Results 91 to 100 of about 14,300 (240)

The FLAME-slab method for electromagnetic wave scattering in aperiodic slabs

, 2017
The proposed numerical method, "FLAME-slab," solves electromagnetic wave scattering problems for aperiodic slab structures by exploiting short-range regularities in these structures.
Chong, Y. D., Mansha, Shampy, Tsukerman, Igor   +2 more
core   +1 more source

Synergistic Engineering of Oxygen Vacancies and Topological Surface States in Bi2Te3/TiO2‐X Heterostructures for Highly Efficient Photothermal‐Driven CO2 Photoreduction

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Integrating the topological insulator Bi2Te3 with oxygen‐deficient TiO2‐X creates a synergistic platform for full‐spectrum CO2 reduction, achieving high‐selectivity C2+ production via enhanced photothermal catalysis and tailored charge dynamics.
Bingke Zhang, Chenchen Zhao, Jing Qiao, Changcun Li, Yang Wang, Xingshuo Liu, Dongbo Wang, Gang Liu, Zhao Qian, Rajeev Ahuja, Jinzhong Wang, Degang Zhao   +11 more
wiley   +1 more source

Influence of the surface termination to the point imaging by a photonic crystal slab with negative refraction

, 2004
Point imaging by a photonic crystal slab due to the negative refraction is studied theoretically. By investigating the transfer function of the imaging system, the influence of the surface termination to the imaging quality is analyzed.
He, Sailing, Qiu, Min, Ruan, Zhichao, Xiao, Sanshui   +3 more
core   +1 more source

Directional spontaneous emission in photonic crystal slabs

Nanophotonics
Abstract Spontaneous emission is one of the most fundamental out-of-equilibrium processes in which an excited quantum emitter relaxes to the ground state due to quantum fluctuations. In this process, a photon is emitted that can interact with other nearby emitters and establish quantum correlations between them, e.g., via super and ...
Erik Navarro-Barón, Herbert Vinck-Posada, Alejandro González-Tudela   +2 more
openaire   +5 more sources

Bipolar photovoltaic effect in InSe/MoO3 van der Waals heterostructure for spontaneous light polarization detection

InfoMat, EarlyView.
Bidirectional photo response in a two‐dimensional heterojunction photodetector controlled by light wavelength and polarization. Abstract Polarization is one of the most fundamental properties of light. Traditional polarization‐sensitive photodetectors, however, are limited in their ability to fully extract this information, as they translate the two ...
Ronghui Lin, Thi Thu Ha Do, Xuan Vinh Ho, Qing Yang Steve Wu, Zeng Wang, Eugene Soh Jia Hao, Xian Wei Chua, Zi‐En Ooi, Ee Jin Teo, Son Tung Ha, Jinghua Teng   +10 more
wiley   +1 more source

Operation of an InAs quantum-dot embedded GaAs photonic crystal slab waveguide laser by using two-photon pumping for photonics integrated circuits

AIP Advances, 2016
The development of small sized laser operating above room temperature is important in the realization of optical integrated circuits. Recently, micro-lasers consisting of photonic crystals (PhCs) and whispering gallery mode cavities have been ...
H. Oda, A. Yamanaka, N. Ozaki, N. Ikeda, Y. Sugimoto   +4 more
doaj   +1 more source

Design and Numerical Evaluation of a Highly Selective CMOS-Compatible Mid-IR Thermal Emitter/Detector Structure Using Optical Tamm-States

Proceedings, 2018
In this work we propose and evaluate a concept for a selective thermal emitter suitable for monolithic on-chip integration suitable for fabrication by conventional CMOS-compatible processes. The concept is based on our recently presented work on vertical-
Gerald Pühringer, Bernhard Jakoby
doaj   +1 more source

Absorption suppression in photonic crystals

, 2008
We study electromagnetic properties of periodic composite structures, such as photonic crystals, involving lossy components. We show that in many cases a properly designed periodic structure can dramatically suppress the losses associated with the ...
A. Figotin, A. G. Gurevich, I. Vitebskiy, L. D. Landau   +3 more
core   +1 more source

First-principles method for high-$Q$ photonic crystal cavity mode calculations [PDF]

, 2012
We present a first-principles method to compute radiation properties of ultra-high quality factor photonic crystal cavities. Our Frequency-domain Approach for Radiation (FAR) can compute the far-field radiation pattern and quality factor of cavity modes $
Akahane, Bog, C. Martijn de Sterke, Chak, Chaumet, Christopher G. Poulton, Englund, Englund, Farjadpour, Galli, J.E. Sipe, Johnson, Kokou B. Dossou, Kuramochi, Lee, Lindsay C. Botten, Mandelshtam, McCutcheon, Nozaki, Portalupi, Ross C. McPhedran, Sahand Mahmoodian, Sauvan, Sipe, Song, Tomljenovic Hanic, Tomljenovic-Hanic, Tran, Yoshie, Zhang   +29 more
core   +1 more source

Recent Advances in Photonic Bound States in the Continuum: From Fundamentals to Engineering and Implementation

Laser &Photonics Reviews, EarlyView.
This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley   +1 more source