Results 71 to 80 of about 18,423 (164)

Classification of electromagnetic resonances in finite inhomogeneous three-dimensional structures

open access: yes, 2005
We present a simple and unified classification of macroscopic electromagnetic resonances in finite arbitrarily inhomogeneous isotropic dielectric 3D structures situated in free space. By observing the complex-plane dynamics of the spatial spectrum of the
A. B. Samokhin   +2 more
core   +2 more sources

Twin lossy mode resonance on a single D-shaped optical fiber

open access: yesOptics Letters, 2021
This Letter presents the fabrication of dual lossy mode resonance (LMR) refractometers based on titanium dioxide ( T i O 2 ) and tin oxide ( S n O 2 ) thin films deposited on a single side-polished D-shaped optical fiber.
J. J. Imas   +5 more
openaire   +4 more sources

Complex-k modes of plasmonic chain waveguides

open access: yes, 2019
Nanoparticle chain waveguide based on negative-epsilon material is investigated through a generic 3D finite-element Bloch-mode solver which derives complex propagation constant ($k$).
Yan, M.
core   +1 more source

Lossy Mode Resonance Sensors Based on Planar Waveguides: Theoretical and Experimental Comparison

open access: yesIEEE Photonics Journal
Lossy mode resonance (LMR) has garnered significant attention in sensor applications. LMR was primarily explored in fiber-based systems, however, there has been a recent upsurge in its application within planar waveguides.
Edvins Letko   +2 more
doaj   +1 more source

TM02 Quarter-Mode Substrate-Integrated Waveguide Resonator for Dual Detection of Chemicals

open access: yesSensors, 2018
The detection of multiple fluids using a single chip has been attracting attention recently. A TM02 quarter-mode substrate-integrated waveguide resonator designed at 5.81 GHz on RT/duroid 6010LM with a return loss of 13 dB and an unloaded quality factor ...
Ahmed Salim, Sungjoon Lim
doaj   +1 more source

Propagation of optical excitations by dipolar interactions in metal nanoparticle chains

open access: yes, 2004
Dispersion relations for dipolar modes propagating along a chain of metal nanoparticles are calculated by solving the full Maxwell equations, including radiation damping.
C. Kittel   +5 more
core   +1 more source

Consequences of quantum noise control for the relaxation resonance frequency and phase noise in heterogeneous Silicon/III–V lasers

open access: yesScientific Reports, 2022
We have recently introduced a new semiconductor laser design which is based on an extreme, 99%, reduction of the laser mode absorption losses. In previous reports, we showed that this was achieved by a laser mode design which confines the great majority ...
Dongwan Kim   +7 more
doaj   +1 more source

Soft molecularly imprinted nanoparticles with simultaneous lossy mode and surface plasmon multi-resonances for femtomolar sensing of serum transferrin protein

open access: yesScientific Reports, 2023
The simultaneous interrogation of both lossy mode (LMR) and surface plasmon (SPR) resonances was herein exploited for the first time to devise a sensor in combination with soft molecularly imprinting of nanoparticles (nanoMIPs), specifically entailed of ...
Francesco Arcadio   +8 more
doaj   +1 more source

Vacuum field energy and spontaneous emission in anomalously dispersive cavities

open access: yes, 2010
Anomalously dispersive cavities, particularly white light cavities, may have larger bandwidth to finesse ratios than their normally dispersive counterparts.
Douglas H. Bradshaw   +4 more
core   +1 more source

Optical Fiber Exhaled Breath Sensor Based on Lossy Mode Resonance Using a Graphene Oxide Sensitive Coating

open access: yesProceedings, 2017
Optical fiber sensors (OFS) have attracted increasing attention due to their benefits over [...]
Pedro Sanchez   +5 more
doaj   +1 more source

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