Search Results - "Wojtowicz, T."

Routing the emission of a near-surface light source by a magnetic field by Spitzer, F., Poddubny, A. N., Akimov, I. A., Sapega, V. F., Klompmaker, L., Kreilkamp, L. E., Litvin, L. V., Jede, R., Karczewski, G., Wiater, M., Wojtowicz, T., Yakovlev, D. R., Bayer, M.

“…Magneto-optical phenomena such as the Faraday and Kerr effects play a central role in controlling the polarization and intensity of optical fields propagating…”
Get full text

Long-range p–d exchange interaction in a ferromagnet–semiconductor hybrid structure by Korenev, V. L., Salewski, M., Akimov, I. A., Sapega, V. F., Langer, L., Kalitukha, I. V., Debus, J., Dzhioev, R. I., Yakovlev, D. R., Müller, D., Schröder, C., Hövel, H., Karczewski, G., Wiater, M., Wojtowicz, T., Kusrayev, Yu. G., Bayer, M.

“…Hybrid structures synthesized from different materials have attracted considerable attention because they may allow not only combination of the functionalities…”
Get full text

Spin-Transistor Action via Tunable Landau-Zener Transitions by Betthausen, C., Dollinger, T., Saarikoski, H., Kolkovsky, V., Karczewski, G., Wojtowicz, T., Richter, K., Weiss, D.

“…Spin-transistor designs relying on spin-orbit interaction suffer from low signal levels resulting from low spin-injection efficiency and fast spin decay. Here,…”
Get full text

Low voltage control of exchange coupling in a ferromagnet-semiconductor quantum well hybrid structure by Korenev, V. L., Kalitukha, I. V., Akimov, I. A., Sapega, V. F., Zhukov, E. A., Kirstein, E., Ken, O. S., Kudlacik, D., Karczewski, G., Wiater, M., Wojtowicz, T., Ilyinskaya, N. D., Lebedeva, N. M., Komissarova, T. A., Kusrayev, Yu. G., Yakovlev, D. R., Bayer, M.

“…Voltage control of ferromagnetism on the nanometer scale is highly appealing for the development of novel electronic devices with low power consumption, high…”
Get full text

Spin-Orbit Twisted Spin Waves: Group Velocity Control by Perez, F, Baboux, F, Ullrich, C A, D'Amico, I, Vignale, G, Karczewski, G, Wojtowicz, T

“…We present a theoretical and experimental study of the interplay between spin-orbit coupling (SOC), Coulomb interaction, and motion of conduction electrons in…”
Get full text

Genotype variation in bark texture drives lichen community assembly across multiple environments by Lamit, L. J, Lau, M. K, Næsborg, R. Reese, Wojtowicz, T, Whitham, T. G, Gehring, C. A

“…A major goal of community genetics is to understand the influence of genetic variation within a species on ecological communities. Although well-documented for…”
Get full text

Spin-flip Raman scattering of the neutral and charged excitons confined in a CdTe/(Cd,Mg)Te quantum well by Debus, J., Dunker, D., Sapega, V. F., Yakovlev, D. R., Karczewski, G., Wojtowicz, T., Kossut, J., Bayer, M.

“…Spin-flip Raman scattering of electrons and heavy holes is studied for resonant excitation of neutral and charged excitons in a CdTe/Cd sub(0.63)Mg sub(0.37)Te…”
Get full text

Access to long-term optical memories using photon echoes retrieved from semiconductor spins by Langer, L., Poltavtsev, S. V., Yugova, I. A., Salewski, M., Yakovlev, D. R., Karczewski, G., Wojtowicz, T., Akimov, I. A., Bayer, M.

“…The ability to store optical information is important for both classical and quantum communication. Achieving this in a comprehensive manner (converting the…”
Get full text

Coherent coupling of excitons and trions in a photoexcited CdTe/CdMgTe quantum well by Moody, G, Akimov, I A, Li, H, Singh, R, Yakovlev, D R, Karczewski, G, Wiater, M, Wojtowicz, T, Bayer, M, Cundiff, S T

“…We present zero-, one-, and two-quantum two-dimensional coherent spectra of excitons and trions in a CdTe/(Cd,Mg)Te quantum well. The set of spectra provides a…”
Get full text

Polarimetry of photon echo on charged and neutral excitons in semiconductor quantum wells by Poltavtsev, S. V., Kapitonov, Yu. V., Yugova, I. A., Akimov, I. A., Yakovlev, D. R., Karczewski, G., Wiater, M., Wojtowicz, T., Bayer, M.

