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基于数字微镜器件的可调谐掺铒光纤激光器

Tunable Erbium-Doped Fiber Laser Based on Digital Micromirror Device

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摘要

光纤激光器在光纤通信、光纤传感、光谱测量等众多领域有着广泛应用。设计并研制了一种基于数字微镜器件(DMD)实现滤波功能并具有多个输出端口的宽带连续可调谐掺铒光纤激光器。用行波速率方程模型对激光器的输出特性进行理论分析和仿真研究;在此基础上,搭建了具有8个输出端口的宽带可调谐掺铒光纤激光器实验系统;结果显示:各端口输出波长范围为50 nm,完整覆盖了整个C波段,并拓展到了S和L波段;激光器的阈值抽运功率为17 mW, 输出激光的3 dB带宽小于0.02 nm,边模抑制比大于50 dB。激光器在100 min内输出稳定性的实验测试结果表明,输出激光的功率波动小于0.4 dB,波长抖动小于0.02 nm。

Abstract

Fiber laser is widely used in many fields, such as optical fiber communication, optical fiber sensing, spectrum measurement and so on. A broadband continuous tunable erbium-doped fiber laser with multiple output ports is designed and fabricated based on a digital micromirror device (DMD) and widely tunable optical filter. The characteristics of the laser are theoretically simulated and analyzed using a traveling-wave rate-equation model. Based on the theoretical results, an experimental system of the broadband tunable fiber laser with eight output ports is built. The experimental results show that the output wavelength range for each output port is 50 nm, which covers the whole C band and extends to S and L bands. The pumping threshold power is 17 mW, the 3 dB linewidth of the output laser is less than 0.02 nm, and the side mode suppression ratio is greater than 50 dB in the whole band. The stability of the laser output is measured within 100 min. The results show that the power fluctuation is less than 0.4 dB, and the wavelength jitter is less than 0.02 nm.

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中图分类号:TN241

DOI:10.3788/lop55.071403

所属栏目:激光器与激光光学

基金项目:国家自然科学基金项目(61627814,61675238)

收稿日期:2018-01-09

修改稿日期:2018-01-22

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作者单位    点击查看

张策:中央民族大学理学院, 北京 100081
陈根祥:中央民族大学理学院, 北京 100081
高云舒:北京交通大学电子信息工程学院, 北京 100044
于超:北京邮电大学电子工程学院, 北京 100876
吕敏:中央民族大学理学院, 北京 100081
陈笑:中央民族大学理学院, 北京 100081
张倩:中央民族大学理学院, 北京 100081
王义全:中央民族大学理学院, 北京 100081

联系人作者:张策(cezhang@aliyun.com)

备注:陈根祥(1965—),男,博士,教授,主要从事光通信、光纤器件、半导体光电子器件物理学等方面的研究。E-mail: gxchen_bjtu@163.com

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引用该论文

Zhang Ce,Chen Genxiang,Gao Yunshu,Yu Chao,Lü Min,Chen Xiao,Zhang Qian,Wang Yiquan. Tunable Erbium-Doped Fiber Laser Based on Digital Micromirror Device[J]. Laser & Optoelectronics Progress, 2018, 55(7): 071403

张策,陈根祥,高云舒,于超,吕敏,陈笑,张倩,王义全. 基于数字微镜器件的可调谐掺铒光纤激光器[J]. 激光与光电子学进展, 2018, 55(7): 071403

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