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Optical Wire Antennas

Publications associées (104)

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Optical Trapping at the Ultimate Nanoscale in the Near-field of Plasmonic Antennas

Olivier Martin, Andrea Lovera, Andreas Kern

We study the trapping of nanoscopic objects in the near-field of plasmonic nanostructures and demonstrate experimentally that 10nm particles can be trapped in the 15nm gap of a dipole antenna. Applications for biosensing are discussed. ...

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

A 6.5 - 50 GHz battery-powered compact rotary joint for polarization ellipticity measurements

Jean-François Zürcher

A simple, efficient, and compact rotary joint has been designed, realized, and measured. It has been used intensively to perform polarization ellipticity measurements on various circularly polarized antennas (e.g., helical antennas and circularly polarized ...

Wiley-Blackwell2011

Monopole antenna arrays for optical trapping, spectroscopy, and sensing

Hatice Altug, Arif Engin Cetin

We introduce a nanoplasmonic platform merging multiple modalities for optical trapping, nanospectroscopy, and biosensing applications. Our platform is based on surface plasmon polariton driven monopole antenna arrays combining complementary strengths of lo ...

2011

An old tool and a new challenge for depicting antenna array radiation patterns

Juan Ramon Mosig

This paper is intended for teachers and students dealing with antenna engineering. Graphical tools have historically been used for illustrating many basic features of radiation patterns, such as the position and number of secondary lobes, null angles, and ...

Institute of Electrical and Electronics Engineers2011

Directionality control through selective excitation of low-order guided modes in thin-film InGaN photonic crystal light-emitting diodes

Elison de Nazareth Matioli

This letter explores the impact of quantum well placement and photonic crystal (PhC) etch depth on the emission directionality of thin-film InGaN PhC light-emitting diodes (LEDs). The far-field pattern of 800-nm-thick PhC LEDs is tuned by varying only the ...

Amer Inst Physics2011

Plasmonic Nanowire Antennas: Experiment, Simulation, and Theory

Klaus Kern

Recent advances in nanolithography have allowed shifting of the resonance frequency of antennas into the optical and visible wavelength range with potential applications, for example, in single molecule spectroscopy by fluorescence and directionality enhan ...

2010

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 trapping and sensing with plasmonic dipole antennas

Olivier Martin

In this work, we study how to use a plasmonic dipole antenna as a multifunctional nanodevice for surface-enhanced Raman spectroscopy (SERS), localized surface plasmon resonance (LSPR) -based sensing and optical trapping. An analytical model is implemented ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2010

Optical Transmission Through Sub-Wavelength Slits in Metals

This thesis explores the properties of the transmission of light through subwavelength slits in metal films. Theoretical and experimental studies on the transmission through slits in metals are presented. In addition, the potential use of these slits for d ...

EPFL2010

Numerical investigations of a multi-walled carbon nanotube-based multi-segmented optical antenna

Wei Wu

Motivated by the fabrication potential of multi-walled carbon nanotube structures, we numerically investigated a paired structure consisting of two metallic spheres each grown on one end of a multi-walled nanotube. The paired two-segmented structure is cap ...

2010