Now showing items 1-20 of 148

    • Cavity QED effects in semiconductor microcavitie 

      Eleuch, Hichem; J M Courty; G Messin; C Fabre; Giacobino, E. (IOP Publishing, 1988-11-05)
      A theoretical investigation of cavity QED effects in semiconductor microcavities containing quantum wells is presented. A model Hamiltonian is used to derive equations of motion for the quantum photon and exciton fields ...
    • Squeezed states and the quantum noise of light in semiconductor microcavities 

      G Messin; J Ph Karr; Eleuch, Hichem; J M Courty; E Giacobino (IOP Publishing, 1999)
      A theoretical investigation of the quantum noise in the light reflected by a microcavity containing a semiconductor quantum well is presented. Squeezing is predicted when scattering processes have a low efficiency. ...
    • Quantum optical effects in semiconductor microcavities 

      Giacobino, Elisabeth; Karr, Jean-Philippe; Messin, Gaëtan; Eleuch, Hichem; Baas, Augustin (Elsavier, 2001-12-06)
      Investigations of quantum effects in semiconductor quantum-well microcavities interacting with laser light in the strong-coupling regime are presented. Modifications of quantum fluctuations of the outgoing light are expected ...
    • Rydberg Atoms and Autocorrelation Function 

      Eleuch, Hichem; Tahar Djerad (National Institute of Applied Science and Technology, 2002)
      Study of atomic Rydberg states and their interactions with electromagnetic eld is of current interest. Determination of their internal parameters such as oscillator strength and lifetimes are pertinent to diverse elds of ...
    • An optical soliton pair among absorbing three-level atoms 

      Eleuch, Hichem; Bennaceur, Raouf (INSTITUTE OF PHYSICS PUBLISHING, 2003-07-28)
      The motion of a pair of solitons propagating through an absorbing three-level system in the lambda configuration is analysed. In the course of this analytic analysis, the existence condition for solitary wave pairs ...
    • Optical bistability in semiconductor microcavities 

      Baas, A.; Karr, J. Ph.; Eleuch, Hichem; Giacobino, E. (The American Physical Society, 2004)
      We report the observation of polaritonic bistability in semiconductor microcavities in the strong-coupling regime. The origin of bistability is the polariton-polariton interaction, which gives rise to a Kerr-like ...
    • Nonlinear dissipation and the quantum noise of light in semiconductor microcavities 

      Eleuch, Hichem; Bennaceur, Raouf (INSTITUTE OF PHYSICS PUBLISHING, 2004-02-13)
      Our work presents a theoretical study on the behaviour of the noise spectra of the light reflected by a microcavity containing a semiconductor quantum well. In the case of very small nonlinear dissipation, we have ...
    • Optical bistability in semiconductor microcavities 

      Baas, A.; Karr, J. Ph.; Eleuch, Hichem; Giacobino, E. (The American Physical Society, 2004-02-17)
      We report the observation of polaritonic bistability in semiconductor microcavities in the strong-coupling regime. The origin of bistability is the polariton-polariton interaction, which gives rise to a Kerr-like ...
    • Optical bistability in semiconductor microcavities 

      Eleuch, Hichem; E. Giacobino; A. Baas; J. Ph. Karr (American Physical Society, 2004-02-17)
      We report the observation of polaritonic bistability in semiconductor microcavities in the strong-coupling regime. The origin of bistability is the polariton-polariton interaction, which gives rise to a Kerr-like nonlinearity. ...
    • Quantum model of emission in a weakly non ideal plasma 

      Eleuch, Hichem; N. Ben Nessib; R. Bennaceur (Springer-Verlag 2004, 2004-05-04)
      We present, in this work a simple analytical expression of line emission in weakly non ideal plasma using a simplified quantum model. This formalism allows to explain the variations of the line widths with the density in a ...
    • Soliton propagation in an absorbing three-level atomic system 

      Eleuch, Hichem; D. Elser; R. Bennaceur (IOP Publishing, 2004-07-10)
      We present analytic results of soliton shapes propagating in an absorbing three-level atomic system in the lambda configuration which is excited by a CW field at the Stokes transition. We find analytic relations for the ...
    • Lifetimes of atomic Rydberg states by autocorrelation function 

      H Jabri; Eleuch, Hichem; T Djerad (IOP Publishing, 2005)
      We have derived the autocorrelation function for the field emitted by a Rydberg atom in a micocavity weakly excited in the strong coupling regime and in the non-resonant case. We propose simple analytical expressions and ...
    • Lifetimes of highly excited atomic states 

      Houcem Jabri; Eleuch, Hichem; Tahar Djerad (IOP Publishing, 2006-03-15)
      We consider a highly excited atom in a good cavity strongly pumped by coherent light. We derive the autocorrelation function of the field emergent from the cavity. We show that the autocorrelation function can be expressed ...
    • Surfactant-induced morphology and thermal behavior of polymer layered silicate nanocomposites 

      Zuburtikudis, Ioannis; S I Marras; A. Tsimpliaraki; Costas Panayiotou (IOP Publishing, 2007)
      Poly(L-lactic acid) nanocomposites were prepared by the addition of montmorillonite modified with various loadings of hexadecylammonium cation. The influence of alkylammonium on the morphology and surface charge of the ...
    • Magnetoresistance of ultrathin Co/Au(111) multilayers 

      Eleuch, Hichem; F. Trigui; Z. Fakhfakh (Transworld Research Network, 2008)
      This Chapter presents experimental and theoretical aspects of the longitudinal magnetoresistance (MR) of gold cobalt Co/Au(111) multilayers composed of ultrathin ferromagnetic layers of cobalt alternating with thick gold ...
    • Noise spectra of microcavity-emitting field in the linear regime 

      Eleuch, Hichem (EDP Sciences, 2008)
      Our work presents a theoretical study on the behavior of the fluctuation statistics of the field emitted from a semiconductor microcavity containing a quantum well. We derive an analytical expression of the noise spectra in ...
    • Photon statistics of light in semiconductor microcavities 

      Eleuch, Hichem (IOP PUBLISHING, 2008-02-26)
      We investigate the photon statistics in the light emitted by a microcavity containing a semiconductor quantum well. An analytical expression of the light-emitted autocorrelation function in the weak pumping regime is ...
    • Autocorrelation function of microcavity-emitting field in the linear regime 

      Eleuch, Hichem (The European Physical Journal, 2008-04-18)
      We study the photon statistics of the field emitted from a semiconductor microcavity containing a quantum well. We present an analytical expression of the autocorrelation function in non-resonant pumping. A dynamical ...
    • Ultrafast stimulated Raman parallel adiabatic passage by shaped pulses 

      Dridi, G.; Guérin, S.; Hakobyan, V.; Jauslin, H. R.; Eleuch, Hichem (APS Physics, 2009)
      We present a general and versatile technique of population transfer based on parallel adiabatic passage by femtosecond shaped pulses. Their amplitude and phase are specifically designed to optimize the adiabatic passage ...
    • Excitation of atomic coherence using off-resonant strong laser pulses 

      Rostovtsev, Yuri V.; Eleuch, Hichem; Anatoly A. Svidzinskya; Li, Hebin; Sautenkov, Vladimir; Scully, Marlan O. (The American Physical Society, 2009)
      We study dynamics of a two-level system driven by a strong off-resonant electromagnetic field. We derive an analytical solution for arbitrary pulse shape. We discuss possible applications and presented experimental demonstration ...