Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper

Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper

We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS<sub>2</sub>-based saturable absorber with evanescent field interaction. WS<sub>2</sub> flakes have been synthesized via a liquid-phase exfoliation method, and an optical fiber...

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Main Authors: Reza Khazaeinezhad, Tavakol Nazari, Hwanseong Jeong, Kyung Jun Park, Byoung Yoon Kim, Dong-Il Yeom, Kyunghwan Oh
Format: Article
Language:English
Published: IEEE 2015-01-01
Series:IEEE Photonics Journal
Subjects:
Tungsten Disulfide
nonlinear optical materials
saturable absorber
Q-switched fiber laser
Online Access:https://ieeexplore.ieee.org/document/7274647/
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spelling doaj-42ac6b108b9446b887582f5c809b97522021-03-29T17:26:05ZengIEEEIEEE Photonics Journal1943-06552015-01-01751710.1109/JPHOT.2015.24816117274647Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber TaperReza Khazaeinezhad0Tavakol Nazari1Hwanseong Jeong2Kyung Jun Park3Byoung Yoon Kim4Dong-Il Yeom5Kyunghwan Oh6Photonic Device Phys. Lab., Yonsei Univ., Seoul, South KoreaPhotonic Device Phys. Lab., Yonsei Univ., Seoul, South KoreaDept. of Phys. &amp; Energy Syst. Res., Ajou Univ., Suwon, South KoreaDept. of Phys., Korea Adv. Inst. of Sci. &amp; Technol., Daejeon, South KoreaDept. of Phys., Korea Adv. Inst. of Sci. &amp; Technol., Daejeon, South KoreaPhotonic Device Phys. Lab., Yonsei Univ., Seoul, South KoreaPhotonic Device Phys. Lab., Yonsei Univ., Seoul, South KoreaWe demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS<sub>2</sub>-based saturable absorber with evanescent field interaction. WS<sub>2</sub> flakes have been synthesized via a liquid-phase exfoliation method, and an optical fiber taper was selected as a light-material template that causes to achieve a long interaction length of the evanescent wave. Subsequently, the prepared solution was optically deposited around the 3-mm interaction length of the fabricated optical fiber taper with a 5-&#x03BC;m waist diameter. The proposed Q-switched fiber laser based on the WS<sub>2</sub>-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 &#x03BC;s and a repetition rate of 33-108 kHz.https://ieeexplore.ieee.org/document/7274647/Tungsten Disulfidenonlinear optical materialssaturable absorberQ-switched fiber laser
collection DOAJ
language English
format Article
sources DOAJ
author Reza Khazaeinezhad
Tavakol Nazari
Hwanseong Jeong
Kyung Jun Park
Byoung Yoon Kim
Dong-Il Yeom
Kyunghwan Oh
spellingShingle Reza Khazaeinezhad
Tavakol Nazari
Hwanseong Jeong
Kyung Jun Park
Byoung Yoon Kim
Dong-Il Yeom
Kyunghwan Oh
Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
IEEE Photonics Journal
Tungsten Disulfide
nonlinear optical materials
saturable absorber
Q-switched fiber laser
author_facet Reza Khazaeinezhad
Tavakol Nazari
Hwanseong Jeong
Kyung Jun Park
Byoung Yoon Kim
Dong-Il Yeom
Kyunghwan Oh
author_sort Reza Khazaeinezhad
title Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
title_short Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
title_full Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
title_fullStr Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
title_full_unstemmed Passive Q-Switching of an All-Fiber Laser Using WS <sub>2</sub>-Deposited Optical Fiber Taper
title_sort passive q-switching of an all-fiber laser using ws <sub>2</sub>-deposited optical fiber taper
publisher IEEE
series IEEE Photonics Journal
issn 1943-0655
publishDate 2015-01-01
description We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS<sub>2</sub>-based saturable absorber with evanescent field interaction. WS<sub>2</sub> flakes have been synthesized via a liquid-phase exfoliation method, and an optical fiber taper was selected as a light-material template that causes to achieve a long interaction length of the evanescent wave. Subsequently, the prepared solution was optically deposited around the 3-mm interaction length of the fabricated optical fiber taper with a 5-&#x03BC;m waist diameter. The proposed Q-switched fiber laser based on the WS<sub>2</sub>-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 &#x03BC;s and a repetition rate of 33-108 kHz.
topic Tungsten Disulfide
nonlinear optical materials
saturable absorber
Q-switched fiber laser
url https://ieeexplore.ieee.org/document/7274647/
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