Search Results - "Genoud, F."

Multistability of a coherent spin ensemble in a semiconductor microcavity by Paraïso, T. K, Wouters, M, Léger, Y, Morier-Genoud, F, Deveaud-Plédran, B

“…Coherent manipulation of spin ensembles is a key issue in the development of spintronics. In particular, multivalued spin switching may lead to new schemes of…”
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Soliton instabilities and vortex street formation in a polariton quantum fluid by Grosso, G, Nardin, G, Morier-Genoud, F, Léger, Y, Deveaud-Plédran, B

“…Exciton polaritons have been shown to be an optimal system in order to investigate the properties of bosonic quantum fluids. We report here on the observation…”
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Ultrafast tristable spin memory of a coherent polariton gas by Cerna, R., Léger, Y., Paraïso, T.K., Wouters, M., Morier-Genoud, F., Portella-Oberli, M.T., Deveaud, B.

“…Non-linear interactions in coherent gases are not only at the origin of bright and dark solitons and superfluids; they also give rise to phenomena such as…”
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Magnetic field tuning of exciton-polaritons in a semiconductor microcavity by Piętka, B., Zygmunt, D., Król, M., Molas, M. R., Nicolet, A. A. L., Morier-Genoud, F., Szczytko, J., Łusakowski, J., Zięba, P., Tralle, I., Stępnicki, P., Matuszewski, M., Potemski, M., Deveaud, B.

“…We detail the influence of a magnetic field on exciton-polaritons inside a semiconductor microcavity. Magnetic field can be used as a tuning parameter for…”
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Stochastic resonance in collective exciton-polariton excitations inside a GaAs microcavity by Abbaspour, H, Trebaol, S, Morier-Genoud, F, Portella-Oberli, M T, Deveaud, B

“…We report the first observation of stochastic resonance in confined exciton polaritons. We evidence this phenomena by tracking the polaritons behavior through…”
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Direct observation of the mott transition in an optically excited semiconductor quantum well by KAPPEI, L, SZCZYTKO, J, MORIER-GENOUD, F, DEVEAUD, B

“…We have studied density-dependent time-resolved photoluminescence from a 80 A InGaAs/GaAs single quantum well excited by picosecond pulses. We succeed in…”
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Polariton quantum boxes in semiconductor microcavities by El Daïf, O., Baas, A., Guillet, T., Brantut, J.-P., Kaitouni, R. Idrissi, Staehli, J. L., Morier-Genoud, F., Deveaud, B.

“…We report on the realization of polariton quantum boxes in a semiconductor microcavity under strong coupling regime. The quantum boxes consist of mesas, etched…”
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Dynamics of dark-soliton formation in a polariton quantum fluid by Grosso, G., Nardin, G., Morier-Genoud, F., Léger, Y., Deveaud-Plédran, B.

“…Polariton fluids have revealed huge potentialities in order to investigate the properties of bosonic fluids at the quantum scale. Among those properties, the…”
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Doubly Dressed Bosons: Exciton Polaritons in a Strong Terahertz Field by Piętka, B, Bobrovska, N, Stephan, D, Teich, M, Król, M, Winnerl, S, Pashkin, A, Mirek, R, Lekenta, K, Morier-Genoud, F, Schneider, H, Deveaud, B, Helm, M, Matuszewski, M, Szczytko, J

“…We demonstrate the existence of a novel quasiparticle, an exciton in a semiconductor doubly dressed with two photons of different wavelengths: a near infrared…”
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Spinor stochastic resonance by Abbaspour, H., Trebaol, S., Morier-Genoud, F., Portella-Oberli, M. T., Deveaud, B.

“…We report on noise-induced spin ordering in a collective quasiparticle system: spinor stochastic resonance. Synergetic interplay of a polarization-modulated…”
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Determination of the exciton formation in quantum wells from time-resolved interband luminescence by SZCZVTKO, J, KAPPEI, L, BERNEY, J, MORIER-GENOUD, F, PORTELLA-OBERLI, M. T, DEVEAUD, B

“…We present the results of a detailed time-resolved luminescence study carried out on a very high quality InGaAs quantum well sample where the contributions at…”
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High-power passively mode-locked semiconductor lasers by Haring, R., Paschotta, R., Aschwanden, A., Gini, E., Morier-Genoud, F., Keller, U.

“…We have developed optically pumped passively mode-locked vertical-external-cavity surface-emitting lasers. We achieved as much as 950 mW of mode-locked average…”
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Effect of a noisy driving field on a bistable polariton system by Abbaspour, H., Sallen, G., Trebaol, S., Morier-Genoud, F., Portella-Oberli, M. T., Deveaud, B.

“…We report on the effect of noise on the characteristics of the bistable polariton emission system. The present experiment provides a time-resolved access to…”
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Dynamics of Trion formation in InxGa1-xAs quantum wells by Portella-Oberli, M T, Berney, J, Kappei, L, Morier-Genoud, F, Szczytko, J, Deveaud-Plédran, B

“…We show a double path mechanism for the formation of charged excitons (trions); they are formed through bi- and trimolecular processes. This directly implies…”
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Passively mode-locked diode-pumped surface-emitting semiconductor laser by Hoogland, S., Dhanjal, S., Tropper, A.C., Roberts, J.S., Haring, R., Paschotta, R., Morier-Genoud, F., Keller, U.

“…A surface-emitting semiconductor laser has been passively mode locked in an external cavity incorporating a semiconductor saturable absorber mirror. The gain…”
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Engineering the spatial confinement of exciton polaritons in semiconductors by Kaitouni, R. Idrissi, El Daïf, O., Baas, A., Richard, M., Paraiso, T., Lugan, P., Guillet, T., Morier-Genoud, F., Ganière, J. D., Staehli, J. L., Savona, V., Deveaud, B.

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Multistability of a coherent spin ensemble in a semiconductor microcavity by Paraïso, T. K, Wouters, M, Léger, Y, Mourier-Genoud, F, Deveaud-Plédran, B

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Adaptive feedback control of ultrafast semiconductor nonlinearities by Kunde, J., Baumann, B., Arlt, S., Morier-Genoud, F., Siegner, U., Keller, U.

“…We experimentally demonstrate that adaptive feedback optical pulse shaping can be used to control ultrafast semiconductor nonlinearities. The control scheme is…”
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Oligothiophene Bipyridine Alternate Copolymers and Their Ruthenium Metalated Analogues:  In Situ ESR and UV−Vis Investigations of Metal−Chain Interactions by Lafolet, F., Genoud, F., Divisia-Blohorn, B., Aronica, C., Guillerez, S.

“…In situ electron spin resonance (ESR) and UV−vis spectro-electrochemical studies have been performed on two copolymers consisting of alternating subunits of…”
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Spectroscopy and femtosecond laser performance of Yb3+:Gd0.64Y0.36VO4 crystal by KISEL, V. E, TOLSTIK, N. A, KELLER, U, TROSHIN, A. E, KULESHOV, N. V, MATROSOV, V. N, MATROSOVA, T. A, KUPCHENKO, M. I, BRUNNER, F, PASCHOTTA, R, MORIER-GENOUD, F

“…We report for the first time on the efficient continuous-wave and mode-locked laser operation of a diode-pumped Yb:Gd0.64Y0.36VO4 laser. cw output power of 855…”
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