Mode and wavelength-switchable pulsed fiber laser with few-mode fiber grating

Cai, Yu, Wang, Zhiqiang, Wan, Hongdan, Zhang, Zuxing and Zhang, Lin (2019). Mode and wavelength-switchable pulsed fiber laser with few-mode fiber grating. IEEE Photonics Technology Letters, 31 (14), pp. 1155-1158.

Abstract

We propose and demonstrate a mode and wavelength-switchable pulsed fiber laser using two-mode fiber Bragg grating (TM-FBG) as both transverse mode converter and wavelength selector. The mode-locking mechanism is based on saturable absorption of semiconductor saturable absorption mirror (SESAM). Due to the use of low polarization-dependent mode-locking method, polarization disturbation between mode-locking and transverse-mode selection has been effectively eliminated, thus enabling flexible transverse-mode selection with simultaneous mode-locking operation. Moreover, through the optimized offset launching technique, this laser can operate at the wavelengths of the fundamental mode (LP01) and second-order mode (LP11), and thus export cylindrical vector beams (CVBs) and fundamental mode beams at the TM-FBG output port, respectively. This all-fiber laser is a simple, low-cost and flexible source for mode-division multiplexing system and other applications.

Publication DOI: https://doi.org/10.1109/LPT.2019.2921339
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Additional Information: © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: Cylindrical vector beams,dual-wavelength,mode-locked lasers,two-mode fiber Bragg grating,Electronic, Optical and Magnetic Materials,Atomic and Molecular Physics, and Optics,Electrical and Electronic Engineering
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Related URLs: https://ieeexpl ... cument/8732358/ (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Online Date: 2019-06-06
Published Date: 2019-07-15
Authors: Cai, Yu
Wang, Zhiqiang
Wan, Hongdan
Zhang, Zuxing
Zhang, Lin ( 0000-0002-1691-5577)

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