PPLN-based all-optical 40 Gbit/s ODB/AMI/FSK wavelength conversion and FSK logic NOT gate

被引:2
|
作者
Wang, J. [1 ]
Sun, Q. [1 ]
Sun, J. [1 ]
Hu, Z. [1 ]
机构
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Coll Optoelect Sci & Engn, Wuhan 430074, Hubei, Peoples R China
来源
APPLIED PHYSICS B-LASERS AND OPTICS | 2009年 / 96卷 / 01期
基金
中国国家自然科学基金;
关键词
DIFFERENCE-FREQUENCY-GENERATION; SIGNALS; DFG;
D O I
10.1007/s00340-009-3441-z
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We propose and demonstrate all-optical wavelength conversion for optical duobinary (ODB), alternate-mark inversion (AMI), and frequency-shift keying (FSK) signals and a logic NOT gate for a FSK signal based on cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) in a periodically poled lithium niobate (PPLN) waveguide. ODB/AMI/FSK are generated from the demodulation of differential phase-shift keying (DPSK) using one-bit-delay fiber delay interferometer (FDI). PPLN-based 40 Gbit/s ODB/AMI/FSK wavelength conversion and FSK logic NOT gate are simultaneously implemented in the experiment.
引用
收藏
页码:135 / 139
页数:5
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