标题:Passive Q-switching of femtosecond-laser-written Tm:KLu(WO4)(2) waveguide lasers by graphene and MoS2 saturable absorbers
作者:Kifle, Esrom; Mateos, Xavier; Vazquez de Aldana, Javier Rodriguez; Rodenas, Airan; Loiko, Pavel; Zakharov, Viktor; Veniaminov, Andrey; Y 更多
通讯作者:Mateos, X
作者机构:[Kifle, Esrom; Mateos, Xavier; Rodenas, Airan; Aguilo, Magdalena; Diaz, Francesc] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, Fis & Cristallog Mat 更多
会议名称:Conference on Solid State Lasers XXVII - Technology and Devices
会议日期:JAN 29-FEB 01, 2018
来源:SOLID STATE LASERS XXVII: TECHNOLOGY AND DEVICES
出版年:2018
卷:10511
DOI:10.1117/12.2291098
关键词:waveguide lasers; thulium lasers; femtosecond laser writing; passive; Q-switching; saturable absorber graphene; molybdenum disulfide
摘要:A buried depressed-index channel waveguide with a circular cladding and a core diameter of 40 gm is fabricated in a bulk monoclinic 3 at.% Tm:KLu(WO4)(2) crystal by femtosecond direct laser writing. In the continuous-wave regime, the Tm waveguide laser generates similar to 210 mW at 1849.6 nm with a slope efficiency eta of 40.8%. Passively Q-switched operation is achieved by inserting transmission-type 2D saturable absorbers (SAs) based on few-layer graphene and MoS2. Using the graphene-SA, a maximum average output power of similar to 25 mW is generated at 1844.8 nm. The pulse characteristics (duration/energy) are 88 ns/18 nJ at a repetition rate of 1.39 MHz.
收录类别:CPCI-S;SCOPUS
资源类型:会议论文;期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045148235&doi=10.1117%2f12.2291098&partnerID=40&md5=5ffce1e4460f1f86f3741cf003b09460
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