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5 papers · 1 filter
Al4SiC4 vibrational properties: Density Functional Theory calculations compared to Raman and Infrared spectroscopy measurements
L. Pedesseau, O. Chaix-Pluchery, M. Modreanu +5
Al4SiC4 is a wide band gap semiconductor with numerous potential technological applications. We report here the first thorough experimental Raman and Infrared (IR) investigation of…
Potential-inserted quantum well design for quantum cascade terahertz lasers
R. Benchamekh, J. -M. Jancu, P. Voisin
We report on a new design of terahertz quantum cascade laser based on a single, potential-inserted quantum well active region. The quantum well properties are engineered through si…
An unbiased Monte Carlo estimator for derivatives. Application to CIR
Victor Reutenauer, Etienne Tanré
In this paper, we present extensions of the exact simulation algorithm introduced by Beskos et al. (2006). First, a modification in the order in which the simulation is done accele…
Heteroclinic structure of parametric resonance in the nonlinear Schrödinger equation
M. Conforti, A. Mussot, A. Kudlinski +5
We show that the nonlinear stage of modulational instability induced by parametric driving in the {\em defocusing} nonlinear Schrödinger equation can be accurately described by com…
Optical properties of potential-inserted quantum wells in the near infrared and Terahertz ranges
F. Raouafi, R. Samti, R. Benchamekh +4
We propose an engineering of the optical properties of GaAs/AlGaAs quantum wells using AlAs and InAs monolayer insertions. A quantitative study of the effects of the monolayer posi…