“…Coherent optical spectroscopy such as four-wave mixing and photon echo generation deliver rich information on the energy levels involved in optical transitions…”
Get full text

Electron density magnification of the collective spin-orbit field in quantum wells by Baboux, F., Perez, F., Ullrich, C. A., Karczewski, G., Wojtowicz, T.

“…The spin-orbit field acting on the spin waves of a spin-polarized electron gas is studied by in-elastic light scattering on a CdMnTe quantum well…”
Get full text

Photovoltaic characterization of n-CdTe/p-CdMnTe/GaAs diluted magnetic diode by Yahia, I.S., Yakuphanoglu, F., Chusnutdinow, S., Wojtowicz, T., Karczewski, G.

“…A CdTe/CdMnTe heterojunction magnetic diode for photovoltaic applications was fabricated by using molecular beam epitaxy (MBE). The ideality factor and the…”
Get full text

Coulomb-driven organization and enhancement of spin-orbit fields in collective spin excitations by Baboux, F., Perez, F., Ullrich, C. A., D'Amico, I., Karczewski, G., Wojtowicz, T.

“…Spin-orbit (SO) fields in a spin-polarized electron gas are studied by angle-resolved inelastic light scattering on a CdMnTe quantum well. We demonstrate a…”
Get full text

Spin currents in diluted magnetic semiconductors by Ganichev, S D, Tarasenko, S A, Bel'kov, V V, Olbrich, P, Eder, W, Yakovlev, D R, Kolkovsky, V, Zaleszczyk, W, Karczewski, G, Wojtowicz, T, Weiss, D

“…We study zero-bias spin separation in (Cd,Mn)Te/(Cd,Mg)Te diluted magnetic semiconductor structures. The spin current generated by electron gas heating under…”
Get full text

PbSe/CdTe single quantum well infrared detectors by Chusnutdinow, S., Szot, M., Wojtowicz, T., Karczewski, G.

“…We report on the fabrication and characterization of a new type of mid-infrared photodetector. The infrared sensitive element of the detector is a PbSe single…”
Get full text

Terahertz radiation from magnetic excitations in diluted magnetic semiconductors by Rungsawang, R, Perez, F, Oustinov, D, Gómez, J, Kolkovsky, V, Karczewski, G, Wojtowicz, T, Madéo, J, Jukam, N, Dhillon, S, Tignon, J

“…We probed, in the time domain, the THz electromagnetic radiation originating from spins in CdMnTe diluted magnetic semiconductor quantum wells containing…”
Get full text

High-Resolution Two-Dimensional Optical Spectroscopy of Electron Spins by Salewski, M., Poltavtsev, S. V., Yugova, I. A., Karczewski, G., Wiater, M., Wojtowicz, T., Yakovlev, D. R., Akimov, I. A., Meier, T., Bayer, M.

“…Multidimensional coherent optical spectroscopy is one of the most powerful tools for investigating complex quantum mechanical systems. While it was conceived…”
Get full text

Magnetoplasmons in high electron mobility CdTe/CdMgTe quantum wells by Grigelionis, I., Nogajewski, K., Karczewski, G., Wojtowicz, T., Czapkiewicz, M., Wróbel, J., Boukari, H., Mariette, H., Łusakowski, J.

“…Terahertz magnetospectroscopy experiments on high quality CdTe/CdMgTe quantum wells were carried out at low temperatures and high magnetic fields. Samples of…”
Get full text

Circular and linear magnetic quantum ratchet effects in dual-grating-gate CdTe-based nanostructures by Faltermeier, P., Budkin, G.V., Hubmann, S., Bel'kov, V.V., Golub, L.E., Ivchenko, E.L., Adamus, Z., Karczewski, G., Wojtowicz, T., Kozlov, D.A., Weiss, D., Ganichev, S.D.

“…Circular and linear magnetic quantum ratchet effects induced by alternating electric fields in the terahertz frequency range have been observed. The ratchet…”
Get full text

Electron spin dephasing in Mn-based II-VI diluted magnetic semiconductors by Ben Cheikh, Z., Cronenberger, S., Vladimirova, M., Scalbert, D., Perez, F., Wojtowicz, T.

“…In various manganese-based II-VI diluted magnetic semiconductors and their quantum structures, the measured variations of electron spin dephasing time in an…”
Get full text