Carbon Nanotube Mode-Locked Fiber Laser Generating Cylindrical Vector Beams with a Two-Mode Fiber Bragg Grating

Cai, Yu, Zhang, Jiaojiao, Wang, Changle, Zhang, Lin and Zhang, Zuxing (2018). Carbon Nanotube Mode-Locked Fiber Laser Generating Cylindrical Vector Beams with a Two-Mode Fiber Bragg Grating. Applied Sciences, 8 (4),

Abstract

We propose and demonstrate a compact all-fiber laser generating cylindrical vector beam (CVB) using carbon nanotubes as the saturable absorber for mode-locking and a two-mode fiber Bragg grating (TM-FBG) as the mode discriminator. Both radially and azimuthally polarized beams with a polarization purity of 90% were obtained by simply adjusting the polarization controllers. The CVB mode-locked fiber laser operates at 1552.9 nm with a 3-dB line width of less than 0.02 nm, generating ns CVB pulses. The all-fiber CVB laser may have potential applications from fundamental research to practical applications, such as particle capture, high-resolution measurement and material processing.

Publication DOI: https://doi.org/10.3390/app8040643
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). This work was supported by National Science Foundation of Jiangsu Province under Grants BK20161521 and BK20150858; Nanjing University of Posts and Telecommunications (NUPTSF) under Grants NY214059, NY214002, and NY215002; Distinguished Professor Project of Jiangsu under Grant RK002STP14001; Six Talent Peaks Project in Jiangsu Province under Grant 2015-XCL-023; Postgraduate Research & Practice Innovation Program of Jiangsu Province under Grants SJ
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Related URLs: http://www.mdpi ... 76-3417/8/4/643 (Publisher URL)
Published Date: 2018-04-20
Authors: Cai, Yu
Zhang, Jiaojiao
Wang, Changle
Zhang, Lin ( 0000-0002-1691-5577)
Zhang, Zuxing

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