lasers;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
