Rayleigh backscattering minimization in single fiber colorless WDM-PON using intensity remodulation technique

被引：0
|
作者：
Khan, Yousaf [1 ]
Yu Chong-xiu [1 ]
Xin Xiang-jun [1 ]
Ali, Amjad [1 ]
Husain, Aftab [1 ]
Liu Bo [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
来源：
OPTOELECTRONICS LETTERS | 2012年 / 8卷 / 05期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1007/s11801-012-2268-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The performance of colorless wavelength-division multiplexed passive optical network (WDM-PON) systems suffers from the transmission impairments mainly due to Rayleigh backscattering (RB). In this paper, we propose and demonstrate a single fiber colorless WDM-PON which enhances the tolerance to RB induced noise. The high extinction ratio in both return-to-zero (RZ)-shaped differential phase shift keying (DPSK) downstream (DS) data signal and intensity-remodulated upstream (US) data signal helps to improve the tolerance to RB induced noise. Simulation results show that downstream and upstream signals can achieve error-free performance at 10 Gbit/s with negligible penalty and improve the tolerance to RB induced noise over 25 km standard single-mode fiber.
引用
收藏
页码：380 / 383
页数：4
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