Mode-selection of a fiber laser using a microfiber knot resonator functionalized with 2D planar-shaped GO-MoS2 film

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Optical Fiber Technology Pub Date : 2025-01-27 DOI:10.1016/j.yofte.2025.104142

Xinyu Chen, Jiale Xie, Hongdan Wan, Zijia Zhou, Xueying Lin, Jingli Wang, Taoping Hu

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引用次数: 0

Abstract

A flexible fiber laser mode-selected by a microfiber knot resonator (MKR) functionalized with 2D planar-shaped graphene-oxide (GO)-MoS₂ composite film (GMCF) is proposed and demonstrated. As far as we know, this is the first report of using novel transferring method for forming 2D planar-shaped GMCF on a low-loss MKR for mode-selection in fiber ring cavity. The 2D GMCF is formed on the surface of MKR with high stability due to effects of surface tension and recirculation flow. Mode-locked fiber laser operation with single-wavelength output is realized by saturable absorption effect of the GMCF. The pulse period and repetition frequency are 118.14 ns and 8.464 MHz, respectively. In addition, single-wavelength, tunable lasing using the GMCF-MKR as narrow-bandwidth filter is achieved with a side-mode suppression ratio of 53 dB, a 3 dB bandwidth of < 0.02 dB and a wavelength tuning range from 1551.6 nm to 1552.6 nm. The proposed flexible fiber laser using the 2D planar-shaped GMCF-MKR will have a wide range of applications in the fields of distributed fiber sensing, laser coherent communication and optical precision measurement.

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.