Generation of Q-switched-mode-locked operations in Er-doped fiber laser based on dispersion compensating fiber saturable absorber
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2021.117966
Abstract: Abstract In our work, the stable Q-switched-mode-locked (QML) operations were generated in Er-doped fiber laser based on dispersion compensating fiber (DCF) saturable absorber (SA) for the first time. Firstly, the dissipative soliton mode-locked operation was… read more here.
Keywords: switched mode; fiber laser; mode locked; fiber ... See more keywords
Tungsten disulfide - graphene oxide as saturable absorber for passively Q-switched mode-locked Nd: GdTaO 4 laser at 1066 nm
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.04.058
Abstract: Abstract Tungsten disulfide (WS2) & Graphene oxide (GO) based saturable absorber (SA) was demonstrated and studies for passively Q-switched mode-locked Nd:GdTaO4 laser. The fabrication process of mixed SA was described. Passively Q-switched mode-locked operation with… read more here.
Keywords: mode locked; switched mode; absorber; passively switched ... See more keywords
Q-switched and mode-locked thulium-doped fiber laser with pure Antimony film Saturable absorber
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.03.073
Abstract: Abstract Stable and compact Q-switched and mode-locked thulium-doped fiber laser (TDFL) is demonstrated by employing Antimony (Sb) film Saturable absorber (SA) in the ring cavity. The Sb film SA is fabricated by sputtering a thin… read more here.
Keywords: mode locked; laser; switched mode; power ... See more keywords
Self-Q-switching and passively Q-switched mode-locking of dual-wavelength Nd:YSAG laser
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2019.105860
Abstract: Abstract In this paper, self-Q-switched (SQS) and passively Q-switched mode-locked (QML) dual-wavelength Nd:YSAG lasers are reported, that works at 1058.97 and 1061.49 nm, simultaneously. Till now, the performance on SQS, and passively QML operation by using… read more here.
Keywords: switched mode; ysag laser; ysag; passively switched ... See more keywords
Q-switched mode-locked Nd:GGG waveguide laser with tin disulfide as saturable absorber
Sign Up to like & getrecommendations! Published in 2020 at "Optical Materials"
DOI: 10.1016/j.optmat.2020.109702
Abstract: Abstract We demonstrate a Q-switched mode-locked waveguide laser operation with high fundamental repetition rate based on the few-layer tin disulfide (SnS2) as a saturable absorber. The excellent nonlinear optical property of SnS2 enables efficient pulsed… read more here.
Keywords: mode locked; switched mode; waveguide laser; tin disulfide ... See more keywords
Q-switched mode-locked laser generation by Au nanoparticles embedded in LiTaO3 crystals
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials"
DOI: 10.1016/j.optmat.2021.111714
Abstract: Abstract Au nanoparticles (NPs) in lithium tantalate (LiTaO3) crystal were prepared by ion implantation technique. The microstructure of the formed Au NPs was observed by transmission electron microscope (TEM). The linear and non-linear optical response… read more here.
Keywords: switched mode; locked laser; embedded litao3; mode locked ... See more keywords
Holmium oxide thin film as a saturable absorber for generating Q-switched and mode-locked erbium-doped fiber lasers
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.101996
Abstract: Abstract We demonstrated a new type of transition metal oxide (TMO) material, Holmium oxide (Ho2O3) polymer film SA for compact passively Q-switched and mode-locked erbium-doped fiber laser (EDFL) generations. The film SA has a thickness… read more here.
Keywords: locked erbium; holmium oxide; mode locked; film ... See more keywords
Q-switched and mode-locked ytterbium-doped fibre lasers with Sb2Te3 topological insulator saturable absorber
Sign Up to like & getrecommendations! Published in 2018 at "Iet Optoelectronics"
DOI: 10.1049/iet-opt.2017.0134
Abstract: Q-switched and mode-locked fibre lasers have been successfully demonstrated in ytterbium-doped fibre laser cavity by taking an advantage of the optical absorption of antimony telluride (Sb2Te3) material. The Sb2Te3 was embedded into polyvinyl alcohol to… read more here.
Keywords: mode locked; switched mode; power; fibre lasers ... See more keywords
Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front End
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3144771
Abstract: This article presents a two-chip supply modulation architecture for efficient RF power amplification using a fully switched-mode supply modulator (SM) and a linear-assisted hybrid SM to support simultaneous transmission on long-term evolution (LTE) and 5G… read more here.
Keywords: switched mode; supply; output; power ... See more keywords
Simulation of Switched-Mode Power Conversion Circuits With Extended Impedance Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3178447
Abstract: Efficient simulation of switched-mode power conversion circuits is necessary for the analysis and optimization of power electronics. This paper introduces the extended impedance method (EIM) to the simulation and analysis of general switched-mode power converter… read more here.
Keywords: switched mode; conversion circuits; mode power; power ... See more keywords
Mode-locked and Q-switched mode-locked fiber laser based on a ferroferric-oxide nanoparticles saturable absorber.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.391006
Abstract: We demonstrated an ultrafast erbium-doped fiber laser (EDFL) based on ferroferric-oxide (Fe3O4) nanoparticles as a saturable absorber (SA). The investigated SA was based on magnetic fluid deposited on the end face of a fiber ferrule… read more here.
Keywords: mode locked; switched mode; fiber laser; mode ... See more keywords