Search Results - "Wojnar, P."

Optical manipulation of a single Mn spin in a CdTe-based quantum dot by Goryca, M, Kazimierczuk, T, Nawrocki, M, Golnik, A, Gaj, J A, Kossacki, P, Wojnar, P, Karczewski, G

“…Two coupled CdTe quantum dots, selected from a self-assembled system, one of them containing a single Mn ion, were studied by continuous wave and modulated…”
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Giant enhancement of second harmonic light intensity in waveguiding core/shell ZnTe/ZnMgTe nanowires by Szymura, M., Mitioglu, A. A., Wojnar, P., Maude, D. K., Płochocka, P., Kłopotowski, Ł.

“…We present studies of second harmonic generation in core/shell ZnTe/Zn1−xMgxTe nanowires (NWs) with a waveguiding geometry. The NWs are excited by a pulsed…”
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Coherent Precession of an Individual 5/2 Spin by Goryca, M, Koperski, M, Wojnar, P, Smoleński, T, Kazimierczuk, T, Golnik, A, Kossacki, P

“…We present direct observation of a coherent spin precession of an individual Mn^{2+} ion, having both electronic and nuclear spins equal to 5/2, embedded in a…”
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Magnetic-field-induced abrupt spin-state transition in a quantum dot containing magnetic ions by Koperski, M., Smoleński, T., Goryca, M., Wojnar, P., Potemski, M., Kossacki, P.

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Towards vertical coupling of CdTe/ZnTe quantum dots formed by a high temperature tellurium induced process by Wojnar, P., Bougerol, C., Bellet-Amalric, E., Besombes, L., Mariette, H., Boukari, H.

“…We present a systematic study of the CdTe/ZnTe quantum dots (QDs) formation induced by tellurium (Te) deposition and desorption. The investigation of the QDs…”
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Strain-induced energy gap variation in ZnTe/ZnMgTe core/shell nanowires by Wojnar, P., Zielinski, M., Janik, E., Zaleszczyk, W., Wojciechowski, T., Wojnar, R., Szymura, M., Kłopotowski, Ł., Baczewski, L. T., Pietruchik, A., Wiater, M., Kret, S., Karczewski, G., Wojtowicz, T., Kossut, J.

“…Strain-induced changes of ZnTe energy gap in ZnTe/ZnMgTe core/shell nanowires arising from lattice mismatch between the core and the shell semiconductor are…”
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Micropillar Cavity Containing a CdTe Quantum Dot with a Single Manganese Ion by Pacuski, W, Jakubczyk, T, Kruse, C, Kobak, J, Kazimierczuk, T, Goryca, M, Golnik, A, Kossacki, P, Wiater, M, Wojnar, P, Karczewski, G, Wojtowicz, T, Hommel, D

“…We report on the method of fabrication of a photonic microstructure that contains a single magnetic ion. Exactly one manganese ion was introduced into a…”
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Quantum interference in exciton-Mn spin interactions in a CdTe semiconductor quantum dot by Trojnar, A H, Korkusiński, M, Kadantsev, E S, Hawrylak, P, Goryca, M, Kazimierczuk, T, Kossacki, P, Wojnar, P, Potemski, M

“…We show theoretically and experimentally the existence of a new quantum-interference effect between the electron-hole interactions and the scattering by a…”
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Optical signatures of spin-dependent coupling in semimagnetic quantum dot molecules by Kłopotowski, Ł., Wojnar, P., Cywiński, Ł., Jakubczyk, T., Goryca, M., Fronc, K., Wojtowicz, T., Karczewski, G.

“…We present photoluminescence studies of CdTe and Cd sub(1-x) Mn sub(x) Te quantum dots grown in two adjacent layers. We show that when the dots are 8 nm apart,…”
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Influence of exciton spin relaxation on the photoluminescence spectra of semimagnetic quantum dots by Kłopotowski, Ł., Cywiński, Ł., Szymura, M., Voliotis, V., Grousson, R., Wojnar, P., Fronc, K., Kazimierczuk, T., Golnik, A., Karczewski, G., Wojtowicz, T.

