Results 11 to 20 of about 133,494 (283)

Non-Hermitian topological whispering gallery

open access: yesNature, 2021
In 1878, Lord Rayleigh observed the highly celebrated phenomenon of sound waves that creep around the curved gallery of St Paul's Cathedral in London1,2. These whispering-gallery waves scatter efficiently with little diffraction around an enclosure and have since found applications in ultrasonic fatigue and crack testing, and in the optical sensing of ...
Bolun Hu, Zhiwang Zhang, Wei Xiong
exaly   +5 more sources

Whispering-Gallery Sensors. [PDF]

open access: yesMatter, 2020
Optical whispering-gallery mode (WGM) microresonators, confining resonant photons in a microscale volume for long periods of time, strongly enhance light-matter interactions, making them an ideal platform for photonic sensors. One of the features of WGM sensors is their capability to respond to environmental perturbations that influence the optical ...
Jiang X, Qavi AJ, Huang SH, Yang L.
europepmc   +5 more sources

Whispering Gallery Mode Thermometry [PDF]

open access: yesSensors, 2016
This paper presents a state-of-the-art whispering gallery mode (WGM) thermometer system, which could replace platinum resistance thermometers currently used in many industrial applications, thus overcoming some of their well-known limitations and their ...
Simone Corbellini   +4 more
doaj   +4 more sources

Whispering Gallery‐Mode Microdroplet Tensiometry [PDF]

open access: yesAdvanced Photonics Research, 2021
Droplets are ideally suited to support high‐Q‐factor whispering gallery modes (WGMs) due to their perfectly smooth surface. WGMs enable extremely precise measurements of the droplet properties such as size and shape.
Gregor Pirnat, Matjaž Humar
doaj   +3 more sources

Bound states in the continuum in whispering gallery resonators with pointlike impurities [PDF]

open access: yesScientific 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   +2 more
doaj   +2 more sources

Deep-learning powered whispering gallery mode sensor based on multiplexed imaging at fixed frequency

open access: yesOpto-Electronic Advances, 2020
During the last decades the whispering gallery mode based sensors have become a prominent solution for label-free sensing of various physical and chemical parameters.
Saetchnikov Anton V.   +3 more
doaj   +2 more sources

Photo-elasticity of silk fibroin harnessing whispering gallery modes [PDF]

open access: yesScientific Reports, 2023
Silk fibroin is an important biomaterial for photonic devices in wearable systems. The functionality of such devices is inherently influenced by the stimulation from elastic deformations, which are mutually coupled through photo-elasticity.
Nikolaos Korakas   +9 more
doaj   +2 more sources

Monitoring Single DNA Docking Site Activity with Sequential Modes of an Optoplasmonic Whispering-Gallery Mode Biosensor [PDF]

open access: yesSensors
In recent years, there has been rapid advancement in single-molecule techniques, driven by their unparalleled precision in studying molecules whose sizes are beyond the diffraction limit.
Narima Eerqing   +4 more
doaj   +2 more sources

Parity–time-symmetric whispering-gallery microcavities [PDF]

open access: greenNature Physics, 2014
Optical systems combining balanced loss and gain provide a unique platform to implement classical analogues of quantum systems described by non-Hermitian parity–time (PT)-symmetric Hamiltonians. Such systems can be used to create synthetic materials with
Bo Peng   +9 more
openalex   +2 more sources

Single whispering-gallery mode lasing in polymer bottle microresonators via spatial pump engineering

open access: yesLight: Science and Applications, 2017
Single-mode lasing in whispering-gallery mode (WGM) microresonators is challenging to achieve. In bottle microresonators, the highly non-degenerated WGMs are spatially well-separated along the long-axis direction and provide mode-selection capability. In
Fuxing Gu, Xing Lin, Shuangyi Linghu
exaly   +2 more sources

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