Results 51 to 60 of about 367,511 (297)

PHOTON-PHOTON COLLISIONS [PDF]

open access: yesLe Journal de Physique Colloques, 1982
Studies of photon-photon collisions are reviewed with particular emphasis on new results reported to this conference. These include results on light meson spectroscopy and deep inelastic eγ scattering. Considerable work has now been accumulated on resonance production by γγ collisions.
openaire   +1 more source

Hybrid integration methods for on-chip quantum photonics [PDF]

open access: yes, 2019
The goal of integrated quantum photonics is to combine components for the generation, manipulation, and detection of nonclassical light in a phase-stable and efficient platform.
Aghaeimeibodi, Shahriar   +4 more
core   +2 more sources

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

All-Optical Switching Demonstrated with Photoactive Yellow Protein Films

open access: yesBiosensors, 2021
Integrated optics (IO) is a field of photonics which focuses on manufacturing circuits similar to those in integrated electronics, but that work on an optical basis to establish means of faster data transfer and processing. Currently, the biggest task in
Dániel Petrovszki   +4 more
doaj   +1 more source

Harnessing optical micro-combs for microwave photonics

open access: yes, 2018
In the past decade, optical frequency combs generated by high-Q micro-resonators, or micro-combs, which feature compact device footprints, high energy efficiency, and high-repetition-rates in broad optical bandwidths, have led to a revolution in a wide ...
Chu, Sai Tak   +8 more
core   +1 more source

Elinvar Materials: Recent Progress and Challenges

open access: yesAdvanced Engineering Materials, EarlyView.
Elinvar materials, exhibiting temperature‐invariant elastic modulus, are critical for precision instruments and emerging technologies. This article reviews recent progress in the field, with a focus on the anomalous thermoelastic behavior observed in key material systems.
Wenjie Li, Yang Ren
wiley   +1 more source

Graphene Twistronics: Tuning the Absorption Spectrum and Achieving Metamaterial Properties

open access: yesMathematics, 2023
Graphene twistronics using multilayer graphene is presented in such a way that it provides a metamaterial effect. This manuscript also analyzes the prediction of behavior using machine learning.
Ammar Armghan   +5 more
doaj   +1 more source

Photon mass

open access: yesInternational Journal of Physics and Applications, 2018
The atomic structure is presented on the basis of the theory of vortex gravitation. The feasibility and calculation of the values of the density and mass of electromagnetic particles are proposed. A calculation is made, which proves that the photon must have mass.
openaire   +2 more sources

Photonic lanterns [PDF]

open access: yesNanophotonics, 2013
AbstractMultimode optical fibers have been primarily (and almost solely) used as “light pipes” in short distance telecommunications and in remote and astronomical spectroscopy. The modal properties of the multimode waveguides are rarely exploited and mostly discussed in the context of guiding light.
Leon-Saval Sergio G.   +2 more
openaire   +3 more sources

Graphene Photonics and Optoelectronics

open access: yes, 2010
The richness of optical and electronic properties of graphene attracts enormous interest. Graphene has high mobility and optical transparency, in addition to flexibility, robustness and environmental stability.
A Hartschuh   +140 more
core   +1 more source

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