243 citations · 930 across the 28 of their papers we have counts for
31 papers
Light Emission and Conductance Fluctuations in Electrically Driven and Plasmonically Enhanced Molecular Junctions
Sakthi Priya Amirtharaj, Zhiyuan Xie, Josephine Si Yu See +6
Electrically connected and plasmonically enhanced molecular junctions combine the optical functionalities of high field confinement and enhancement (cavity function), and of high r…
Overbias Light Emission From Memristive Nanojunctions
S. Hamdad, K. Malchow, E. Dujardin +4
A nanoscale dielectric gap clamped between two metal electrodes may undergo a large resistance change from insulating to highly conducting upon applying an electrical stress. This…
Vectorial probing of electric and magnetic transitions in variable optical environments and vice-versa
R. Chacon, A. Leray, J. Kim +6
We use europium doped single crystalline NaYF nanorods for probing the electric and magnetic contributions to the local density of optical states (LDOS). Reciprocically, we det…
Measuring the magnetic dipole transition of single nanorods by spectroscopy and Fourier microscopy
R. Chacon, A. Leray, J. Kim +6
Rare-earth doped nanocrystals possess optical transitions with significant either electric or magnetic dipole characters. They are of strong interest for understanding and engineer…
Optical Rectification and Thermal Currents in Optical Tunneling Gap Antennas
M. M. Mennementeuil, M. Buret, G. Colas des Francs +1
Electrically-contacted optical gap antennas are nanoscale interface devices enabling the transduction between photons and electrons. This new generation of devices captures visible…
Wavevector analysis of plasmon-assisted distributed nonlinear photoluminescence along Au nanowire antennas
Deepak K. Sharma, Adrian Agreda, Julien Barthes +3
We report a quantitative analysis of the wavevector diagram emitted by nonlinear photoluminescence generated by a tightly focused pulsed laser beam and distributed along Au nanowir…
Electrostatic control over optically-pumped hot electrons in optical gap antennas
Adrian Agreda, Sviatlana Viarbitskaya, Igor V. Smetanin +3
We investigate the influence of a static electric field on the incoherent nonlinear response of an unloaded electrically-contacted nanoscale optical gap antenna. Upon excitation by…
Effect of quantized conductivity on the anomalous photon emission radiated from atomic-size point contacts
Mickaël Buret, Igor V. Smetanin, Alexander V. Uskov +2
We observe anomalous visible to near-infrared electromagnetic radiation emitted from electrically driven atomic-size point contacts. We show that the number of photons released str…
Directional Second Harmonic Generation Controlled by Sub-wavelength Facets of an Organic Mesowire
Deepak K. Sharma, Shailendra K. Chaubey, Adarsh B. Vasista +4
Directional harmonic generation is an important property characterizing the ability of nonlinear optical antennas to diffuse the signal in well-defined region of space. Herein, we…
Biased Nanoscale Contact as Active Element for Electrically Driven Plasmonic Nanoantenna
Alexander V. Uskov, Jacob B. Khurgin, Mickael Buret +3
Electrically-driven optical antennas can serve as compact sources of electromagnetic radiation operating at optical frequencies. In the most widely explored configurations, the rad…
Revealing a mode interplay that controls second harmonic radiation in gold nanoantennas
Jérémy Butet, Gabriel D. Bernasconi, Marlène Petit +5
In this work, we investigate the generation of second harmonic light by gold nanorods and demonstrate that the collected nonlinear intensity depends upon a phase interplay between…
Optical wireless link between a nanoscale antenna and a transducing rectenna
Arindam Dasgupta, Marie-Maxime Mennemanteuil, Mickaël Buret +3
Initiated as a cable-replacement solution, short-range wireless power transfer has rapidly become ubiquitous in the development of modern high-data throughput networking in centime…
Designing plasmonic eigenstates for optical signal transmission in planar channel devices
Upkar Kumar, Sviatlana Viarbitskaya, Aurélien Cuche +6
On-chip optoelectronic and all-optical information processing paradigms require compact implementation of signal transfer for which nanoscale surface plasmons circuitry offers rele…
Local field enhancement and thermoplasmonics in multimodal Aluminum structures
Peter R. Wiecha, Marie-Maxime Mennemanteuil, Dmitry Khlopin +6
Aluminum nanostructures have recently been at the focus of numerous studies due to their properties including oxidation stability and surface plasmon resonances covering the ultrav…
Advanced engineering of single-crystal gold nanoantennas
R. Méjard, A. Verdy, O. Demichel +7
A nanofabrication process for realizing optical nanoantennas carved from a single-crystal gold plate is presented in this communication. The method relies on synthesizing two-dimen…
Energy-resolved hot carrier relaxation dynamics in monocrystalline plasmonic nanoantennas
Régis Méjard, Anthonin Verdy, Marlène Petit +3
Hot carriers are energetic photo-excited carriers driving a large range of chemico-physical mechanisms. At the nanoscale, an efficient generation of these carriers is facilitated b…
Plasmonic Purcell factor and coupling efficiency to surface plasmons. Implications for addressing and controlling optical nanosources
G. Colas des Francs, J. Barthes, A. Bouhelier +2
The Purcell factor is a key quantity in cavity quantum electrodynamics (cQED) that quantifies the coupling rate between a dipolar emitter and a cavity mode. Its simple form $…
Excitation of plasmonic nanoantennas with nonresonant and resonant electron tunnelling
Alexander V. Uskov, Jacob B. Khurgin, Igor E. Protsenko +2
A rigorous theory of photon emission accompanied inelastic tunnelling inside the gap of plasmonic nanoantennas has been developed. The disappointingly low efficiency of the electri…
Dynamics, effciency and energy distribution of nonlinear plasmon-assisted generation of hot carriers
O. Demichel, M. Petit, S. Viarbitskaya +6
We employ nonlinear autocorrelation measurements to investigate plasmon-assisted hot carrier dynamics generated in optical gold antennas. We demonstrate that surface plasmons enabl…
Selective excitation of bright and dark plasmonic resonances of single gold nanorods
O. Demichel, M. Petit, G. Colas des Francs +5
Plasmonic dark modes are pure near-field resonances since their dipole moments are vanishing in far field. These modes are particularly interesting to enhance nonlinear light-matte…
Electron-induced limitation of surface plasmon propagation in silver nanowires
M. Song, A. Thete, J. Berthelot +5
Plasmonic circuitry is considered as a promising solution-effective technology for miniaturizing and integrating the next generation of optical nano-devices. A key element is the s…
Spontaneous hot-electron light emission from electron-fed optical antennas
Mickael Buret, Alexander V. Uskov, Jean Dellinger +7
Nanoscale electronics and photonics are among the most promising research areas providing functional nano-components for data transfer and signal processing. By adopting metal-base…
Delocalization of nonlinear optical responses in plasmonic nanoantennas
Sviatlana Viarbitskaya, Olivier Demichel, Benoit Cluzel +2
Remote excitation and emission of two-photon luminescence and second-harmonic generation are observed in micrometer long gold rod optical antennas upon local illumination with a ti…
Pre-determining the location of electromigrated gaps by nonlinear optical imaging
Marie-Maxime Mennemanteuil, Jean Dellinger, Mickaël Buret +2
In this paper we describe a nonlinear imaging method employed to spatially map the occurrence of constrictions occurring on an electrically-stressed gold nanowire. The approach con…