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An emitter in the vicinity of a metal nanostructure is quenched by its decay through non-radiative channels, leading to the belief in a zone of inactivity for emitters placed within $<$10nm of a plasmonic nanostructure. Here we demonstrate…

We discuss coupling of site-selectively induced quantum emitters in exfoliated monolayers of WSe$_2$ to plasmonic nanostructures. Squared and rectangular gold nanopillars, which are arranged in pitches of \SI{4}{\micro\meter} on the…

Plasmonic nano-structures provides an efficient way to control and enhance the radiative properties of quantum emitters. Coupling these structures to single defects in low-dimensional materials provides a particularly promising material…

Mesoscale and Nanoscale Physics · Physics 2018-10-18 Tao Cai , Je-Hyung Kim , Zhili Yang , Subhojit Dutta , Shahriar Aghaeimeibodi , Edo Waks

We study the quantum dynamics of two quantum dots (QDs) or artificial atoms coupled through the fundamental localized plasmon of a gold nanorod resonator. We derive an intuitive and efficient time-local master equation, in which the effect…

Mesoscale and Nanoscale Physics · Physics 2015-11-20 Rong-Chun Ge , Stephen Hughes

We present a general treatment to study transport phenomena in systems described by tight-binding Hamiltonians coupled to reservoirs and with one or more time-periodic potentials. We apply this treatment to the study of transport phenomena…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Liliana Arrachea

A molecular wire containing an emitting molecular center is controllably suspended between the plasmonic electrodes of a cryogenic scanning tunneling microscope. Passing current through this circuit generates an ultra narrow-line emission…

Mesoscale and Nanoscale Physics · Physics 2016-01-27 Michael C. Chong , Gaël Reecht , Hervé Bulou , Alex Boeglin , Fabrice Scheurer , Fabrice Mathevet , Guillame Schull

Herein we report on our studies of radiative and non-radiative interaction between an individual quantum emitter and an anisotropic plasmonic nanostructure: a gold nanotriangle. Our theoretical and three-dimensional electromagnetic…

Optics · Physics 2018-06-18 Adarsh B. Vasista , G. V. Pavan Kumar

Quantum nanosystems involve the coupled dynamics of fermions or bosons across multiple scales in space and time. Examples include quantum dots, superconducting or magnetic nanoparticles, molecular wires, and graphene nanoribbons. The number…

Mesoscale and Nanoscale Physics · Physics 2011-11-01 D. Balamurugan , Peter. J. Ortoleva

We demonstrate the coupling of a single nitrogen vacancy center in a nanodiamond to propagating plasmonic modes of mechanically etched silver nanowires. The mechanical etch is performed on single crystalline silver nanoplates by the tip of…

Mesoscale and Nanoscale Physics · Physics 2013-10-10 Shailesh Kumar , Alexander Huck , Ying-Wei Lu , Ulrik L. Andersen

Quantum emitters coupled to plasmonic nanoantennas produce single photons at unprecedentedly high rates in ambient conditions. This enhancement of quantum emitters' radiation rate is based on the existence of optical modes with highly…

Presence of a metal nanoparticle near a quantum dipole emitter, when a localized surface plasmon mode is excited via the resonant coupling with an excited quantum dipole, changes dramatically the relaxation dynamics: it is no longer…

Optics · Physics 2015-06-18 Khachatur V. Nerkararyan , Sergey I. Bozhevolnyi

Coupling of an atom-like emitter to surface plasmons provides a path toward significant optical nonlinearity, which is essential in quantum information processing and quantum networks. A large coupling strength requires nanometer-scale…

Mesoscale and Nanoscale Physics · Physics 2018-10-18 Tao Cai , Subhojit Dutta , Shahriar Aghaeimeibodi , Zhili Yang , Sanghee Nah , John T. Fourkas , Edo Waks

We provide a self-consistent electromagnetic theory of the coupling between dipole emitters and dissipative nanoresonators. The theory that relies on the concept of quasi-normal modes with complex frequencies provides an accurate…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 C. Sauvan , J. P. Hugonin , I. S. Maksymov , P. Lalanne

We identify a new mechanism for cooperative emission of light by an ensemble of N dipoles near a metal nanostructure supporting a surface plasmon.The cross-talk between emitters due to virtual plasmon exchange leads to a formation of three…

Materials Science · Physics 2015-05-13 Vitaliy N. Pustovit , Tigran V. Shahbazyan

We consider a hybrid plasmon-exciton system comprised of a resonant molecular subsystem and three Au wires supporting a dipole mode which can be coupled to a dark mode in controllable fashion by variation of a symmetry parameter. The…

Optics · Physics 2015-03-25 Maxim Sukharev , Paul N. Day , Ruth Pachter

We consider a quantum network of mid-infrared, graphene plasmons coupled to the hydrogen-like excited states of group-V donors in silicon. First, we show how to use plasmon-enhanced light-matter interactions to achieve single-shot spin…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 M. J. Gullans , J. M. Taylor

Confining light to scales beyond the diffraction limit, quantum plasmonics supplies an ideal platform to explore strong light-matter couplings. The light-induced localized surface plasmons (LSPs) on the metal-dielectric interface acting as…

Quantum Physics · Physics 2019-09-27 Chun-Jie Yang , Jun-Hong An , Hai-Qing Lin

Transport properties of a single plasmon interacting with a hybrid system composed of a semiconductor quantum dot (SQD) and a metal nanoparticle (MNP) coupled to one-dimensional surface plasmonic waveguide are investigated theoretically via…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Nam-Chol Kim , Myong-Chol Ko , Zhong-Hua Hao , Li Zhou , Jian-Bo Li , Qu-Quan Wang

For distances less 10 nm, a total energy transfer occurs from a quantum emitter to a nearby metallic surface, producing evanescent surface waves that are plasmonic in nature. When investigating a metallic nanohole supported on an optically…

Optics · Physics 2019-07-16 Amir Djalalian-Assl

We investigate plasmon-emitter interactions in a nanoparticle-on-a-mirror cavity. We consider two different sorts of emitters, those that sustain dipolar transitions, and those hosting only quadrupolar, dipole-inactive, excitons. By means…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 A. Cuartero-González , A. I. Fernández-Domínguez