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Multifunctional Plasmonic Metasurfaces for Novel Spectral and Spatial Applications

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Inhibited emission of electromagnetic modes confined in subwavelength cavities

Romuald Houdré, Nicolas Le Thomas

We experimentally demonstrate the active inhibition of subwavelength confined cavity modes emission and quality factor enhancement by controlling the cavity optical surrounding. The intrinsic radiation angular spectrum of modes confined in planar photonics ...

2011

Digital Reverse Propagation in Focusing Kerr Media

Demetri Psaltis, Alexandre Goy

We report experimental image reverse propagation in focusing Kerr media. These results are compared with a linear Zernike filter operation. A method for the measurement of the nonlinear coefficient is derived from these results. (C) 2010 Optical Society of ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Reprogrammable magnonic crystals formed by interacting ferromagnetic nanowires

Dirk Grundler

Spin-wave (SW) modes are addressed which are confined in thin individual Ni 80Fe 20 nanowires with widths ranging from 220 to 360 nm. In periodic arrays with an edge-to-edge separation of down to 100 nm, confined modes of neighboring nanowires are found to ...

International Union of Pure and Applied Chemistry2011

Parametric Channelized Receiver for Single-Step Spectral Analysis

Camille Sophie Brès

We present new parametric channelized receiver for instantaneous RF spectrum characterization. Single resonant cavity filter combined with parametric wavelength multicasting achieved simultaneous channelization of 10GHz signal with 1GHz resolution and exti ...

2011

Antiferroelectric–ferroelectric phase boundary enhances polarization extension in rhombohedral Pb(Zr,Ti)O3

Dragan Damjanovic, Anirban Ghosh

The main mechanism of properties enhancement in the morphotropic phase boundary region separating tetragonal and rhombohedral phases of Pb(Zr1-xTix)O-3 (PZT) is related to polarization rotation. It is shown here that in proximity of the morphotropic phase ...

American Institute of Physics2011

Plasmonic Monopole Antenna Arrays for Biosensing, Spectroscopy and nm-Precision Optical Trapping

Hatice Altug, Arif Engin Cetin

We propose surface plasmon polariton driven plasmonic monopole antenna array system for biosensing, nanospectroscopy and optical trapping. The structure exhibits high refractive index sensitivities, nearfield resolution and optical gradient force. ...

IEEE2011

Optical Plasmonic Trapping

Lina Huang

This work focuses on trapping subwavelength objects using resonant plasmonic structures. Trapping entities include latex spheres, living cells and metallic particles; the plasmonic structures involved include subwavelength disks, subwavelength apertures, a ...

EPFL2010

Optical Wire Antennas

In this thesis we study the properties of optical wire antennas. As experimental method for our investigations we use apertureless near-field optical microscopy. This technique achieves high spatial resolution well beyond the diffraction limit by utilizing ...

EPFL2010

Light scattering by an array of electric and magnetic nanoparticles

Olivier Martin, Benjamin Syriam Garcia

Light scattering by an array of alternating electric and magnetic nanoparticles is analyzed in detailed. Specific geometrical conditions are derived, where such an array behaves like double-negative particles, leading to a suppression of the backscattered ...

Optical Society of America2010

Trapping and Sensing 10 nm Metal Nanoparticles Using Plasmonic Dipole Antennas

Olivier Martin, Christian Santschi, Lina Huang

The Optical trapping of Au nanoparticles with dimensions as small as 10 nm in the gap of plasmonic dipole antennas is demonstrated. Single nanoparticle trapping events are recorded in real time by monitoring the Rayleigh scattering spectra of individual pl ...

2010