Optical refractive index sensors with plasmonic and photonic structures: promising and inconvenient truth

Y Xu, P Bai, X Zhou, Y Akimov, CE Png… - Advanced Optical …, 2019 - Wiley Online Library
Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

[HTML][HTML] New concept ultraviolet photodetectors

H Chen, K Liu, L Hu, AA Al-Ghamdi, X Fang - Materials Today, 2015 - Elsevier
Benefitting from the continuous innovations in semiconductor materials and device
fabricating techniques, ultraviolet (UV) photodetectors have been successfully used in …

Directive giant upconversion by supercritical bound states in the continuum

C Schiattarella, S Romano, L Sirleto, V Mocella… - Nature, 2024 - nature.com
Photonic bound states in the continuum (BICs), embedded in the spectrum of free-space
waves, with diverging radiative quality factor, are topologically non-trivial dark modes in …

Active dielectric metasurface based on phase‐change medium

CH Chu, ML Tseng, J Chen, PC Wu… - Laser & Photonics …, 2016 - Wiley Online Library
We propose all‐dielectric metasurfaces that can be actively re‐configured using the phase‐
change material Ge2Sb2Te5 (GST) alloy. With selectively controlled phase transitions on …

Aluminum plasmonic nanoantennas

MW Knight, L Liu, Y Wang, L Brown, S Mukherjee… - Nano …, 2012 - ACS Publications
The use of aluminum for plasmonic nanostructures opens up new possibilities, such as
access to short-wavelength regions of the spectrum, complementary metal–oxide …

Plasmonic nanoclusters: near field properties of the Fano resonance interrogated with SERS

J Ye, F Wen, H Sobhani, JB Lassiter, P Van Dorpe… - Nano …, 2012 - ACS Publications
While the far field properties of Fano resonances are well-known, clusters of plasmonic
nanoparticles also possess Fano resonances with unique and spatially complex near field …

Structure enhancement factor relationships in single gold nanoantennas by surface-enhanced Raman excitation spectroscopy

SL Kleinman, B Sharma, MG Blaber… - Journal of the …, 2013 - ACS Publications
Determining the existence of any direct spectral relationship between the far-field scattering
properties and the near-field Raman-enhancing properties of surface-enhanced Raman …

Emerging advances in nanomedicine with engineered gold nanostructures

JA Webb, R Bardhan - Nanoscale, 2014 - pubs.rsc.org
Gold nanostructures possess unique characteristics that enable their use as contrast agents,
as therapeutic entities, and as scaffolds to adhere functional molecules, therapeutic cargo …

Mechanisms of Fano resonances in coupled plasmonic systems

A Lovera, B Gallinet, P Nordlander, OJF Martin - ACS nano, 2013 - ACS Publications
Fano resonances in hybridized systems formed from the interaction of bright modes only are
reported. Despite precedent works, we demonstrate theoretically and experimentally that …

Plasmonic nanosensor based on Fano resonance<? A3B2 show [pmg: line-break justify=" yes"/]?> in waveguide-coupled resonators

H Lu, X Liu, D Mao, G Wang - Optics letters, 2012 - opg.optica.org
We propose a plasmonic nanosensor based on Fano resonance in the strong-confinement
metal–dielectric–metal waveguide side-coupled with a pair of nanoresonators. Due to the …