Results 11 to 20 of about 7,426,228 (285)

Synthetic-lattice enabled all-optical devices based on orbital angular momentum of light. [PDF]

open access: yesNat Commun, 2017
All-optical photonic devices are crucial for many important photonic technologies and applications, ranging from optical communication to quantum information processing.
Luo XW   +6 more
europepmc   +3 more sources

Shapeshifting Diffractive Optical Devices [PDF]

open access: yesLaser & Photonics reviews, 2021
In optical devices like diffraction gratings and Fresnel lenses, light wavefront is engineered through the structuring of device surface morphology, within thicknesses comparable to the light wavelength.
S. Oscurato   +5 more
semanticscholar   +1 more source

Fiber-Based Techniques to Suppress Stimulated Brillouin Scattering

open access: yesPhotonics, 2023
Stimulated Brillouin scattering (SBS) is the major factor that limits the maximum optical fiber output power in narrow linewidth applications, which include important fields such as passive optical networks (PONs), high-power fiber amplifiers, and lasers.
Bin Huang, Jiaqi Wang, Xiaopeng Shao
doaj   +1 more source

Block Copolymer Directed Metamaterials and Metasurfaces for Novel Optical Devices

open access: yesAdvanced Optical Materials, 2021
Optical metamaterials are artificially engineered architectures that exhibit desired optical properties not found in nature. Bespoke design requires the ability to define shape, size, orientation, and composition of material structures on the nanometer ...
A. Alvarez‐Fernandez   +6 more
semanticscholar   +1 more source

Interfacial engineering of nanostructured photoanode in fiber dye‐sensitized solar cells for self‐charging power systems

open access: yesEcoMat, 2022
Solar cells offer an environmentally sustainable and convenient option for power source of next‐generation wearable electronics. Due to the advantages of low cost, easy fabrication and deformation, fiber dye‐sensitized solar cells (FDSSCs) are required ...
Weixing Song   +4 more
doaj   +1 more source

Tuning of Graphene-Based Optical Devices Operating in the Near-Infrared

open access: yesApplied Sciences, 2021
Graphene is a material with exceptional optical, electrical and physicochemical properties that can be combined with dielectric waveguides. To date, several optical devices based on graphene have been modeled and fabricated operating in the near-infrared
A. Vorobev   +5 more
semanticscholar   +1 more source

Single-color peripheral photoinhibition lithography of nanophotonic structures

open access: yesPhotoniX, 2022
Advances in direct laser writing to attain super-resolution are required to improve fabrication performance and develop potential applications for nanophotonics.
Minfei He   +14 more
doaj   +1 more source

Efficient and Broadband Emission in Dy3+-Doped Glass-Ceramic Fibers for Tunable Yellow Fiber Laser

open access: yesNanomaterials, 2023
Yellow lasers are of great interest in biology, medicine and display technology. However, nonlinear emission of near-infrared lasers at yellow still presents particularly complex optical alignment to date.
Qianyi Chen   +9 more
doaj   +1 more source

Review of blue perovskite light emitting diodes with optimization strategies for perovskite film and device structure

open access: yesOpto-Electronic Advances, 2021
Perovskite light emitting diodes (PeLEDs) have attracted considerable research attention because of their external quantum efficiency (EQE) of >20% and have potential scope for further improvement.
Zongtao Li   +5 more
doaj   +1 more source

Limits to Maximum Absorption Length in Waveguide Photodiodes

open access: yesIEEE Photonics Journal, 2011
The maximum photocurrent, power dissipation, and linearity of waveguide photodiodes are limited by the length over which the input optical power is absorbed.
Shannon M. Madison   +5 more
doaj   +1 more source

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