一种新的互注入锁定产生单/双波长光脉冲的方案  

A new mutual pulse injection-seeding scheme for generating tunable single/dual-wavelength optical short pulses

作　　者：俞小青[1] 方晓惠[1] 陈金华[1] 李海[2] 刘金龙[2] 

机构地区：[1]赣南师范学院物理与电子科学系,江西赣州341000 [2]华南农业大学理学院应用物理系,广东广州510642

出　　处：《激光杂志》2007年第4期36-37,共2页Laser Journal

基　　金：江西省教育厅科学技术研究项目(批准号:2005224);赣南师范学院院级重点学科建设基金(批准号:2005005)

摘　　要：本文提出了使用两个F-P半导体激光器互注入锁定来产生单/双波长光脉冲的方法。其中一个FP做增益开关调制,另一个给定直流偏置。通过简单调节一个可调光滤波器,可以输出所需波长,且重复频率保持不变。对于单波长输出,在19nm范围内其边模抑制比超过30dB;对于双波长输出,在12.1nm范围内其边模抑制比超过25dB。该系统具有简单,成本低的优点。A mutual pulse injection - seeding scheme is developed to produce single - wavelength tunable optical short pulses by the use of two Fabry- Perot laser diodes, of which one is gain - switched and the other is DC biased. Wavelength tuning of the optical pulses is achieved by simply adjusting a tunable optical filter while maintaining a constant repetition frequency.. The side mode suppression ratio obtained is more than 30 dB over a wavelength tuning range of 19 nm for single - wavelength oFeration, and better than 25 dB over the wavelength - tuning range of 12.1 nm for dual - wavelength operation. The system is simple and robust.

关 键 词：光脉冲 增益开关 腔外注入 自激注入 

分 类 号：O434.39[机械工程—光学工程]