掺铒单模光纤飞秒脉冲激光器和放大器  

Erbium-doped single-mode fiber femtosecond pulse laser and amplifier

作　　者：曹顺 郝强[1] 曾和平[2] CAO Shun;HAO Qiang;ZENG Heping(School of Optical-Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China;State Key Laboratory of Precision Spectroscopy,East China Normal University,Shanghai 200062,China)

机构地区：[1]上海理工大学光电信息与计算机工程学院,上海200093 [2]华东师范大学精密光谱科学与技术国家重点实验室,上海200062

出　　处：《光学仪器》2020年第6期66-72,共7页Optical Instruments

基　　金：国家重点研发计划(2018YFB0407100)。

摘　　要：为了获得一种被动锁模掺铒光纤振荡器及功率放大器,数值模拟出超短脉冲在光纤中的传输和演化过程,并基于此搭建了一种被动锁模掺铒光纤飞秒振荡器及功率放大器。实验获得了中心波长1560 nm、重复频率100 MHz、输出功率30 mW、脉冲宽度85 fs超短脉冲。通过采用PPLN晶体进行倍频,进一步获得了输出功率5 mW,中心波长780 nm的飞秒脉冲。该光纤激光器为全保偏光纤结构,具有体积小巧、可靠性高、稳定性好的特点。Based on the numerical simulation of the transmission and evolution of ultrashort pulses in the fiber,a passively mode-locked erbium-doped femtosecond fiber laser was developed.Ultrashort pulses with 1560 nm central wavelength of,100 MHz repetition rate,30 mW output power,and 80 fs pulse width was obtained.By using a PPLN crystal,the femtosecond pulse is frequency-doubled to 780 nm with 5 mW average power.The fiber laser system with all polarization-maintaining fibers could be compact in a small box facilitating high reliability and stability.

关 键 词：掺铒光纤激光器 锁模激光器 超短脉冲 倍频 

分 类 号：TN248[电子电信—物理电子学]