All-optical RZ to NRZ data format and wavelength conversion using an injection locked laser

被引：10
|
作者：
Chow, CW [1 ]
Wong, CS [1 ]
Tsang, HK [1 ]
机构：
[1] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2003年 / 223卷 / 4-6期
关键词：
injection-locked laser; wavelength conversion; format conversion; WDM communications;
D O I：
10.1016/S0030-4018(03)01691-2
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
All-optical RZ-to-NRZ data format conversion using a repetition-rate doubler and an injection-locked Fabry-Perot laser diode is demonstrated at 10 Gb/s. Conversion of signal wavelength is achieved simutaneouly. At a bit-error-rate of 10(-9), a power penalty of 2.5 dB was observed in the format conversion. The spectral width of the data-format converted NRZ signal (14 GHz) was reduced compared with the input RZ signal (25 GHz), making the converted signal more spectrally efficient for use in dense-wavelength-division-multiplexed (DWDM) access networks. We also describe numerical analysis which indicates the optimum delay in the repetition-rate doubler for format conversion. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：309 / 313
页数：5
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