Results 81 to 90 of about 44,204 (309)

Above-mJ optical parametric chirped pulse amplifier at 3 μm for laser-driven coherent soft x-ray generation beyond the water window

open access: yesAPL Photonics
Optical parametric chirped pulse amplification (OPCPA) provides an excellent platform to generate ultrashort mid-infrared pulses in the spectral window beyond the scope of traditional mode-locked lasers. This technology has paved the path toward tabletop
Pritha Dey   +4 more
doaj   +1 more source

Nonlinear Optics in Semiconductor Optical Fibers [PDF]

open access: yes2018 IEEE Photonics Conference (IPC), 2018
This paper will review progress in the development of nonlinear devices from the semiconductor optical fibre platform. The nonlinear performance will be benchmarked through demonstrations of high-speed all-optical wavelength conversion, modulation, and continuum generation across a broad wavelength range.
openaire   +1 more source

Multilayer Extreme UV Optics [PDF]

open access: yes, 2011
Ultrathin layered structures are known to act well as Bragg reflectors for light down to sub-nanometer wavelengths. However, the application of such structures in multi-element optics for photolithography at the wavelength of 13.5 nm has imposed ...
Bijkerk, Frederik
core  

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo   +10 more
wiley   +1 more source

Surface Nonlinear Optics

open access: yesNonlinear Optics, 2011
Early work on nonlinear optical reflection at surfaces and interfaces has led to the development of surface nonlinear optical spectroscopy as a powerful technique for surface and interface studies.
openaire   +3 more sources

Investigation of nonlinear processes and device designs applicable to the creation of a compact, broadly tunable laser based on a tantalum pentoxide planar lightwave circuit platform [PDF]

open access: yes, 2010
Nonlinear photonic devices utilize phase-matched parametric wavelength conversion in a nonlinear medium to create a widely tunable pulsed laser source. Currently most of nonlinear lasers are based on bulk optics or photonic fibres.
Chen, Ruiqi
core  

Adaptive multilayer optics for extreme ultraviolet wavelengths [PDF]

open access: yes, 2015
In this thesis we describe the development of a new class of optical components to enhance the imaging performance by enabling adaptations of the optics.
Bayraktar, Muharrem   +1 more
core   +1 more source

Solution‐Processed Two‐Dimensional Indium Oxide on Sodium‐Embedded Alumina for Reconfigurable Optoelectronic Synaptic Transistors

open access: yesAdvanced Functional Materials, EarlyView.
Wafer‐scale two‐dimensioanl In2Se3 oxidized into InOx on sodium‐embedded beta‐alumina enables multifunctional reconfigurable electronics. Sodium ions accumulate within distinct spatial distribution under drain‐controlle and gate‐controlled operation. Drain‐control operation gives controllability of ultraviolet‐driven optoelectronic synaptic conductance
Jinhong Min   +13 more
wiley   +1 more source

Characterization of Orbital Angular Momentum Beams by Polar Mapping and Fourier Transform

open access: yesPhotonics
The recognition, decoding and tracking of vortex patterns is of increasing importance in many fields, ranging from the astronomical observations of distant galaxies to turbulence phenomena in liquids or gases. Currently, coherent light beams with orbital
Ruediger Grunwald, Martin Bock
doaj   +1 more source

Integrated Field‐Free SOT Domain‐Wall Synapses and MTJ Stochastic Neurons for Hardware Boltzmann Machines

open access: yesAdvanced Functional Materials, EarlyView.
Field‐free spin‐orbit torque domain‐wall synapses integrated with stochastic MTJ neurons enable compact hardware Boltzmann machines. Leveraging intrinsic stochasticity and multi‐level conductance, the system achieves efficient probabilistic learning with high accuracy, demonstrating a scalable spintronic platform for energy‐efficient edge AI.
Aijaz H. Lone   +8 more
wiley   +1 more source

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