Wavelength conversion of chaotic message through gain modulation by injection-locked Fabry-Perot laser diode
Wavelength conversion of chaotic message through gain modulation by injection-locked Fabry-Perot laser diode作者机构:Physics DepartmentCollege of ScienceTaiyuan University of Technology
出 版 物:《Chinese Optics Letters》 (中国光学快报(英文版))
年 卷 期:2010年第8卷第4期
页 面:368-371页
核心收录:
学科分类:080903[工学-微电子学与固体电子学] 080901[工学-物理电子学] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学] 0803[工学-光学工程]
基 金:supported by the National Natural Science Foundation of China(No.60777041) the International Cooperation Fund of Shanxi Province of China(No.2007081019)
主 题:Fabry Perot interferometers Optical communication Optical frequency conversion Signal to noise ratio
摘 要:We propose a wavelength conversion scheme for chaotic optical communications(COC) based on a Fabry-Perot (FP) laser *** FP laser,as a wavelength converter,is injection-locked at one of longitudinal modes by an external continuous-wave(CW) *** simulation results demonstrated that the chaos masked signal at wavelengthλ_1,which corresponds to the other longitudinal mode of FP laser,can be converted to the injection-locked mode(wavelengthλ_2) based on cross-gain modulation in a closed-loop COC link.A 1.2-GHz chaos masked sinusoidal signal is successfully decoded with signal-to-noise ratio (SNR) beyond 8 dB in 15-nm wavelength conversion range,and the effects of SNR on the signal frequency and conversion span are also investigated.