Results 21 to 30 of about 80,318 (305)

Graphene Q-Switched Mode-Locked and Q-Switched Ion-Exchanged Waveguide Lasers [PDF]

open access: yesIEEE Photonics Technology Letters, 2015
In this letter, we present the use of monolayer graphene saturable absorbers to produce Q-switched and Q-switched mode-locked operation of Yb and Yb:Er-doped phosphate glass waveguide lasers, respectively. For the 1535-nm-wavelength Yb:Er laser, the Q-switched pulses have repetition rates up to 526 kHz and contain mode-locked pulses at a repetition ...
Amol Choudhary   +4 more
openaire   +3 more sources

Q-Switched Mode-Locking by Cascaded Second-Order Nonlinearity in a Nd:YVO4 Laser

open access: yesPhotonics
A diode-pumped Q-switched mode-locked Nd:YVO4 laser via a positive cascaded second-order Kerr lens using periodically poled MgO:SLT at 1064 nm was reported. Q-switched mode-locking performances, including pulse duration, output power, and bandwidth, were
Jia-Yang Chen   +2 more
doaj   +1 more source

Copper oxide nanomaterial saturable absorber as a new passive Q-switcher in erbium-doped fiber laser ring cavity configuration

open access: yesResults in Physics, 2018
A passively Q-switched erbium-doped fiber laser (EDFL) operating at 1560 nm is demonstrated by using a copper oxide (CuO) film as a saturable absorber (SA).
Sinan Abdulhameed Sadeq   +3 more
doaj   +1 more source

Tunable passively Q-switched ultranarrow linewidth erbium-doped fiber laser

open access: yesResults in Physics, 2020
A tunable passively Q-switched erbium-doped fiber laser with ultranarrow linewidth is proposed and demonstrated. With the single wall carbon nanotubes (SWCNTs) as the passive Q-switch, the ultranarrow linewidth laser operation is realized based on ...
M.Z. Zulkifli   +6 more
doaj   +1 more source

Self-balanced Q- and gain-switched erbium all-fiber laser

open access: yesAIP Advances, 2011
We demonstrate a 980-nm CW-pumped fully passive pulsed all-Er3+ all-fiber laser, self-balancing between being Q- and gain-switched at S and L bands.
Tzong-Yow Tsai   +4 more
doaj   +1 more source

A 1625 nm Q‐Switched All‐Fiber Laser

open access: yesAdvanced Photonics Research, 2022
A Q‐switched all‐fiber Er‐doped laser operated at a wavelength up to 1625 nm is proposed and demonstrated. A self‐developed, element hybridization (Al, Ge, La, P, and Er in the core, Si and P in the cladding region) glass fiber with gain extended to U ...
Huihui Cheng   +7 more
doaj   +1 more source

Linearly polarized, Q-switched Er-doped fiber laser based on reduced graphene oxide saturable absorber

open access: yes, 2012
We demonstrate generation of linearly polarized pulses from a passively Q-switched Erbium-doped fiber laser. The cavity was designed using only polarization maintaining (PM) fibers and components, resulting in linearly polarized output beam with degree ...
Abramski, Krzysztof M.   +7 more
core   +1 more source

High average power 1314 nm Nd:YLF laser, passively Q-switched with V:YAG [PDF]

open access: yes, 2013
A 1314 nm Nd:YLF laser was designed and operated both CW and passively Q-switched. Maximum CW output of 10.4 W resulted from 45.2 W of incident pump power. Passive Q-switching was obtained by inserting a V:YAG saturable absorber in the cavity.
Bollig, C.   +8 more
core   +1 more source

Passively Q-Switched Nd:YAG Laser With Graphene Oxide in Heavy Water

open access: yesIEEE Photonics Journal, 2014
Liquid saturable absorbers have some advantages in some aspects over solid saturable absorbers. In this paper, graphene oxide in heavy water (deuteroxide, D2O) dispersion was fabricated and used as absorber in Q-switched Nd:YAG laser for the first time ...
Qiao Wen   +4 more
doaj   +1 more source

High signal-to-noise ratio Q-switching erbium doped fiber laser pulse emission utilizing single layer trivial transfer graphene film saturable absorber [PDF]

open access: yes, 2016
This paper presents the high signal-to-noise ratio (SNR) Q-switched erbium-doped fiber laser pulse emission using a commercial single layer graphene (SLG) film as a saturable absorber (SA).
Abd Latif, Amirah   +3 more
core   +2 more sources

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