Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory

Based on an as-prepared high-quality WS<sub>2</sub> film and an electro-optic modulator (EOM), a dual-loss-modulated low repetition rate mode-locking laser at 0.53 μm with high peak power is presented for the first time. The laser characteristics versus the pump power are investigated ex...

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Main Authors: Wenjing Tang, Wanggen Sun, Jing Wang, Kai Jiang, Wei Xia, Shengzhi Zhao
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/15/4406
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author Wenjing Tang
Wanggen Sun
Jing Wang
Kai Jiang
Wei Xia
Shengzhi Zhao
author_facet Wenjing Tang
Wanggen Sun
Jing Wang
Kai Jiang
Wei Xia
Shengzhi Zhao
author_sort Wenjing Tang
collection DOAJ
description Based on an as-prepared high-quality WS<sub>2</sub> film and an electro-optic modulator (EOM), a dual-loss-modulated low repetition rate mode-locking laser at 0.53 μm with high peak power is presented for the first time. The laser characteristics versus the pump power are investigated experimentally and theoretically. At a pump power of 10.67 W, the shortest pulse duration of 305 ps can be measured, corresponding to the highest peak power of 931 kW, which is much higher than those of the single passive modulated lasers with WS<sub>2</sub>-SA. A simple rate equation simulation was used to describe this dual-loss-modulated mode-locking green laser based on WS<sub>2</sub> and EOM. The results of the numerical simulation are basically in accordance with the experimental values.
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spelling doaj.art-072c7730355b449988ba52bbd421f0162023-11-22T05:57:36ZengMDPI AGMolecules1420-30492021-07-012615440610.3390/molecules26154406Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and TheoryWenjing Tang0Wanggen Sun1Jing Wang2Kai Jiang3Wei Xia4Shengzhi Zhao5School of Physics and Technology, University of Jinan, Jinan 250022, ChinaSchool of Physics and Technology, University of Jinan, Jinan 250022, ChinaSchool of Physics and Technology, University of Jinan, Jinan 250022, ChinaSchool of Physics and Technology, University of Jinan, Jinan 250022, ChinaSchool of Physics and Technology, University of Jinan, Jinan 250022, ChinaSchool of Information Science and Engineering, Shandong University, Qingdao 266237, ChinaBased on an as-prepared high-quality WS<sub>2</sub> film and an electro-optic modulator (EOM), a dual-loss-modulated low repetition rate mode-locking laser at 0.53 μm with high peak power is presented for the first time. The laser characteristics versus the pump power are investigated experimentally and theoretically. At a pump power of 10.67 W, the shortest pulse duration of 305 ps can be measured, corresponding to the highest peak power of 931 kW, which is much higher than those of the single passive modulated lasers with WS<sub>2</sub>-SA. A simple rate equation simulation was used to describe this dual-loss-modulated mode-locking green laser based on WS<sub>2</sub> and EOM. The results of the numerical simulation are basically in accordance with the experimental values.https://www.mdpi.com/1420-3049/26/15/4406solid-statefrequency modulatedmode-locked pulseshigh peak powerrate equation
spellingShingle Wenjing Tang
Wanggen Sun
Jing Wang
Kai Jiang
Wei Xia
Shengzhi Zhao
Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
Molecules
solid-state
frequency modulated
mode-locked pulses
high peak power
rate equation
title Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
title_full Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
title_fullStr Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
title_full_unstemmed Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
title_short Generation of High Peak Power Mode-Locked Green Pulses Based on WS<sub>2</sub> and EOM: Experiment and Theory
title_sort generation of high peak power mode locked green pulses based on ws sub 2 sub and eom experiment and theory
topic solid-state
frequency modulated
mode-locked pulses
high peak power
rate equation
url https://www.mdpi.com/1420-3049/26/15/4406
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