Title :
In-line phase-sensitive amplifier for QPSK signal using multiple QPM LiNbO3 waveguide
Author :
Asobe, M. ; Umeki, T. ; Takenouchi, H. ; Miyamoto, Yutaka
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
The carrier phase of a QPSK signal is recovered using multistage frequency mixing in a multiple quasi-phase-matched LiNbO3. QPSK signal regeneration is demonstrated in a PPLN-based PSA for the first time.
Keywords :
lithium compounds; optical fibre amplifiers; optical phase matching; quadrature phase shift keying; LiNbO3; PPLN-based PSA; QPSK signal regeneration; carrier phase; in-line phase-sensitive amplifier; multiple QPM waveguide; multiple quasiphase-matched lithium niobate; multistage frequency mixing; Gain; Lithium niobate; Noise; Optical fiber amplifiers; Phase shift keying;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto
