TY - JOUR
T1 - All-optical regeneration of DQPSK/QPSK signals based on phase-sensitive amplification
AU - Zheng, Zheng
AU - An, Lin
AU - Li, Zheng
AU - Zhao, Xin
AU - Liu, Xiang
PY - 2008/5/15
Y1 - 2008/5/15
N2 - An all-optical regeneration scheme for DQPSK and QPSK signals using phase-sensitive amplifiers (PSAs) is studied and its effectiveness is investigated through numerical simulations. By leveraging the ability of PSAs to provide phase and amplitude regenerative amplification, we show significant simultaneous suppression of both phase and amplitude noises of (D)QPSK signals under optimized conditions. The reduction in the phase noise variance of a noise-corrupted DQPSK signal obtained by one such regenerative amplification can be as large as ∼5.5 folds, showing its good potential for distributed optical regeneration of (D)QPSK signals.
AB - An all-optical regeneration scheme for DQPSK and QPSK signals using phase-sensitive amplifiers (PSAs) is studied and its effectiveness is investigated through numerical simulations. By leveraging the ability of PSAs to provide phase and amplitude regenerative amplification, we show significant simultaneous suppression of both phase and amplitude noises of (D)QPSK signals under optimized conditions. The reduction in the phase noise variance of a noise-corrupted DQPSK signal obtained by one such regenerative amplification can be as large as ∼5.5 folds, showing its good potential for distributed optical regeneration of (D)QPSK signals.
KW - All-optical regeneration
KW - Mach-Zehnder interferometer (MZI)
KW - Nonlinear optical fiber
KW - Phase-sensitive amplifier (PSA)
KW - Quadrature phase-shift keying (QPSK)
UR - https://www.scopus.com/pages/publications/41149158490
U2 - 10.1016/j.optcom.2008.01.046
DO - 10.1016/j.optcom.2008.01.046
M3 - 文章
AN - SCOPUS:41149158490
SN - 0030-4018
VL - 281
SP - 2755
EP - 2759
JO - Optics Communications
JF - Optics Communications
IS - 10
ER -