Results 71 to 80 of about 1,189,387 (221)

Bound states in the continuum in whispering gallery resonators with pointlike impurities

Scientific Reports
Whispering gallery resonators offer a versatile platform for manipulating the photonic transmission. Here, we study such a system, including periodically distributed pointlike impurities along the resonator with ring geometry.
M. A. Figueroa, Vladimir Juričić, P. A. Orellana   +2 more
doaj   +1 more source

Probing the strength of light–matter interaction in semiconductor microcavities by using resonant-mode shifts in temperature-dependent photoluminescence spectra

APL Materials, 2023
The Rabi-splitting energy represents the strength of light–matter interaction. This quantity is a good benchmark for evaluating the performance of light-modulation devices.
Sheng-Chan Wu, Chung-Xian Yang, Jer-Shing Huang, Yia-Chung Chang, Ching-Hang Chien, Hsu-Cheng Hsu   +5 more
doaj   +1 more source

ZnO Nanowires by Chemical Bath Deposition: A Review on Doping and Functional Devices

Electron, EarlyView.
This review reports the most recent and well‐established state‐of‐the‐art and scientific challenges related to the doping of ZnO nanowires by chemical bath deposition, encompassing native point and hydrogen‐related defects, as well as extrinsic dopants.
Clément Lausecker, Adrien Baillard, Estelle Appert, Vincent Consonni   +3 more
wiley   +1 more source

Visualizing the whispering gallery modes in a cylindrical optical microcavity [PDF]

, 1999
Whispering gallery modes in cylindrical integrated optics microcavities have, for what is to our knowledge the first time, been mapped with a photon scanning tunneling microscope. Optical images were obtained with a spatial resolution of 50 nm.
Korterik, J.P., Driessen, A., Balistreri, M.L.M., Kuipers, L., Klunder, D.J.W., van Hulst, N.F., Blom, F.C., Hoekstra, H.J.W.M.   +7 more
core   +1 more source

HIGH-Q SHIELDED DIELECTRIC DISK RESONATOR WITH WHISPERING GALLERY MODES

Radio Physics and Radio Astronomy, 2017
Purpose: Investigation of a shielded disk dielectric resonator (DR) having a high Q-factor and improved spectral characteristics. Design/methodology/approach: The experimental study of energy characteristics of the investigated shielded resonator was ...
A. E. Kogut, I. K. Kuz'michev, E. A. Kogut, R. S. Dolia, S. O. Nosatiuk, Ye. A. Shulha, He Jaochan   +6 more
doaj   +1 more source

Ultra-thin curved visible microdisk lasers with three-dimensional whispering gallery modes

Nanophotonics, 2020
Microdisk lasers are important components in photonic integrated circuits (PICs), of which the whispering gallery modes (WGMs) are usually confined within a two-dimensional (2D) planar slab.
Zhou Taojie, Ng Kar Wei, Sun Xiankai, Zhang Zhaoyu   +3 more
doaj   +1 more source

Nanophotonic Biosensors and the Paradigm of Trans‐Scale Autonomous Bio‐Integrated Diagnostics for Addressing Health Complexities

Electron, EarlyView.
Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary, Harsh Sable, Sonu Sonu, Lakshita Phor, Reddicherla Umapathi, Pradeep Bhadola   +5 more
wiley   +1 more source

Fluorene‐based blue emitters: On the path to electrically pumped organic lasers

FlexMat, EarlyView.
Electrically pumped efficient operation remains unrealized, a major challenge in optoelectronics. Fluorene‐based blue‐emitting semiconductors are promising gain media, thanks to their structural tunability and favorable emission properties. This review summarizes recent advances, highlights their reliability and versatility in lasing, and outlines key ...
Yong Yan, Hao Li, Mengna Yu, Huiyin Wang, Jiangqiang He, Menghan Wu, Quanyou Feng, Linghai Xie   +7 more
wiley   +1 more source

Whispering gallery resonator method for measurementspermittivity

Journal of Telecommunications and Information Technology, 2002
The new method of measuring permittivity is described. The measurements are performed using whispering gallery mode open dielectric resonators. The accuracy is assured by applications of the mode matching method.
Krzysztof Derzakowski, Adam Abramowic, Jerzy Krupka   +2 more
doaj   +1 more source

Room‐Temperature Polariton Condensation Into Superscar Modes in Growth‐Defined Triangular Micro‐Prism Resonators

Laser &Photonics Reviews, EarlyView.
High‐Q superscar modes in growth‐defined triangular GaN micro‐prism resonators enable strong exciton–photon coupling and room‐temperature polariton condensation, offering a scalable platform for integrated III‐nitride polariton devices. ABSTRACT Group III‐nitride semiconductors are regarded as key materials for realizing polariton devices operating at ...
Chan‐Young Sung, Jungwon Kim, Daegwang Choi, Hyun Gyu Song, Yong‐Hoon Cho   +4 more
wiley   +1 more source