利用EAM和FM产生带宽3.8nm的光梳

Generation of the Optical Frequency Comb with a Bandwidth of 3.8 nm by Using an Electro-absorption Modulator and a Frequency Modulator

利用电吸收调制器(Electro-absorption Modulator,EAM)和频率调制器(Frequency Modulator,FM)的级联结构,提出了一种新型光学频率梳(Optical Frequency Comb,OFC)产生方案。本方案结构简单、易于控制,输出噪声低。对提出的方案原理进行了理论分析,并利用Optisystem7.0软件进行仿真研究。仿真结果表明:产生了平坦的光学频率梳,其中心波长和谱线间距均可独立调谐。产生的OFC有效带宽为3.8 nm,得到了谱线间距为5 GHz的105条谱线。

Using the cascade structure of an Electro-absorption Modulator（EAM） and a frequency modulator（FM）, we proposed a new Optical Frequency Comb（OFC） generation scheme. The program structure is simple, easy to be controlled and the output noise is low. We conducted a theoretical analysis on the principle scheme and did research on the simulation with software of Optisystem7.0. The simulation results show that： we generated a flat optical frequency comb, whose center wavelength and line spacing can be tuned independently. Also,the effective bandwidth of the OFC is 3.8 nm, its line spacing is 5 GHz and number of lines is 105.