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Raman-assisted phase sensitive amplifier using a fiber Bragg grating-based tunable phase shifter
Optics Letters ( IF 3.1 ) Pub Date : 2018-08-09 , DOI: 10.1364/ol.43.003949
Yinwen Cao , Haoqian Song , Youichi Akasaka , Peicheng Liao , Ahmed Almaiman , Fatemeh Alishahi , Ahmad Fallahpour , Changjing Bao , Amirhossein Mohajerin-Ariaei , Tadashi Ikeuchi , Dmitry Starodubov , Joseph Touch , Moshe Tur , Alan E. Willner

A low-loss Raman-assisted phase sensitive amplifier (PSA) with a 20 dB signal net gain is experimentally demonstrated. The amplitude and phase adjustment for PSA are achieved by using non-uniform Raman gain and a tunable fiber Bragg grating (FBG), respectively. The total component loss of the system is measured to be 8 dB. By tuning the FBG central wavelength, (1) an up to 5.6 dB signal gain improvement is obtained; and (2) a 4 dB receiver sensitivity enhancement is observed for 20 and 25 Gbaud quadrature phase shift keying signals and a 10 Gbaud 16-quadrature amplitude modulation signal.

中文翻译:

使用基于光纤光栅的可调移相器的拉曼辅助相敏放大器

一种具有拉曼效应的低损耗拉曼辅助相敏放大器(PSA) 20 D b信号净增益已通过实验证明。PSA的幅度和相位调整分别通过使用非均匀拉曼增益和可调光纤布拉格光栅(FBG)来实现。该系统的总组件损耗测得为8 D b。通过调节FBG中心波长,(1)可获得高达5.6 dB的信号增益改善;和(2)4 D b 对于20和25 Gbaud正交相移键控信号以及10 Gbaud 16正交幅度调制信号,可以观察到接收机灵敏度的增强。
更新日期:2018-08-15
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