Results 91 to 100 of about 10,964,121 (204)

Compact Single‐Shot Incoherent Edge Detection With a Polarization‐Multiplexed Metalens

open access: yesLaser &Photonics Reviews, EarlyView.
A polarization‐sensitive metalens enables single‐shot incoherent edge detection by generating two polarization‐dependent images and digitally subtracting them to realize a high‐pass optical transfer function. ABSTRACT Edge detection under incoherent illumination is highly desirable for compact vision systems but remains challenging due to the lack of ...
Weiyan Li   +17 more
wiley   +1 more source

Rotation-enhanced photonic spin Hall effect in a ring Bose–Einstein condensate

open access: yesNew Journal of Physics
We show that rotation can strongly amplify the photonic spin Hall effect in a ring Bose–Einstein condensate. For an incident probe beam carrying orbital angular momentum (OAM), the spin-dependent transverse shift of the reflected light is weak in the non-
Leibo Deng   +4 more
doaj   +1 more source

Emergence of Rashba Spin‐Orbit Coupling in Staggered‐Gyromagnetic Photonic Crystals

open access: yesLaser &Photonics Reviews, EarlyView.
Rashba spin‐orbit coupling emerges in a staggered‐gyromagnetic photonic crystal under a uniform out‐of‐plane magnetic bias. The staggered magnetization splits a four‐fold Dirac point into a Rashba band structure carrying helical spin textures, verified by a four‐band k‐p model.
Yao‐Ting Wang, Wenlong Gao
wiley   +1 more source

On-Chip Photonic Spin Hall Lens

open access: yes, 2019
Focusing and Fourier transformation are two key functionalities of optical lenses, which are vital for optical information refining and processing. These unique features persist and are even carried forward on a planar configuration that works on a ...
Guangyuan Si   +17 more
core   +2 more sources

Enhancing Chiroptical Selectivity and Device Stability of Chiral Perovskite Photodetectors Via Interfacial AlF3 Passivation

open access: yesSmall Methods, EarlyView.
An ALD‐grown AlF3 underlayer promotes grain growth, defect passivation, and improved crystalline ordering in chiral perovskite films. The resulting films exhibit enhanced chiroptical properties, superior circularly polarized light photodetector performance, and improved stability, establishing an inorganic interface‐engineering strategy broadly ...
Hyejin Lim   +12 more
wiley   +1 more source

Theoretical design of manipulating the number of photonic spin Hall effect channels with Tamm plasmon polariton and its sensing capabilities.

open access: yesOptics Express
In this paper, the induction effect of Tamm plasmon polariton (TPP) mode on photonic spin Hall effect (PSHE) is discovered. As the incident angle increases, the TPP mode exhibits a polarization separation effect, which is conducive to the emergence of ...
Xiang Li   +4 more
semanticscholar   +1 more source

Misaligning Cascaded Liquid Crystal Elements for Continuously Tunable Axial Spin‐Dependent Splitting

open access: yesNanophotonics, Volume 15, Issue 17, 11 September 2026.
Continuously tunable axial spin splitting is achieved by controlling the lateral misalignment of cascaded Pancharatnam‐Berry phase liquid crystal elements. The displacement generates a spin‐dependent quadratic phase, enabling linear, sign‐reversible focal adjustment and dynamic focus interchange for orthogonal circular polarizations.
Yougang Ke   +7 more
wiley   +1 more source

Superprism phenomena in planar photonic crystals [PDF]

open access: yes, 2002
We utilize the anomalous dispersion of planar photonic crystals near the dielectric band edge to control the wavelength-dependent propagation of light. We typically observe an angular swing of up to 10degrees as the input wavelength is changed from 1290 ...
Wu, L   +3 more
core   +1 more source

Low-loss broadband antenna for efficient photon collection from a coherent spin in diamond [PDF]

open access: yes, 2014
We report the creation of a low-loss broadband optical antenna giving highly directed output from a coherent single spin in the solid state. The device, a crystalline solid-state realization of a dielectric antenna, is engineered for individual nitrogen ...
Warburton, Richard J.   +7 more
core   +1 more source

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