Publications related to Optical antenna for surface enhanced Raman scattering (SERS)

Related publications (17)

Raman Biosensing of Sweat Metabolites: Univariate vs. Multivariate Algorithms

Over the past eight years, there has been a remarkable surge in the field of sweat analysis, as a non-invasive, continuous, and multi-metabolite monitoring solution tailored for wearable devices. However, its full potential has yet to be fully realized due ...

IEEE2024

Remote Dual-Cavity Enhanced Second Harmonic Generation in a Hybrid Plasmonic Waveguide

Wen Chen

On-chip nanoscale optical platforms capable of efficient second harmonic generation (SHG) are highly desired for optical sensing, subwavelength coherent sources, and quantum photonic devices. Here, we develop a remotely excited dual cavity resonance scheme ...

AMER CHEMICAL SOC2022

Gap-Plasmon-Enhanced High-Spatial-Resolution Imaging by Photothermal-Induced Resonance in the Visible Range

Giovanni Dietler, Serguei Sekatski, Jiangtao Zhou, Anton Smirnov

Chemical characterization at the nanoscale is of significant importance for many applications in physics, analytical chemistry, material science, and biology. Despite the intensive studies in the infrared range, high-spatial resolution and high-sensitivity ...

AMER CHEMICAL SOC2019

Angle-multiplexed all-dielectric metasurfaces for broadband molecular fingerprint retrieval

Hatice Altug, Andreas Tittl, Aleksandrs Leitis

Infrared spectroscopy resolves the structure of molecules by detecting their characteristic vibrational fingerprints. Subwavelength light confinement and nanophotonic enhancement have extended the scope of this technique for monolayer studies. However, cur ...

2019

Where Does Energy Go in Electron Energy Loss Spectroscopy of Nanostructures?

Jürgen Brugger, Olivier Martin, Duncan Thomas Lindsay Alexander, Jérémy Butet, Valentin Flauraud, Gabriel David Bernasconi

Electron energy loss spectroscopy is a method of choice for the characterization of both the spatial and spectral properties of localized surface plasmon resonances. The energy lost by the impinging electrons is commonly explained by the Lorentz force acti ...

2017

Direct Comparison of Second Harmonic Generation and Two-Photon Photoluminescence from Single Connected Gold Nanodimers

Olivier Martin, Jérémy Butet

In this article we compare the two-photon photoluminescence and second harmonic generation from single connected gold nanodimers. Analyzing the particle size-dependent nonlinear optical spectra and performing excitation polarization resolved measurements u ...

American Chemical Society2016

High spectral resolution waveguide spectrometer with enhanced throughput for space and commercial applications

Mohammadreza Madi

This dissertation presents the results concerning the development of an innovative high spectral resolution waveguide spectrometer, from the concept to the prototype demonstration and the test results. The main innovative aspects of this instrument are the ...

EPFL2016

The Sommerfeld Halfspace Problem Redux: Alternative Field Representations, Role of Zenneck and Surface Plasmon Waves

Juan Ramon Mosig, Krzysztof Michalski

The problem of a vertical Hertzian dipole radiating in the presence of a lossy conducting halfspace, first formally solved by Sommerfeld in 1909, is revisited. Using rigorous operator theory concepts and the characteristic Green function procedure, alterna ...

Ieee-Inst Electrical Electronics Engineers Inc2015

Fano-resonant aluminum and gold nanostructures created with a tunable, up-scalable process

Olivier Martin, Benjamin Gallinet

An up-scalable approach for creating Fano-resonant nanostructures on large surfaces at visible wavelengths is demonstrated. The use of processes suitable for high throughput fabrication and the choice of aluminum as a cost-efficient plasmonic material ensu ...

Royal Society of Chemistry2015

LSPR properties of metal nanoparticles adsorbed at a liquid–liquid interface

Hubert Girault, Pingping Fang

Unlike the solid–air and solid–liquid interfaces, the optical properties of metal nanoparticles adsorbed at the liquid–liquid interface have not been theoretically exploited to date. In this work, the three dimensional finite difference time domain (3D-FDT ...

Royal Soc Chemistry2013

Time-Resolved Indirect Nanoplasmonic Sensing Spectroscopy of Dye Molecule Interactions with Dense and Mesoporous TiO2 Films

Michael Graetzel, Leo-Philipp Heiniger

Indirect nanoplasmonic sensing (INPS) is an experimental platform exploiting localized surface plasmon resonance (LSPR) detection of processes in nanomaterials, molecular assemblies, and films at the nanoscale. Here we have for the first time applied INPS ...

American Chemical Society2012

Coiled coils: attractive protein folding motifs for the fabrication of self-assembled, responsive and bioactive materials

Harm-Anton Klok, Maarten Danial, Bojana Portmann

The coiled coil is a superhelical protein structural motif that consists of two or more alpha-helical peptides that are wrapped around each other in superhelical fashion. Coiled coils are amongst the most ubiquitous folding motifs found in proteins and hav ...

Royal Society of Chemistry2010

Experimental strategies for studying transcription factor-DNA binding specificities

Sebastian Maerkl

Specific binding of transcription factors (TFs) determines in a large part the connectivity of gene regulatory networks as well as the quantitative level of gene expression. A multiplicity of both experimental and computational methods is currently used to ...

2010

Surface enhanced Raman scattering of carbon nanotubes decorated by individual fluorescent gold particles

Klaus Kern, Marko Burghard, Kannan Balasubramanian, Tilman Assmus

Confocal optical microscopy was employed to study the effect of surface-enhanced Raman scattering on individual single-walled carbon nanotubes covered with isolated gold particles. The gold particles with diameters between 10 and 120 nm were deposited in l ...

2008

Surface polaritons of small coated cylinders illuminated by normal incident TM and TE plane waves

Juan Ramon Mosig, Olivier Martin

The surface polariton properties of TM or TE plane wave scattered by a coated cylinder are investigated in this paper. The coated cylinder (whose outer radius is much smaller than the wavelength) is assumed to be electrically small and low dissipative. Ana ...

Optical Society of America2008

Nature of localized surface plasmon resonances in coupled nanowires arrays

Olivier Martin

2006

Optical interactions in a plasmonic particle coupled to a metallic film

Olivier Martin

The interplay between localized surface plasmon (LSP) and surface plasmon-polariton (SPP) is studied in detail in a system composed of a three-dimensional gold particle located at a short distance from a gold thin film. Important frequency shifts of the LS ...

Optical Society of America2006