40 Gb/s all-optical NRZ to RZ format conversion using single SOA assisted by optical bandpass filter

被引:42
作者
Dong, Jianji [1 ]
Zhang, Xinliang
Xu, Jing
Huang, Dexiu
Fu, Songnian
Shum, P.
机构
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[2] Nanyang Technol Univ, Network Technol Res Ctr, Singapore 637553, Singapore
关键词
D O I
10.1364/OE.15.002907
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We propose a novel all-optical format conversion from nonreturn-to-zero (NRZ) to return-to-zero (RZ) based on single semiconductor optical amplifier (SOA) and a detuning optical bandpass filter (OBF). By adopting the ultrafast SOA model associated with intraband mechanism, the 40Gb/s NRZ-to-RZ format conversion is successfully demonstrated with numerical simulation. We investigate the influence of the filter detuning, extinction ratio, conversion efficiency, output pulsewidth, and filter bandwidth. These simulation results confirm the feasibility of our scheme. The proposed scheme is robust and potential for applications in future optical networks. (c) 2007 Optical Society of American.
引用
收藏
页码:2907 / 2914
页数:8
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