Single/dual-wavelength switchable bidirectional Q-switched all-fiber laser using a bidirectional fiber polarizer

Chuanhang Zou, Qianqian Huang, Tianxing Wang, Zhijun Yan, Mohammed Alaraimi, Aleksey Rozhin, Chengbo Mou*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A single/dual-wavelength switchable bidirectional Q-switched fiber laser using a bidirectional fiber polarizer is demonstrated. A 45° tilted fiber grating is used as a bidirectional fiber polarizer to induce a bidirectional intracavity birefringence filter in both clockwise (CW) and counter-clockwise (CCW) directions. A carbon nanotube saturable absorber is employed to produce Q-switched pulses. Through adjusting polarization states, switchable single/dual-wavelength lasing at 1551 and 1560 nm can be achieved in both CW and CCW directions. To the best of our knowledge, this is the first demonstration of a wavelength switchable bidirectional passively Q-switched fiber laser.

Original languageEnglish
Pages (from-to)4819-4822
Number of pages4
JournalOptics Letters
Volume43
Issue number19
DOIs
Publication statusPublished - 6 Sep 2018

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polarizers
fiber lasers
Q switched lasers
fibers
counters
wavelengths
birefringence
lasing
absorbers
adjusting
carbon nanotubes
gratings
filters
polarization
pulses

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://doi.org/10.1364/OL.43.004819. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

Zou, Chuanhang ; Huang, Qianqian ; Wang, Tianxing ; Yan, Zhijun ; Alaraimi, Mohammed ; Rozhin, Aleksey ; Mou, Chengbo. / Single/dual-wavelength switchable bidirectional Q-switched all-fiber laser using a bidirectional fiber polarizer. In: Optics Letters. 2018 ; Vol. 43, No. 19. pp. 4819-4822.
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Single/dual-wavelength switchable bidirectional Q-switched all-fiber laser using a bidirectional fiber polarizer. / Zou, Chuanhang; Huang, Qianqian; Wang, Tianxing; Yan, Zhijun; Alaraimi, Mohammed; Rozhin, Aleksey; Mou, Chengbo.

In: Optics Letters, Vol. 43, No. 19, 06.09.2018, p. 4819-4822.

Research output: Contribution to journalArticle

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