Results 21 to 30 of about 12,031 (250)

Monolithic high-contrast grating planar microcavities

open access: yesNanophotonics, 2020
Semiconductor planar microcavities significantly enhance the interaction between light and matter and are thus crucial as a fundamental research platform for investigations of quantum information processing, quantum dynamics, and exciton-polariton ...
Czyszanowski Tomasz   +4 more
doaj   +1 more source

Bound modes in dielectric microcavities [PDF]

open access: yesOptics Communications, 2003
5 pages, 3 ...
Visser, P.M., Allaart, K., Lenstra, D.
openaire   +4 more sources

Microcavity Effect in InAs/GaAs Quantum Dot Infrared Photodetector on a Si Substrate Fabricated With Metal Wafer Bonding and Epitaxial Lift-Off Techniques

open access: yesIEEE Photonics Journal, 2019
In this paper, the microcavity effect in quantum dot infrared photodetectors (QDIPs) on a Si substrate, fabricated by means of metal wafer bonding (MWB) and epitaxial lift-off (ELO) processes, was demonstrated by comparing the photocurrent spectrum and ...
Ho Sung Kim   +4 more
doaj   +1 more source

Ultrasound Sensing Using Packaged Microsphere Cavity in the Underwater Environment

open access: yesSensors, 2022
The technologies of ultrasound detection have a wide range of applications in marine science and industrial manufacturing. With the variation of the environment, the requirements of anti-interference, miniaturization, and ultra-sensitivity are put ...
Kai Wang   +6 more
doaj   +1 more source

Subwavelength silicon microcavities

open access: yesOptics Express, 2009
We present a study of the first silicon microdisk resonators which are smaller than the free-space resonant wavelength in all spatial dimensions. Spectral details of whispering gallery modes with azimuthal mode number m = 4-7 are measured in microdisks with diameters between 1.35 and 1.89microm and are studied at wavelengths from 1.52 to 1.62microm ...
Jeffrey, Shainline   +5 more
openaire   +2 more sources

Controlling molecular broadband-emission by optical confinement [PDF]

open access: yes, 2008
We investigate experimentally and theoretically the fluorescence emitted by molecular ensembles as well as spatially isolated, single molecules of an organic dye immobilized in a quasi-planar optical microresonator at room temperature.
Steiner, Mathias   +5 more
core   +1 more source

Optical Microcavity: Sensing down to Single Molecules and Atoms

open access: yesSensors, 2011
This review article discusses fundamentals of dielectric, low-loss, optical micro-resonator sensing, including figures of merit and a variety of microcavity designs, and future perspectives in microcavity-based optical sensing.
Shu-Yu Su   +2 more
doaj   +1 more source

Switchable Lasing in Multimode Microcavities [PDF]

open access: yesPhysical Review Letters, 2007
We propose the new concept of a switchable multimode microlaser. As a generic, realistic model of a multimode microresonator a system of two coupled defects in a two-dimensional photonic crystal is considered. We demonstrate theoretically that lasing of the cavity into one selected resonator mode can be caused by injecting an appropriate optical pulse ...
Zhukovsky, Sergei V.   +3 more
openaire   +3 more sources

Ultrahigh–Q Microtoroid On-Chip Resonators for Low Threshold Microlasers [PDF]

open access: yes, 2006
Recently demonstrated silica toroidal microcavities, as on-chip resonant cavities, become one of the most promising laser resonators due to their exceptional ability to confine optical energy temporarily and spatially (high Q-factor and small mode volume)
Min, Bumki
core   +1 more source

Photonic crystal waveband de-multiplexers

open access: yesResults in Physics, 2018
In this paper, we theoretically present a silicon photonic-crystal waveguide for waveband de-multiplexing. The waveguide is composed of three different microcavities, and three output ends.
Sampa Nkonde, Chun Jiang
doaj   +1 more source

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