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Dual-wavelength soliton laser based on graphene ternary composite

guobo94656329 添加于 2017/12/3 18:34:49  26次阅读 | 0次推荐 | 0个评论

We report on a switchable dual-wavelength soliton fiber laser based on graphene ternary composite, that is, graphene/SnO2/PANI film. The graphene compositeis 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.

作 者:B. Guo, Q. Ouyang, S. Li, Z. Fang, and P. Wang
期刊名称: Chin. J. Laser, Special issue: Two-dimensional Optoelectronic Materials and Devices
期卷页: Jul. 2017 第44卷 第7期 0703012页
学科领域:信息科学 » 光学和光电子学 » 光学信息获取与处理
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关键词: graphene composite; passive mode-locking; soliton; multiwavelength
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