Search Results - "Chatel, Béatrice"

Spatio-temporal focusing of an ultrafast pulse through a multiply scattering medium by McCabe, David J., Tajalli, Ayhan, Austin, Dane R., Bondareff, Pierre, Walmsley, Ian A., Gigan, Sylvain, Chatel, Béatrice

“…Pulses of light propagating through multiply scattering media undergo complex spatial and temporal distortions to form the familiar speckle pattern. There is…”
Get full text

Factorization of numbers with the temporal Talbot effect: optical implementation by a sequence of shaped ultrashort pulses by Bigourd, Damien, Chatel, Béatrice, Schleich, Wolfgang P, Girard, Bertrand

“…We report on the successful operation of an analogue computer designed to factor numbers. Our device relies solely on the interference of classical light and…”
Get full text

Time-dependent photoionization of azulene: Optically induced anistropy on the femtosecond scale by Raffael, Kevin, Blanchet, Valérie, Chatel, Béatrice, Turri, Giorgio, Girard, Bertrand, Garcia, Ivan Anton, Wilkinson, Iain, Whitaker, Benjamin J

“…Photoionization process leading to a sensitivity to the rotational dephasing of the initial alignment created by the pump pulse in the S 2 state of azulene. We…”
Get full text

Ultrafast laser-induced field emission from a single carbon nanotube based nanotip by Bionta, M. R., Chalopin, B., Delmas, M., Houdellier, F., Masseboeuf, A., Mauchain, J., Chatel, B.

“…We present the first demonstration of ultrafast laser-induced field emission from a carbon nanotube based nanotip, and measurement of the energy distribution…”
Get full text

Real time quantum state holography using coherent transients by Monmayrant, Antoine, Chatel, Béatrice, Girard, Bertrand

“…In a two-level atom, real-time quantum state holography is performed through interferences between quantum states created by a reference pulse and a chirped…”
Get full text

Pump-probe study of the formation of rubidium molecules by ultrafast photoassociation of ultracold atoms by McCabe, David J., England, Duncan G., Martay, Hugo E. L., Friedman, Melissa E., Petrovic, Jovana, Dimova, Emiliya, Chatel, Béatrice, Walmsley, Ian A.

“…An experimental pump-probe study of the photoassociative creation of translationally ultracold rubidium molecules is presented together with numerical…”
Get full text

Role of quadratic and cubic spectral phases in ladder climbing with ultrashort pulses by Chatel, Béatrice, Degert, Jérôme, Girard, Bertrand

“…Two-photon excitation of a quantum ladder system by an ultrashort chirped pulse leads to interferences in the excited-state population, between direct and…”
Get full text

Competition between sequential and direct paths in a two-photon transition by Chatel, Béatrice, Degert, Jérôme, Stock, Sabine, Girard, Bertrand

“…Two-photon excitation of a quantum ladder system by a chirped pulse leads to interferences in the excited-state population, due to the phase differences…”
Get full text

Chirping the probe pulse in a coherent transients experiment by Weber, Sébastien, Girard, Bertrand, Chatel, Béatrice

“…Coherent transients occur when a chirped pump pulse excites a two-level transition. They have been observed with an ultrashort probe pulse. Several studies…”
Get full text

High-fidelity biexciton generation in quantum dots by chirped laser pulses by Debnath, A., Meier, C., Chatel, B., Amand, T.

“…We present a detailed theoretical analysis of biexciton state generation in InAs-GaAs quantum dots by strong, chirped laser pulses. Specifically, we derive an…”
Get full text

Chirped laser excitation of quantum dot excitons coupled to a phonon bath by Debnath, A., Meier, C., Chatel, B., Amand, T.

“…Motivated by recent experimental results, we present a detailed account of adiabatic population transfer in InGaAs/GaAs quantum dots by strong chirped laser…”
Get full text

Robust quantum dot exciton generation via adiabatic passage with frequency-swept optical pulses by Simon, C-M, Belhadj, T, Chatel, B, Amand, T, Renucci, P, Lemaitre, A, Krebs, O, Dalgarno, P A, Warburton, R J, Marie, X, Urbaszek, B

“…The energy states in semiconductor quantum dots are discrete as in atoms, and quantum states can be coherently controlled with resonant laser pulses. Long…”
Get full text

Wavelength and shape dependent strong-field photoemission from silver nanotips by Bionta, M R, Weber, S J, Blum, I, Mauchain, J, Chatel, B, Chalopin, B

“…We study optical field emission from silver nanotips, showing the combined influence of the illumination wavelength and the exact shape of the nanotip on the…”
Get full text

Quantum state measurement using coherent transients by Monmayrant, Antoine, Chatel, Béatrice, Girard, Bertrand

“…We present the principle and experimental demonstration of time resolved quantum state holography. The quantum state of an excited state interacting with an…”
Get full text

First results on laser-induced field emission from a CNT-based nanotip by Bionta, M.R., Chalopin, B., Masseboeuf, A., Chatel, B.

“…We present the first demonstration of ultrafast laser-induced field emission and measurement of the energy distribution of electrons from a nanotip based on a…”
Get full text

Coherent control of matter-wave interference in molecular predissociation by Degert, Jérôme, Meier, Christoph, Chatel, Béatrice, Girard, Bertrand

“…The predissociation of a diatomic molecule after excitation by an ultrashort laser pulse leads to a succession of partial nuclear wave packets on the…”
Get full text

Laser-induced electron emission from a tungsten nanotip: identifying above threshold photoemission using energy-resolved laser power dependencies by Bionta, M.R., Chalopin, B., Champeaux, J.P., Faure, S., Masseboeuf, A., Moretto-Capelle, P., Chatel, B.

“…We present an experiment studying the interaction of a strongly focused 25 fs laser pulse with a tungsten nanotip, investigating the different regimes of…”
Get full text

Direct shaping of tunable UV ultra-short pulses by Weber, S., Barthélemy, M., Chatel, B.

“…Time shaping of ultra-short UV pulses has been performed using a specially designed acousto-optic programmable dispersive filter in KDP material. A time…”
Get full text

Realization of a time-domain Fresnel lens with coherent control by Degert, Jérôme, Wohlleben, Wendel, Chatel, Béatrice, Motzkus, Marcus, Girard, Bertrand

“…Perturbative chirped pulse excitation leads to oscillations of the excited state amplitude. These coherent transients are governed by interferences between…”
Get full text

Factoring numbers with interfering random waves by Weber, S., Chatel, B., Girard, B.

“…We report on the successful operation of an analogue computer designed to factor numbers. A sequence of shaped femtosecond pulses is used to implement a Gauss…”
Get full text