Passive Q-Switching of an All-Fiber Laser Using WS2-Deposited Optical Fiber Taper

Reza Khazaeinezhad; Tavakol Nazari; Hwanseong Jeong; Kyung Jun Park; Byoung Yoon Kim; Dong Il Yeom; Kyunghwan Oh

doi:10.1109/JPHOT.2015.2481611

Passive Q-Switching of an All-Fiber Laser Using WS₂-Deposited Optical Fiber Taper

Reza Khazaeinezhad, Tavakol Nazari, Hwanseong Jeong, Kyung Jun Park, Byoung Yoon Kim, Dong Il Yeom, Kyunghwan Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS₂-based saturable absorber with evanescent field interaction. WS₂ 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-μ waist diameter. The proposed Q-switched fiber laser based on the WS₂-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 μs and a repetition rate of 33-108 kHz.

Original language	English
Article number	1503507
Journal	IEEE Photonics Journal
Volume	7
Issue number	5
DOIs	https://doi.org/10.1109/JPHOT.2015.2481611
Publication status	Published - 2015 Oct 1

Bibliographical note

Funding Information:
This work was supported in part by the Institute of Physics and Applied Physics, Yonsei University; by the MSIP/IITP through the ICT R and D Program under Grant 2014-044-014-002; and by the Nano Material Technology Development Program through the NRF funded by the MSIP under Grant NRF-2012M3A7B4049800. The work of H. Jeong and D.-I. Yeom was supported by the NRF of Korea under Grant NRF- 2013R1A1A2A10005230 and Grant 2011-0027920.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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title = "Passive Q-Switching of an All-Fiber Laser Using WS2-Deposited Optical Fiber Taper",

abstract = "We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS2-based saturable absorber with evanescent field interaction. WS2 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-μ waist diameter. The proposed Q-switched fiber laser based on the WS2-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 μs and a repetition rate of 33-108 kHz.",

author = "Reza Khazaeinezhad and Tavakol Nazari and Hwanseong Jeong and Park, {Kyung Jun} and Kim, {Byoung Yoon} and Yeom, {Dong Il} and Kyunghwan Oh",

note = "Funding Information: This work was supported in part by the Institute of Physics and Applied Physics, Yonsei University; by the MSIP/IITP through the ICT R and D Program under Grant 2014-044-014-002; and by the Nano Material Technology Development Program through the NRF funded by the MSIP under Grant NRF-2012M3A7B4049800. The work of H. Jeong and D.-I. Yeom was supported by the NRF of Korea under Grant NRF- 2013R1A1A2A10005230 and Grant 2011-0027920.",

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doi = "10.1109/JPHOT.2015.2481611",

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AU - Nazari, Tavakol

AU - Jeong, Hwanseong

AU - Park, Kyung Jun

AU - Kim, Byoung Yoon

AU - Yeom, Dong Il

AU - Oh, Kyunghwan

N1 - Funding Information: This work was supported in part by the Institute of Physics and Applied Physics, Yonsei University; by the MSIP/IITP through the ICT R and D Program under Grant 2014-044-014-002; and by the Nano Material Technology Development Program through the NRF funded by the MSIP under Grant NRF-2012M3A7B4049800. The work of H. Jeong and D.-I. Yeom was supported by the NRF of Korea under Grant NRF- 2013R1A1A2A10005230 and Grant 2011-0027920.

PY - 2015/10/1

Y1 - 2015/10/1

N2 - We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS2-based saturable absorber with evanescent field interaction. WS2 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-μ waist diameter. The proposed Q-switched fiber laser based on the WS2-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 μs and a repetition rate of 33-108 kHz.

AB - We demonstrate the passive Q-switching operation of an erbium-doped fiber laser using a few-layer WS2-based saturable absorber with evanescent field interaction. WS2 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-μ waist diameter. The proposed Q-switched fiber laser based on the WS2-deposited fiber taper saturable absorber could generate stable output pulses at 1565 nm, with a pulsewidth ranging from 1.3 to 3 μs and a repetition rate of 33-108 kHz.

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