“…We present a comprehensive experimental and theoretical study of photoluminescence of single Cd sub(1-x) Mnx Te quantum dots with Mn content x ranging from…”
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Compensation of the exciton-ion exchange interaction in a quantum dot by application of a magnetic field by Malinowski, F. K., Smole ski, T., Goryca, M., Koperski, M., Wojnar, P., Kossacki, P.

“…The exchange interaction between band carriers and electrons from the d-shell of a single magnetic ion embedded in a semiconductor quantum dot leads to the…”
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Pressure coefficients of the photoluminescence of the II–VI semiconducting quantum dots grown by molecular beam epitaxy by łach, P., Karczewski, G., Wojnar, P., Wojtowicz, T., Brik, M.G., Kamińska, A., Reszka, A., Kowalski, B.J., Suchocki, A.

“…Luminescence properties of CdTe and CdSe quantum dots have been studied under high hydrostatic pressure. The luminescence pressure coefficients of the II–VI…”
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Structural characterization of the epitaxially grown core–shell ZnTe/ZnMgTe nanowires by Dynowska, E., Domagala, J.Z., Romanowski, P., Kret, S., Janik, E., Wojnar, P., Caliebe, W.

“…We report the method of the epitaxial growth of the core–shell ZnTe/ZnMgTe nanowires. The morphology and the crystal structure of several samples grown in…”
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Clustering in a self-assembled CdTe/ZnTe quantum dot plane revealed by inter-dot coupling by Kazimierczuk, T., Golnik, A., Wojnar, P., Gaj, J. A., Kossacki, P.

“…We study probability of coupling between randomly distributed quantum dots (QDs) in self‐assembled CdTe/ZnTe heterostructures grown with different thicknesses…”
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In-plane radiative recombination channel of a dark exciton in self-assembled quantum dots by Smoleński, T., Kazimierczuk, T., Goryca, M., Jakubczyk, T., Kłopotowski, Ł., Cywiński, Ł., Wojnar, P., Golnik, A., Kossacki, P.

“…We demonstrate evidence for a radiative recombination channel of dark excitons in self-assembled quantum dots. This channel is due to a light hole admixture in…”
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Optical manipulation of a single Mn spin in a CdTe quantum dot by Goryca, M., Kazimierczuk, T., Nawrocki, M., Golnik, A., Gaj, J.A., Wojnar, P., Karczewski, G., Kossacki, P.

“…In this paper we demonstrate optical writing of information on the spin state of a single Mn ion embedded in a CdTe/ZnTe quantum dot. As a tool for Mn spin…”
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Transparent p-type ZnO films obtained by oxidation of sputter-deposited Zn3N2 by KAMINSKA, E, PIOTROWSKA, A, ALESZKIEWICZ, M, WOJNAR, P, KOWALCZYK, E, KOSSUT, J, BARCZ, A, BUTKUTE, R, DOBROWOLSKI, W, DYNOWSKA, E, JAKIELA, R, PRZEZDZIECKA, E, LUKASIEWICZ, R

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Mechanism and dynamics of biexciton formation from a long-lived dark exciton in a CdTe quantum dot by Smoleński, T., Kazimierczuk, T., Goryca, M., Wojnar, P., Kossacki, P.

“…We study the biexciton formation process in a single CdTe/ZnTe quantum dot. Consistently with previous studies, we find subquadratic dependence of the…”
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Optically induced energy and spin transfer in nonresonantly coupled pairs of self-assembled CdTe/ZnTe quantum dots by Kazimierczuk, T., Suffczyński, J., Golnik, A., Gaj, J. A., Kossacki, P., Wojnar, P.

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Influence of quantum dot density on excitonic transport and recombination in CdZnTe/ZnTe QD structures by Korona, K.P., Wojnar, P., Gaj, J.A., Karczewski, G., Kossut, J., Kuhl, J.

“…We report on dynamics of excitons in Cd x Zn 1− x Te/ZnTe quantum dots (QDs) and present information of excitonic transport and recombination. Due to different…”
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