Avant-Garde Ultrafast Laser Writing [PDF]
Ultrafast laser processing of transparent materials reveals new phenomena. Reviewed, are recent demonstrations of 5D optical memory, vortex polarization and Airy beam converters employing self-assembled nanostructuring, ultrafast laser calligraphy and polarization writing control using pulses with tilted front.
Kazansky, P.G. +2 more
openaire +3 more sources
Ultrafast Raman fiber laser: a review and prospect
Ultrafast Raman fiber laser has been proved to be an effective method to obtain ultrafast optical pulses at special wavelength. Yet, compared with conventional rare-earth doped counterparts, it is challenging for Raman fiber lasers to generate pulses ...
Jiaqi Zhou +5 more
doaj +1 more source
Terahertz four-wave mixing spectroscopy for study of ultrafast dynamics in a semiconductor optical amplifier [PDF]
Ultrafast dynamics in a 1.5-µm tensile-strained quantum-well optical amplifier has been studied by highly nondegenerate four-wave mixing at detuning frequencies up to 1.7 THz.
Dawson, Jay W. +5 more
core +1 more source
Graphene Mode-Locked Ultrafast Laser [PDF]
Graphene is at the center of a significant research effort. Near-ballistic transport at room temperature and high mobility make it a potential material for nanoelectronics. Its electronic and mechanical properties are also ideal for micro and nanomechanical systems, thin-film transistors and transparent and conductive composites and electrodes. Here we
Sun Z +8 more
openaire +5 more sources
Sub-100-fs Ultrafast Fiber Laser Using Nonlinear Optical Fiber Systems: Perspectives and Challenges
Sub-100-fs ultrafast fiber lasers are crucial light sources for various practical applications. Generating these lasers directly from fiber laser oscillators remain an important yet challenging task. Here, a comprehensive review is conducted on 2 general
Kuen Yao Lau +5 more
doaj +1 more source
Broadband saturable absorption in germanene for mode-locked Yb, Er, and Tm fiber lasers
Passively mode-locked lasers have been widely investigated as one of the effective methods to obtain ultrashort pulses. As an important part of passively mode-locked fiber lasers, the exploration of 2D material-based saturable absorber has become one of ...
Wang Qingbo +7 more
doaj +1 more source
SIMPEL: Circuit model for photonic spike processing laser neurons [PDF]
We propose an equivalent circuit model for photonic spike processing laser neurons with an embedded saturable absorber---a simulation model for photonic excitable lasers (SIMPEL).
Nahmias, Mitchell A. +4 more
core +3 more sources
Photonic crystal chips for optical interconnects and quantum information processing [PDF]
We have recently demonstrated a number of functional photonic crystals devices and circuits, including an ultrafast, room temperature, low threshold, nanocavity laser with the direct modulation speed approaching 1 THz, an all-optical switch controlled ...
Altug, Hatice +5 more
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Potential for ultrafast dynamic chemical imaging with few-cycle infrared lasers [PDF]
We studied the photoelectron spectra generated by an intense few-cycle infrared laser pulse. By focusing on the angular distributions of the back rescattered high energy photoelectrons, we show that accurate differential elastic scattering cross sections
Anh-Thu Le +11 more
core +3 more sources
Review on Principal and Applications of Temporal and Spatial Beam Shaping for Ultrafast Pulsed Laser
Ultrafast or ultrashort pulsed lasers have become integral in numerous industrial applications due to their high precision, non-thermal interaction with materials, and ability to induce nonlinear absorption.
Jong Hyun Kim, Hae Woon Choi
doaj +1 more source

