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Light with light control of surface plasmon polaritons is theoretically demonstrated. A barely simple and compact source of these waves consists in a finite number of slits (evenly spaced) perforating a metal film. The system scatters…

Applied Physics · Physics 2018-08-08 Sergio G. Rodrigo

Light-activated self-propelled colloids are synthesized and their active motion is studied using optical microscopy. We propose a versatile route using different photoactive materials, and demonstrate a multiwavelength activation and…

Soft Condensed Matter · Physics 2014-10-28 J. Palacci , S. Sacanna , S. -H. Kim , G. -R. Yi , D. J. Pine , P. M. Chaikin

We report on experimental evidences of the preservation of energy-time entanglement for extraordinary plasmonic light transmission through sub-wavelength metallic hole arrays, and for long range surface plasmon polaritons. Plasmons are…

Quantum Physics · Physics 2013-01-22 Sylvain Fasel , Nicolas Gisin , Hugo Zbinden , Daniel Erni , Esteban Moreno , Frank Robin

Inelastic electron tunneling in a scanning tunneling microscope (STM) is used to generate excitons in monolayer tungsten disulfide (WS$_2$). Excitonic electroluminescence is measured both at positive and negative sample bias. Using optical…

Real-time access to the internal ultrafast dynamics of complex dissipative optical systems opens new explorations of pulse-pulse interactions and dynamic patterns. We present the first direct experimental evidence of the internal motion of…

The coupling between molecular exciton and gap plasmons plays a key role in single molecular electroluminescence induced by a scanning tunneling microscope (STM). But it has been difficult to clarify the complex experimental phenomena. By…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Lei-Lei Nian , Jing-Tao Lü

It has been predicted that in the presence of a sufficiently high-dissipative environment transport in a small tunnel junction can become extremely regular, giving rise to the phenomenon of single-electron tunneling oscillations. Recent…

Mesoscale and Nanoscale Physics · Physics 2012-03-14 Carlotta Negri , Fabio Pistolesi

Surface plasmon polaritons (plasmons) are a combination of light and a collective oscillation of the free electron plasma at metal-dielectric interfaces. This interaction allows sub-wavelength confinement of light, beyond the diffraction…

Mesoscale and Nanoscale Physics · Physics 2013-09-27 Reinier W. Heeres , Leo P. Kouwenhoven , Valery Zwiller

We demonstrate the generation of light in an optical waveguide strongly coupled to a periodic array of metallic nanoantennas. This coupling gives rise to hybrid waveguide-plasmon polaritons (WPPs), which undergo a transmutation from plasmon…

Optics · Physics 2013-05-15 S. R. K. Rodriguez , S. Murai , M. A. Verschuuren , J. Gomez Rivas

Emission of pairs of photons in the interface metal-dielectric under the laser excitation arising due to the time-dependent perturbation of the zero-point fluctuations of the electromagnetic field by photons of the laser is considered. The…

Optics · Physics 2014-05-16 Vladimir Hizhnyakov

Just as photons are the quanta of light, plasmons are the quanta of orchestrated charge-density oscillations in conducting media. Plasmon phenomena in normal metals, superconductors and doped semiconductors are often driven by…

Materials Science · Physics 2017-11-22 Dinh Van Tuan , Benedikt Scharf , Igor Žutić , Hanan Dery

Physical mechanisms of electron emission from fibre optic nanotips, namely, tunnelling, multi-photon, and thermionic emission, either prevent fast switching or require intense laser fields. Time-resolved electron emission from nano-sized…

Atomic Physics · Physics 2020-05-06 Sam Keramati , Ali Passian , Vineet Khullar , Joshua Beck , Cornelis Uiterwaal , Herman Batelaan

Photon emission by tunneling electrons can be encouraged by locating a resonator close to the tunnel junction and applying an appropriate voltage-bias. However, studies of normal metals show that the resonator also affects how the charges…

Mesoscale and Nanoscale Physics · Physics 2019-08-29 W. T. Morley , A. Di Marco , M. Mantovani , P. Stadler , W. Belzig , G. Rastelli , A. D. Armour

Dissipative solitons are self-localised structures that can persist indefinitely in "open" systems characterised by continual exchange of energy and/or matter with the environment. They play a key role in photonics, underpinning…

We demonstrate the realization of an electrically-driven integrated source of surface plasmon polaritons. Light-emitting individual single-walled carbon nanotube field effect transistors were fabricated in a plasmonic-ready platform. The…

Many optically active systems possess spatially asymmetric electron orbitals. These generate permanent dipole moments, which can be stronger than the corresponding transition dipole moments, significantly affecting the system dynamics and…

Quantum Physics · Physics 2023-04-21 Adam Burgess , Marian Florescu , Dominic Michael Rouse

We develop a microscopic quantum theory of surface plasmon polaritons valid for arbitrary metal-dielectric geometries. Our framework is based on the Power-Zienau-Woolley representation of quantum electrodynamics, which provides an optimal…

1.5D Vlasov-Maxwell simulations are employed to model electromagnetic emission generation in a fully self-consistent plasma kinetic model for the first time in the solar physics context. The simulations mimic the plasma emission mechanism…

Solar and Stellar Astrophysics · Physics 2010-12-16 David Tsiklauri

Oscillations represent a ubiquitous phenomenon in biological systems. The conventional models of biological periodic oscillations are usually proposed as interconnecting transcriptional feedback loops. Some specific proteins function as…

Pattern Formation and Solitons · Physics 2013-05-29 Yue Ma , Kenichi Yoshikawa

Generation of energetic (hot) electrons is an intrinsic property of any plasmonic nanostructure under illumination. Simultaneously, a striking advantage of metal nanocrystals over semiconductors lies in their very large absorption cross…

Mesoscale and Nanoscale Physics · Physics 2017-08-31 Lucas V. Besteiro , Xiang-Tian Kong , Zhiming Wang , Gregory V. Hartland , Alexander O. Govorov
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