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Related papers: Plasmonic interferences of two-particle N00N state…

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We propose a method to generate path-entangled $N00N$-state photons from quantum dots (QDs) and coupled nanocavities. In the systems we considered, cavity mode frequencies are tuned close to the biexciton two-photon resonance. Under…

Quantum Physics · Physics 2017-09-13 Kenji Kamide , Yasutomo Ota , Satoshi Iwamoto , Yasuhiko Arakawa

Quantum interference occurs frequently in the interaction of laser radiation with materials, leading to a series of fascinating effects such as lasing without inversion, electromagnetically induced transparency, Fano resonance, etc. Such…

Filming and controlling plasmons at buried interfaces with nanometer (nm) and femtosecond (fs) resolution has yet to be achieved and is critical for next generation plasmonic/electronic devices. In this work, we use light to excite and…

Unique properties of plasmons in two-dimensional electron systems (2DESs) have been studied for many years. Existing theoretical approaches allow for analytical study of the properties of ungated and gated plasmons in two fundamental, ideal…

Mesoscale and Nanoscale Physics · Physics 2019-04-11 A. A. Zabolotnykh , V. A. Volkov

We numerically investigate the decay of initial quantum Fock states and their superpositions for a mechanical resonator mode coupled to an environment comprising interacting, damped tunneling two level system (TLS) defects. The cases of…

Mesoscale and Nanoscale Physics · Physics 2012-11-21 Laura G. Remus , Miles P. Blencowe

We report on the observation of quantum interference of the emission from two separate nitrogen vacancy (NV) centers in diamond. Taking advantage of optically induced spin polarization in combination with polarization filtering, we isolate…

Light-matter interaction at the atomic scale rules fundamental phenomena such as photoemission and lasing, while enabling basic everyday technologies, including photovoltaics and optical communications. In this context, plasmons --the…

Metallic nanostructures exhibit a multitude of optical resonances associated with localized surface plasmon excitations. Recent observations of plasmonic phenomena at the sub-nanometer to atomic scale have stimulated the development of…

Mesoscale and Nanoscale Physics · Physics 2014-05-05 N. Asger Mortensen , Søren Raza , Martijn Wubs , Thomas Søndergaard , Sergey I. Bozhevolnyi

Quantum interference between identical single particles reveals the intrinsic quantum statistic nature of particles, which could not be interpreted through classical physics. Here, we demonstrate quantum interference between non-identical…

Quantum Physics · Physics 2023-08-25 Keyu Su , Yi Zhong , Shanchao Zhang , Jianfeng Li , Chang-Ling Zou , Yunfei Wang , Hui Yan , Shi-Liang Zhu

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 report an experimental realisation of a quantum random number generator using a plasmonic beamsplitter. Free-space single photons are converted into propagating single surface plasmon polaritons on a gold stripe waveguide via a grating.…

Quantum Physics · Physics 2017-08-07 Jason Francis , Xia Zhang , Şahin K. Özdemir , Mark Tame

We study plasmonic excitations in the limit of few electrons, in one-atom thick sodium chains, and characterize them based on collectivity. We also compare the excitations to classical localised plasmon modes and find for the longitudinal…

Mesoscale and Nanoscale Physics · Physics 2017-06-14 Jamie M. Fitzgerald , Sam Azadi , Vincenzo Giannini

In the past decades, quantum plasmonics has become an active area due to its potential applications in on-chip plasmonic devices for quantum information processing. However, the fundamental physical process, i.e., how a quantum state of…

Quantum Physics · Physics 2019-05-01 Lei Tang , Kaimin Zheng , Jiale Guo , Yi Ouyang , Yang Wu , Chuanqing Xia , Long Li , Fang Liu , Yong Zhang , Lijian Zhang , Min Xiao

Plasmonic nanopatch antennas that incorporate dielectric gaps hundreds of picometers to several nanometers thick have drawn increasing attention over the past decade because they confine electromagnetic fields to grossly sub-diffraction…

We study arrays of plasmonic nanoparticles combined with quantum emitters, quantum plasmonic lattices, as a platform for room temperature studies of quantum many-body physics. We outline a theory to describe surface plasmon polariton…

Quantum Gases · Physics 2016-09-01 J. -P. Martikainen , M. O. J. Heikkinen , P. Törmä

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

We study the plasmonic energy transfer from a locally excited nanoparticle (LE-NP) to a linear array of small NPs and we obtain the parametric dependence of the response function. An analytical expression allows us to distinguish the…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Raul A. Bustos-Marun , Eduardo A. Coronado , Horacio M. Pastawski

We study the anomalous electromagnetic scattering in the homogenization regime, by a subwavelength thin layer of periodically distributed plasmonic nanoparticles on a perfect conducting plane. By using layer potential techniques, we derive…

Analysis of PDEs · Mathematics 2019-07-17 Habib Ammari , Bowen Li , Jun Zou

Recent results in deeply subwavelength thickness films demonstrated coherent control and logical gate operations with both classical and single photon light sources. However, quantum processing and devices typically involve more than one…

Emergence of half-integer filling factor states, such as nu=5/2 and 7/2, is found in quantum dots by using numerical many-electron methods. These states have interesting similarities and differences with their counterstates found in the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Harju , H. Saarikoski , E. Rasanen