Results 21 to 30 of about 75,024 (299)

Tailorable Brillouin Light Scattering in a Lithium Niobate Waveguide

open access: yesApplied Sciences, 2021
Stimulated Brillouin scattering (SBS) lasers based on silicon waveguides with large SBS gain have been widely used in frequency tunable laser emissions, mode-locked pulse lasers, low-noise oscillators, optical gyroscopes and other fields.
Wuyue Wang   +13 more
doaj   +1 more source

Effects of crosstalk in WDM optical label switching networks due to wavelength switching of a tunable laser [PDF]

open access: yes, 2006
rosstalk caused by switching events in fast tunable lasers in an optical label switching (OLS) system is investigated for the first time. A wavelength-division-multiplexed OLS system based on subcarrier multiplexed labels is presented which employs a 40 ...
Barry, Liam P.   +6 more
core   +1 more source

Tunable active chirped-corrugation waveguide filters [PDF]

open access: yes, 1989
A novel tunable semiconductor waveguide reflection filter is proposed and analyzed. The filter is based on spatially selective gain pumping of a chirped-corrugation waveguide.
Mittelstein, Michael   +2 more
core   +1 more source

Advances of Research on Dual-Frequency Solid-State Lasers for Synthetic-Wave Absolute-Distance Interferometry

open access: yesSensors, 2023
Frequency-difference-stabilized dual-frequency solid-state lasers with tunable and large frequency difference have become an ideal light source for the high-accuracy absolute-distance interferometric system due to their stable multistage synthetic ...
Mingxing Jiao   +6 more
doaj   +1 more source

Generation of widely tunable picosecond pulses with large SMSR by externally injecting a gain-switched dual laser source [PDF]

open access: yes, 2004
The authors demonstrate a procedure of generating picosecond optical pulses that are tunable over a wide wavelength range (65 nm) and have very high spectral purity side-mode suppression ratio [(SMSR)>60 dB].
Anandarajah, Prince M.   +2 more
core   +1 more source

Fast wavelength switching lasers using two-section slotted Fabry-Pérot structures [PDF]

open access: yes, 2006
Fast wavelength switching of a two-section slotted Fabry–PÉrot laser structure is presented. The slot design enables operation at five discrete wavelength channels spaced by 10 nm by tuning one section of the device.
Barry, Liam P.   +5 more
core   +1 more source

A High Power, Frequency Tunable Colloidal Quantum Dot (CdSe/ZnS) Laser

open access: yesNanomaterials, 2017
Tunable lasers are essential for medical, engineering and basic science research studies. Most conventional solid-state lasers are capable of producing a few million laser shots, but limited to specific wavelengths, which are bulky and very expensive ...
Saradh Prasad   +4 more
doaj   +1 more source

All-Fiber Gas Raman Laser by D2-Filled Hollow-Core Photonic Crystal Fibers

open access: yesPhotonics, 2021
We report here an all-fiber structure tunable gas Raman laser based on deuterium-filled hollow-core photonic crystal fibers (HC-PCFs). An all-fiber gas cavity is fabricated by fusion splicing a 49 m high-pressure deuterium-filled HC-PCF with two solid ...
Wenxi Pei   +4 more
doaj   +1 more source

Characterization of wavelength tunable lasers for future optical communication systems [PDF]

open access: yes, 2010
The use of tunable lasers (TL) in dense wavelength division multiplexed (DWDM) networks for optical switching, routing and networking has gained a lot of interest in recent years.
Anandarajah, Prince M.   +4 more
core   +1 more source

Pulse Narrowing and RF Linewidth Reduction of Integrated Passively Mode-Locked Laser in Anticolliding Design by Means of Spectral Tuning

open access: yesIEEE Photonics Journal, 2016
In this paper, we present the first tunable extended cavity integrated passively mode-locked laser realized in an anticolliding design. The laser is realized as an InP-based photonic integrated circuit.
V. Moskalenko   +2 more
doaj   +1 more source

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