Title :
Phase-sensitive amplification of 28 GBaud DP-QPSK signal
Author :
Lorences-Riesgo, A. ; Eriksson, T.A. ; Lundstrom, C. ; Karlsson, M. ; Andrekson, P.A.
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
We demonstrate, for the first time, amplification of a DP-QPSK signal using a vector phase-sensitive amplifier (PSA). The PSA-based receiver shows an about 0.7 dB sensitivity improvement compared to an EDFA-based receiver.
Keywords :
differential phase shift keying; optical fibre amplifiers; optical fibre communication; optical modulation; optical receivers; quadrature phase shift keying; DP-QPSK signal; DP-quadrature phase-shift keying signal; PSA-based receiver; phase-sensitive amplification; sensitivity improvement; vector phase-sensitive amplifier; Erbium-doped fiber amplifiers; Gain; Noise measurement; Phase shift keying; Receivers; Sensitivity; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA