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

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The state of a two-particle system is called entangled when its quantum mechanical wave function cannot be factorized in two single-particle wave functions. Entanglement leads to the strongest counter-intuitive feature of quantum mechanics,…

Quantum Physics · Physics 2009-11-07 E. Altewischer , M. P. van Exter , J. P. Woerdman

We investigate the frontier between classical and quantum plasmonics in highly doped semiconductor layers. The choice of a semiconductor platform instead of metals for our study permits an accurate description of the quantum nature of the…

Mesoscale and Nanoscale Physics · Physics 2020-11-04 Angela Vasanelli , Simon Huppert , Andrew Haky , Thibault Laurent , Yanko Todorov , Carlo Sirtori

We report perfect two photon quantum interference with near-unity visibility in a resonant tunneling plasmonic structure in folded Kretschmann geometry. This is despite absorption-induced loss of unitarity in plasmonic systems. The effect…

Optics · Physics 2014-04-01 S. Dutta Gupta , G. S. Agarwal

In this paper we examine the N-photon absorption properties of "N00N" states, a subclass of path entangled number states. We consider two cases. The first involves the N-photon absorption properties of the ideal N00N state, one that does…

Quantum Physics · Physics 2009-08-11 William N. Plick , Christoph F. Wildfeuer , Petr M. Anisimov , Jonathan P. Dowling

We study quantum interference of electronic waves that are scattered by multiple non-magnetic impurities in a d_x2-y2-wave superconductor. We show that the number of resonance states in the density-of-states (DOS), as well as their…

Superconductivity · Physics 2009-11-07 Dirk K. Morr , Nikolaos A. Stavropoulos

We investigate the dynamics of two interacting bosons repeatedly scattering off a beam-splitter in a free oscillation atom interferometer. Using the inter-particle scattering length and the beam splitter probabilites as our control…

Quantum Physics · Physics 2013-11-28 Thomás Fogarty , Anthony Kiely , Steve Campbell , Thomas Busch

Quantum metrology and quantum information necessitate a profound study of suitable states. Attenuations induced by free-space communication links or fluctuations in the generation of such states limit the quantum enhancement in possible…

Quantum Physics · Physics 2015-04-29 M. Bohmann , J. Sperling , W. Vogel

We present a scheme of quantum state truncation in the Fock basis (quantum scissors), based on the combined action of a nondegenerate optical parametric amplifier and a beamsplitter. Differently from previously proposed linear-optics-based…

Quantum Physics · Physics 2021-10-05 E. P. Mattos , A. Vidiella-Barranco

Semiconductor quantum dots (QDs) provide an essential link between light and matter in emerging fields such as light-harvesting, all-solid-state quantum communication, and quantum computing. QDs are excellent single-photon sources and can…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Mads Lykke Andersen , Søren Stobbe , Anders Søndberg Sørensen , Peter Lodahl

We derive effective Hamiltonians for a single dipolar emitter coupled to a metal nanoparticle (MNP) with particular attention devoted to the role of losses. For small particles sizes, absorption dominates and a non hermitian effective…

Quantum Physics · Physics 2019-02-27 H. Varguet , B. Rousseaux , D. Dzsotjan , H. R. Jauslin , S. Guerin , G. Colas des Francs

Photonic crystals and metamaterials have emerged as two classes of tailorable materials that enable precise control of light. Plasmonic crystals, which can be thought of as photonic crystals fabricated from plasmonic materials, Bragg…

Mesoscale and Nanoscale Physics · Physics 2016-05-11 Gregory C. Dyer , Gregory R. Aizin , S. James Allen , Albert D. Grine , Don Bethke , John L. Reno , Eric A. Shaner

We study theoretically the optical response of a nanohybrid comprising a symmetric quantum dimer emitter coupled to a metal nanoparticle (MNP). The interactions between the exitonic transitions in the dimer and the plasmons in the MNP lead…

Mesoscale and Nanoscale Physics · Physics 2015-11-11 Bintoro S. Nugroho , Victor A. Malyshev , Jasper Knoester

We demonstrate `deterministic' launching of propagative quantum surface-plasmon polaritons at freely chosen positions on gold plasmonic receptacles. This is achieved by using as plasmon launcher a near-field scanning optical source made of…

Mesoscale and Nanoscale Physics · Physics 2010-11-11 Aurélien Cuche , Oriane Mollet , Aurélien Drezet , Serge Huant

Quantum nanophotonics has become a new research frontier where quantum optics is combined with nanophotonics in order to enhance and control the interaction between strongly confined light and quantum emitters. Such progress provides a…

Mesoscale and Nanoscale Physics · Physics 2012-12-03 Peter Lodahl , Søren Stobbe

Plasmonics, the science and technology of the interaction of light with metallic objects, is fundamentally changing the way we can detect, generate and manipulate light. Although the field is progressing swiftly, thanks to the availability…

We present experiments in which the interaction of a single gold nanoparticle with glass substrates or with another gold particle can be tuned by in-situ control of their separations using scanning probe technology. We record the plasmon…

Quantum Physics · Physics 2016-03-28 U. Håkanson , M. Agio , S. Kühn , L. Rogobete , T. Kalkbrenner , V. Sandoghdar

Combining miniaturization and good operating speed is a compelling yet crucial task for our society. Plasmonic waveguides enable the possibility of carrying information at optical operating speed while maintaining the dimension of the…

Mesoscale and Nanoscale Physics · Physics 2023-01-18 C. E. A. Cordaro , G. Piccitto , F. Priolo

Interference is central to quantum physics and occurs when indistinguishable paths exist, like in a double-slit experiment. Replacing the two slits with two single atoms introduces optical non-linearities for which nontrivial interference…

Quantum Physics · Physics 2016-05-04 Andreas Neuzner , Matthias Körber , Olivier Morin , Stephan Ritter , Gerhard Rempe

The examination of entanglement across various degrees of freedom has been pivotal in augmenting our understanding of fundamental physics, extending to high dimensional quantum states, and promising the scalability of quantum technologies.…

Quantum Physics · Physics 2024-04-26 Dongjin Lee , Woncheol Shin , Sebae Park , Junyeop Kim , Heedeuk Shin

NOON states (states of the form $|N>_{a}|0>_{b}+|0>_{a}|N>_{b}$ where $a$ and $b$ are single particle states) have been used for predicting violations of hidden-variable theories (Greenberger-Horne-Zeilinger violations) and are valuable in…

Quantum Physics · Physics 2016-08-14 W. J. Mullin \and F. Laloë