Plasmonic particle-on-film nanocavities: a versatile platform for plasmon-enhanced spectroscopy and photochemistry

GC Li, Q Zhang, SA Maier, D Lei - Nanophotonics, 2018 - degruyter.com
Metallic nanostructures with nanometer gaps support hybrid plasmonic modes with an
extremely small mode volume and strong local field intensity, which constitutes an attractive …

Planar diffractive lenses: fundamentals, functionalities, and applications

K Huang, F Qin, H Liu, H Ye, CW Qiu… - Advanced …, 2018 - Wiley Online Library
Traditional objective lenses in modern microscopy, based on the refraction of light, are
restricted by the Rayleigh diffraction limit. The existing methods to overcome this limit can be …

Ultrahigh-capacity non-periodic photon sieves operating in visible light

K Huang, H Liu, FJ Garcia-Vidal, M Hong… - Nature …, 2015 - nature.com
Miniaturization of optical structures makes it possible to control light at the nanoscale, but on
the other hand it imposes a challenge of accurately handling numerous unit elements in a …

Cylindrical vector beam generation in fiber with mode selectivity and wavelength tunability over broadband by acoustic flexural wave

W Zhang, L Huang, K Wei, P Li, B Jiang, D Mao… - Optics express, 2016 - opg.optica.org
Theoretical analysis and experimental demonstration are presented for the generation of
cylindrical vector beams (CVBs) via mode conversion in fiber from HE_11 mode to TM_01 …

Hybrid plasmonic gap modes in metal film-coupled dimers and their physical origins revealed by polarization resolved dark field spectroscopy

GC Li, YL Zhang, DY Lei - Nanoscale, 2016 - pubs.rsc.org
Plasmonic gap modes sustained by metal film-coupled nanostructures have recently
attracted extensive research attention due to flexible control over their spectral response and …

Ultrabroadband metasurface for efficient light trapping and localization: A universal surface‐enhanced Raman spectroscopy substrate for “all” excitation wavelengths

N Zhang, K Liu, Z Liu, H Song, X Zeng… - Advanced Materials …, 2015 - Wiley Online Library
Most reported surface‐enhanced Raman spectroscopy (SERS) substrates can work for
individual excitation wavelengths only. Therefore, different substrates have to be used for …

Generation of cylindrical vector beams and optical vortex by two acoustically induced fiber gratings with orthogonal vibration directions

K Wei, W Zhang, L Huang, D Mao, F Gao, T Mei… - Optics …, 2017 - opg.optica.org
Mode coupling from the fundamental vector mode (HE11x) to the cylindrical vector beams
(CVBs) and optical vortex beams (OVBs) of a few-mode fiber excited by two acoustic flexural …

Plasmonic hybridization induced trapping and manipulation of a single Au nanowire on a metallic surface

Y Zhang, J Wang, J Shen, Z Man, W Shi, C Min… - Nano …, 2014 - ACS Publications
Hybridization in the narrow gaps between the surface plasmon polaritons (SPPs) along a
metal surface and the localized surface plasmons on metallic nano-objects strongly …

Spatial resolution in prism-based surface plasmon resonance microscopy

L Laplatine, L Leroy, R Calemczuk, D Baganizi… - Optics …, 2014 - opg.optica.org
Several optical surface sensing techniques, such as Surface Plasmon Resonance (SPR),
work by imaging the base of a prism by one of its faces. However, such a fundamental …

An all-copper plasmonic sandwich system obtained through directly depositing copper NPs on a CVD grown graphene/copper film and its application in SERS

X Li, X Ren, Y Zhang, WCH Choy, B Wei - Nanoscale, 2015 - pubs.rsc.org
A simple, low-cost, all-copper sandwich system has been obtained through directly
depositing Cu nanoparticles (NPs) onto a graphene sheet, which has already been grown …