93 citations · 1.1k across the 48 of their papers we have counts for
38 papers · 1 filter
Quantum plasmonics with N emitters: bright hybrid continuum selection
Georgii Semin, Hans-Rudolf Jauslin, Gérard Colas des Francs +1
We construct mode-selective effective models describing the interaction of the quantum plasmon-polariton field supported by a finite dielectric medium and one or several quantum em…
Three-dimensional canonical quantum plasmonics for finite media: exact solution in terms of the classical Green tensor
Georgii Semin, Hans-Rudolf Jauslin, Stephane Guerin
This article presents a comprehensive three-dimensional canonical quantization to treat quantum plasmonics for finite metallic or dielectric media of arbitrary shape. We use a micr…
Nonlocality of the energy density of a spontaneously emitted single-photon from a Hydrogen atom
Maxime Federico, Hans-Rudolf Jauslin
We analyze through the expectation value of the energy density the spatial nonlocality of single photons emitted by the spontaneous decay of a Hydrogen atom. By using a minimal cou…
Nonlocality of the energy density for all single-photon states
Maxime Federico, Hans-Rudolf Jauslin
The nonlocality of single-photon states has been analyzed from several different but interrelared perspectives. In this article, we propose a demonstration based on the electromagn…
Space-time propagation of photon pulses in dielectric media,illustrations with beam splitters
M. Federico, V. Dorier, S. Guérin +1
Photons are the elementary quantum excitations of the electromagnetic field. Quantization is usually constructed on the basis of an expansion in eigenmodes, in the form of plane wa…
Isomorphism between the Bialynicki-Birula and the Landau-Peierls Fock space quantization of the electromagnetic field in position representation
Maxime Federico, Hans Rudolf Jauslin
We first present a summary of the quantization of the electromagnetic field in position space representation, using two main approaches: the Landau-Peierls approach in the Coulomb…
Robust Control of Unstable Non-linear Quantum Systems
Jing-Jun Zhu, Xi Chen, Hans-Rudolf Jauslin +1
Adiabatic passage is a standard tool for achieving robust transfer in quantum systems. We show that, in the context of driven nonlinear Hamiltonian systems, adiabatic passage becom…
Critical review of quantum plasmonic models for finite-size media
V. Dorier, S. Guérin, H. R. Jauslin
We provide a critical analysis of some of the commonly used theoretical models to describe quantum plasmons. We summarize the standard approach based on a Fano diagonalization and…
Cooperative emission in quantum plasmonic superradiance
H. Varguet, S. Guérin, H. R. Jauslin +1
Plasmonic superradiance originates from the plasmon mediated strong correlation that builds up between dipolar emitters coupled to a metal nanoparticle. This leads to a fast burst…
Non-hermitian Hamiltonian description for quantum plasmonics: from dissipative dressed atom picture to Fano states
H. Varguet, B. Rousseaux, D. Dzsotjan +3
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 siz…
Quantum Plasmonics with multi-emitters: Application to adiabatic control
A. Castellini, H. R. Jauslin, B. Rousseaux +4
We construct mode-selective effective models describing the interaction of N quantum emitters (QEs) with the localised surface plasmon polaritons (LSPs) supported by a spherical me…
Adiabatic tracking for photo- and magneto-association of Bose-Einstein condensates with Kerr nonlinearities
M. Gevorgyan, S. Guérin, C. Leroy +2
We develop the method of adiabatic tracking for photo- and magneto-association of Bose-Einstein atomic condensates with models that include Kerr type nonlinearities. We show that t…
Construction and counting of the number of operators included in a normalized vibrational Hamiltonian with n degrees of freedom with a p:q resonance
G. Saget, C. Leroy, H. R. Jauslin
We propose a method of construction of a normalized vibrational Hamiltonian of a highly excited molecular system with degrees of freedom in the case of a a resonance. We…
Construction and counting of the number operators of an -degree-of-freedom normalized non-resonant vibrational Hamiltonian
G. Saget, C. Leroy, H. R. Jauslin
The present paper is the first of two articles aimed at constructing -degree-of-freedom Hamiltonian systems by an algebraic approach. In molecular spectroscopy, the construction…
Stimulated Raman Adiabatic Passage via bright state in Lambda medium of unequal oscillator strengths
G. G. Grigoryan, C. Leroy, Y. Pashayan-Leroy +3
We consider the population transfer process in a Lambda-type atomic medium of unequal oscillator strengths by stimulated Raman adiabatic passage via bright-state (b-STIRAP) taking…
Dynamics of mixed classical-quantum systems, geometric quantization and coherent states
H. R. Jauslin, D. Sugny
We describe quantum and classical Hamiltonian dynamics in a common Hilbert space framework, that allows the treatment of mixed quantum-classical systems. The analysis of some examp…
Deterministic source of a train of indistinguishable single-photon pulses with single-atom-cavity system
A. Gogyan, S. Guérin, H. -R. Jauslin +1
We present a mechanism to produce indistinguishable single-photon pulses on demand from an optical cavity. The sequences of two laser pulses generate, at the two Raman transitions…
Ultrafast stimulated Raman parallel adiabatic passage by shaped pulses
G. Dridi, S. Guerin, V. Hakobyan +2
We present a general and versatile technique of population transfer based on {\it parallel adiabatic passage} by femtosecond shaped pulses. Their amplitude and phase are specifical…
Field-free molecular alignment induced by elliptically polarized laser pulses: non invasive 3 dimensional characterization
E. Hertz, D. Daems, S. Guérin +3
An investigation of field-free molecular alignment produced by elliptically polarized laser pulses is reported. Experiments are conducted in CO at room temperature. A non invas…
Time-optimal control of a two-level dissipative quantum system
D. Sugny, C. Kontz, H. R. Jauslin
We propose an analysis of the time-optimal control of a dissipative two-level quantum system whose dynamics is governed by the Lindblad equation. This simple system allows one to u…
Arbitrary state controlled-unitary gate by adiabatic passage
X. Lacour, N. Sangouard, S. Guerin +1
We propose a robust scheme involving atoms fixed in an optical cavity to directly implement the universal controlled-unitary gate. The present technique based on adiabatic passage…
Upper quantum Lyapunov Exponent and Anosov relations for quantum systems driven by a classical flow
O. Sapin, H. R. Jauslin, S. Weigert
We generalize the definition of quantum Anosov properties and the related Lyapunov exponents to the case of quantum systems driven by a classical flow, i.e. skew-product systems. W…
Control of mixed-state quantum systems by a train of short pulses
D. Sugny, A. Keller, O. Atabek +4
A density matrix approach is developped for the control of a mixed-state quantum system using a time-dependent external field such as a train of pulses. This leads to the definitio…
CNOT gate by adiabatic passage with an optical cavity
N. Sangouard, X. Lacour, S. Guerin +1
We propose a scheme for the construction of a CNOT gate by adiabatic passage in an optical cavity. In opposition to a previously proposed method, the technique is not based on frac…