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Related papers: A Hertzian Plasmonic Nanodimer as an Efficient Opt…

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Optical properties of colloidal plasmonic titanium nitride nanoparticles are examined with an eye on their photothermal via transmission electron microscopy and optical transmittance measurements. Single crystal titanium nitride cubic…

We introduce a hybrid plasmonic-photonic cavity setup that can be used to induce and control long-distance heat transfer between molecular systems through optomechanical interactions. The structure consists of two separated plasmonic…

Quantum Physics · Physics 2021-01-12 S. Mahmoud Ashrafi , R. Malekfar , A. R. Bahrampour , Johannes Feist

A major challenge for plasmonics as an enabling technology for quantum information processing is the realization of active spatio-temporal control of light on the nanoscale. The use of phase-shaped pulses or beams enforces specific…

Optics · Physics 2015-06-03 Svetlana V. Boriskina , Bjoern M. Reinhard

There has been a significant effort to design nanophotonic structures that process images at the speed of light. A prototypical example is in edge detection, where photonic-crystal-, metasurface-, and plasmon-based designs have been…

Optics · Physics 2021-07-26 Wenjin Xue , Owen D. Miller

Controlling the transport, trapping, and filtering of nanoparticles is important for many applications. By virtue of their weak response to gravity and their thermal motion, various physical mechanisms can be exploited for such operations…

Materials Science · Physics 2016-11-03 Rasoul Alaee , Muamer Kadic , Carsten Rockstuhl , Ali Passian

We present a theoretical study of the radiative and nonradiative decay rates of an optical emitter in close proximity to a prolate-shaped metal nanoparticle. We use the model developed by Gersten and Nitzan, that we correct for radiative…

Other Condensed Matter · Physics 2007-11-13 H. Mertens , A. Polman

Metal nanowires and nanoparticles that facilitate surface plasmons are of contemporary interest in nanophotonics, thermoplasmonics and optoelectronics. They facilitate not only subwavelength light propagation and localization capabilities,…

Optics · Physics 2020-08-05 Sunny Tiwari , Chetna Taneja , G V Pavan Kumar

Active nanoplasmonics has recently led to the emergence of many promising applications. One of them is spaser (surface plasmons amplification by stimulated emission of radiation) that has been shown to generate coherent and intense fields…

Optics · Physics 2019-05-27 Mariam Tohari , Andreas Lyras , Mohamad AlSalhi

Lasing at the nanometre scale promises strong light-matter interactions and ultrafast operation. Plasmonic resonances supported by metallic nanoparticles have extremely small mode volumes and high field enhancements, making them an ideal…

Mesoscale and Nanoscale Physics · Physics 2017-02-07 T. K. Hakala , H. T. Rekola , A. I. Väkeväinen , J. -P. Martikainen , M. Nečada , A. J. Moilanen , P. Törmä

Plasmon resonances at the surface of plasmonic antennas allow for extremely strong enhancement of Raman scattering. Intrinsic to plasmonics, however, is that extreme field confinement lacks precise spectral control, which would hold great…

Electrically-driven optical antennas can serve as compact sources of electromagnetic radiation operating at optical frequencies. In the most widely explored configurations, the radiation is generated by electrons tunneling between metallic…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 Alexander V. Uskov , Jacob B. Khurgin , Mickael Buret , Alexandre Bouhelier , Igor V. Smetanin , Igor E. Protsenko

For all applications of plasmonics to technology it is required to tailor the resonance to the optical system in question. This chapter gives an understanding of the design considerations for nanoparticles needed to tune the resonance.…

Optics · Physics 2015-02-02 Phillip Manley , Sven Burger , Frank Schmidt , Martina Schmid

On-chip optoelectronic and all-optical information processing paradigms require compact implementation of signal transfer for which nanoscale surface plasmons circuitry offers relevant solutions. This work demonstrates the directional…

The performance of plasmonic nanoantenna structures on top of SOI wire waveguides as coherent perfect absorbers for modulators and all-optical switches is explored. The absorption, scattering, reflection and transmission spectra of gold and…

Optics · Physics 2014-11-18 Roman Bruck , Otto L. Muskens

Visible and infrared photons can be detected with a broadband response via the internal photoeffect. By using plasmonic nanostructures, i.e. nanoantennas, wavelength selectivity can be introduced to such detectors through geometry-dependent…

The plasmonic response of nanoparticles is exploited in many subfields of science and engineering to enhance optical signals associated with probes of nanoscale and subnanoscale entities. We develop a numerical algorithm based on previous…

Optics · Physics 2015-03-17 Paul Anton Letnes , Ingve Simonsen , D. L. Mills

Compared to single nanoparticles, strongly coupled plasmonic nanoparticles provide attractive advantages owing to their ability to exhibit multiple resonances with unique spectral features and higher local field intensity. These enhanced…

Hybrid plasmonic nanoemitters based on the combination of quantum dot emitters (QD) and plasmonic nanoantennas open up new perspectives in the control of light. However, precise positioning of any active medium at the nanoscale constitutes…

In this article, we introduce the concept of a dielectric nanolaser that is nanoscopic in all spatial dimensions. Our proposal is based on dielectric nanoparticles of high refractive index, e.g., silicon, acting as a (passive) cavity…

Nanotechnology and the consequent emergence of miniaturized devices are driving the need to improve our understanding of the mechanical properties of a myriad of materials. Here we focus on amorphous polymeric materials and introduce a new…