Tunable passively mode-locked thulium-doped fiber lasers

DU Juan; XIONG Zhenting; SHE Min; ZHANG Jiaojiao; LIU Simin; ZHANG Zuxing

doi:10.7510/jgjs.issn.1001-3806.2019.01.003

LASER TECHNOLOGY > 2019 > 43(1): 11-14. > DOI: 10.7510/jgjs.issn.1001-3806.2019.01.003

DU Juan, XIONG Zhenting, SHE Min, ZHANG Jiaojiao, LIU Simin, ZHANG Zuxing. Tunable passively mode-locked thulium-doped fiber lasers[J]. LASER TECHNOLOGY, 2019, 43(1): 11-14. DOI: 10.7510/jgjs.issn.1001-3806.2019.01.003

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Tunable passively mode-locked thulium-doped fiber lasers

Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

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Received Date: April 01, 2018
Revised Date: May 03, 2018
Published Date: January 24, 2019

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Abstract

Abstract

In order to design a wavelength-tunable passively mode-locked thulium-doped fiber laser, the method of changing its working wavelength by adjusting the laser polarization state based on random birefringence effect of laser cavity was proposed. The principle analysis and experimental verification were carried out. The results show that, the adjustable polarization controller can achieve mode-locked pulse output at multiple central wavelengths such as 2010nm, 2019nm, 2024nm, 2050nm, and can also be tuned precisely near a single central wavelength. This kind of tunable mode-locked laser has simple structure and good tunability. It has certain reference value for light source selection in optical communication, ultrafast optics, medicine, remote sensing technology and radar.
- lasers,
- thulium-doped fiber laser,
- passively mode-locking,
- wavelength tunability,
- birefringence

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