中国激光, 2017, 44 (7): 0703012, 网络出版: 2017-07-05  

基于石墨烯三元复合材料的双波长孤子激光器 下载: 702次

Dual-Wavelength Soliton Laser Based on Graphene Ternary Composite
作者单位
哈尔滨工程大学纤维集成光学教育部重点实验室, 黑龙江 哈尔滨 150001
摘要
报道了一种基于石墨烯三元复合材料(石墨烯/二氧化锡/聚苯胺薄膜)的可切换双波长孤子光纤激光器。该石墨烯复合材料由液相超声法制备而成, 将其制成聚合物薄膜并转移到激光器腔内。该石墨烯器件不仅可以作为一种饱和吸收体来进行锁模, 而且具有较强的三阶非线性光学效应, 在激光器中, 它可以构成一种滤波器来产生双波长脉冲。利用该双功能器件实现了光纤激光器的双波长孤子运转, 最小脉冲宽度为1.25 ps, 基本重复频率为2.13 MHz, 相应的最高单脉冲能量为1.51 nJ, 峰值功率约为1.2 kW。
Abstract
We report a switchable dual-wavelength soliton fiber laser based on graphene ternary composite, that is, graphene/SnO2/PANI film. The graphene composite is synthesized by the liquid-phase ultrasonic method, the composite is transferred into the laser cavity by the polymer-film method. The as-prepared graphene device not only can act as an excellent saturable absorber for mode-locking, but also induces a highly third-order nonlinear optical effect to form a filter for dual-wavelength pulse generation in the laser. By exploiting the dual-function of this device, the switchable dual-wavelength soliton operation of the fiber laser is stably initiated with a minimum pulse width of 1.25 ps, a fundamental repetition rate of 2.13 MHz, a pulse energy of 1.51 nJ and peak power of 1.2 kW.

郭波, 欧阳秋云, 李施, 方再金, 王鹏飞. 基于石墨烯三元复合材料的双波长孤子激光器[J]. 中国激光, 2017, 44(7): 0703012. Guo Bo, Ouyang Qiuyun, Li Shi, Fang Zaijin, Wang Pengfei. Dual-Wavelength Soliton Laser Based on Graphene Ternary Composite[J]. Chinese Journal of Lasers, 2017, 44(7): 0703012.

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