Spectral signatures of high-symmetry quantum dots and effects of symmetry breaking

Autor: K F Karlsson, D Y Oberli, M A Dupertuis, V Troncale, M Byszewski, E Pelucchi, A Rudra, P O Holtz, E Kapon

Publikováno v: New Journal of Physics, Vol 17, Iss 10, p 103017 (2015)

High symmetry epitaxial quantum dots (QDs) with three or more symmetry planes provide a very promising route for the generation of entangled photons for quantum information applications. The great challenge to fabricate nanoscopic high symmetry QDs i

Externí odkaz: https://doaj.org/article/4e52c32dea9f4bf68e3b7d769b0c13b5

Hole character and photon polarization switching in quantum dot-in-dots and Quantum Dot Molecules

Autor: V. Troncale, Karl Fredrik Karlsson, Eli Kapon

Publikováno v: CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference.

Three-dimensional (3D) quantum confinement in semiconductor quantum dots (QDs) implies valence band mixing, which in turns determines the polarization properties of the emitted photons. However, the valence band structure in QDs has been investigated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7518a40bebb5a7231ab0955fa5f5118
https://doi.org/10.1109/cleoe-eqec.2009.5196501

Posters

Autor: A. Atanassov, G. Zlateva, M. Baleva, Lars Wischmeier, Chegnui Bekeny, Tobias Voss, Alexandru Popescu, Daniel Walldorf, Kai Schorstein, Thomas Walther, M. Marinova, Andrea Gnoli, Marcofabio Righini, Arno Vredenborg, Wim G. Roeterdink, Maurice H. M. Janssen, E. Salumbides, S. Hannemann, E. Reinhold, I. Labazan, S. Witte, R. Zinkstok, K. Eikema, W. Ubachs, Jacek P. Goc, Adam Bartczak, Marek Zaparucha, J. Trojan-Piegza, E. Zych, J. Niittykoski, J. Hölsa, L. Davydenko, I. Babich, Y. Plyuto, A. D. van Langeveld, J. A. Moulijn, W. Gawelda, B. Sobanek, V. T. Pham, M. Kaiser, Y. Zaushitsyn, A. Tarnovsky, D. Grolimund, S. L. Johnson, R. Abela, M. Chergui, C. Bressler, R. Pazik, D. Hreniak, W. Strek, A. Speghini, M. Bettinelli, V. Diez Blanco, J. Siegel, J. Solis, L. Bonacina, P. Larrégaray, F. van Mourik, V. Troncale, D. Seliuta, Olga Goncharova, Cristina Gaspar de Oliveira, Paulo Coelho de Oliveira, Salvatore Almaviva, Giuseppe Baldacchini, Francesca Bonfigli, Rosa Maria Montereali, Maria Aurora Vincenti, Lineke van der Sneppen, James Carey, Brian Tull, Michael Sheehy, Eric Diebold, Eric Mazur

Publikováno v: Advances in Spectroscopy for Lasers and Sensing ISBN: 9781402047886

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75f1bb6c41f0205408bf5c43d3c8fcb6
https://doi.org/10.1007/1-4020-4789-4_30

Control of valence band states in pyramidal quantum dot-in-dot semiconductor heterostructures

Autor: Karl Fredrik Karlsson, V. Troncale, Emanuele Pelucchi, Eli Kapon, A. Rudra

Publikováno v: Applied Physics Letters. 91:241909

The character of the hole states in a pyramidal GaAs∕AlGaAs quantum dot-in-dot (DiD) heterostructure is shown to be controllable by tailoring the confinement potential shape. The change in ground valence band state from heavy hole like to light hol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db2d2599f4c17b5654ce07ac55cbc6f3
https://doi.org/10.1063/1.2820693

Dynamic switching of hole character and single photon polarization using the quantum confined Stark effect in quantum dot-in-dot structures

Autor: Elyahou Kapon, Karl Fredrik Karlsson, V. Troncale

The engineering of the three-dimensional (3D) heterostructure potential in GaAs/AlGaAs pyramidal quantum dot-in-dots (DiDs) provides control over the valence band symmetry and hence on the polarization of the emitted photons. We propose a technique f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8eeedcb8a8e402556cc68fcb7d39c736
https://infoscience.epfl.ch/record/150777