Browsing by Subject "Quantum dots"

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  • Ag, Didem; Bongartz, Rebecca; Dogan, Leyla Eral; Seleci, Muharrem; Walter, Johanna-Gabriela; Demirkol, Dilek Odaci; Stahl, Frank; Ozcelik, Serdar; Timur, Suna; Scheper, Thomas (Amsterdam : Elsevier, 2014)
    We describe here the synthesis, characterization, bioconjugation, and application of water-soluble thioglycolic acid TGA-capped CdTe/CdS quantum dots (TGA-QDs) for targeted cellular imaging. Anti-human epidermal growth ...
  • Kotzian, M.; Gallego-Marcos, F.; Platero, G.; Haug, Rolf J. (College Park, MD : American Physical Society, 2016)
    Electronic transport through a two-path triple-quantum-dot system with two source leads and one drain is studied and the interaction between the two paths is analyzed. We observe a channel blockade as a result of interchannel ...
  • Bayer, Johannes C.; Wagner, Timo; Rugeramigabo, Eddy P.; Haug, Rolf J. (College Park, MD : American Physical Society, 2017)
    Semiconductor quantum dots are potential building blocks for scalable qubit architectures. Efficient control over the exchange interaction and the possibility of coherently manipulating electron states are essential ...
  • Tutuc, Daniel (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2011)
    [no abstract]
  • Li, Yuan; Ding, Fei; Schmidt, Oliver G. (Bristol, UK : Institute of Physics (IOP), 2018)
    Entanglement between particles is a crucial resource in quantum information processing, an important example of which is the exploitation of entangled photons in quantum communication protocols. Among the different available ...
  • Fricke, Christian; Hohls, Frank; Sethubalasubramanian, Nandhavel; Fricke, Lukas; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2010)
    Measurements of single electron tunneling through a quantum dot (QD) using a quantum point contact as charge detector have been performed for very long time traces with very large event counts. This large statistical basis ...
  • Chen, Yan; Zopf, Michael; Keil, Robert; Ding, Fei; Schmidt, Oliver G. (London : Nature Publishing Group, 2018)
    Many quantum photonic technologies require the efficient generation of entangled pairs of photons, but to date there have been few ways to produce them reliably. Sources based on parametric down conversion operate at very ...
  • Sterin, Pavel; Wiegand, Julia; Hübner, Jens; Oestreich, Michael (College Park, MD : American Physical Society, 2018-03-05)
    Spin noise (SN) spectroscopy measurements on delicate semiconductor spin systems, like single (In,Ga) As quantum dots, are currently not limited by optical shot noise but rather by the electronic noise of the detection ...
  • Yang, Jingzhong; Fandrich, Tom; Benthin, Frederik; Keil, Robert; Sharma, Nand Lal; Nie, Weijie; Hopfmann, Caspar; Schmidt, Oliver G.; Zopf, Michael; Ding, Fei (College Park, MD : American Physical Society, 2022-03-03)
    Semiconductor-based emitters of pairwise photonic entanglement are a promising constituent of photonic quantum technologies. They are known for the ability to generate discrete photonic states on-demand with low multiphoton ...
  • Sarkar, D.; Van Der Meulen, H.P.; Calleja, J.M.; Meyer, J.M.; Haug, Rolf J.; Pierz, Klaus (College Park, MD : American Institute of Physics, 2009)
    Micro-photoluminescence spectroscopy for varying temperature, excitation intensity and energy was performed on a single InAs/AlAs self-assembled quantum dot. A broad sideband at 1.2 meV of the zero phonon line is attributed ...
  • Rogge, M.C.; Fühner, C.; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2007)
    We study the magnetoconductance of lateral quantum dots in high magnetic fields. We use spin blockade and Kondo effect to investigate the spin configuration and the spin filling mechanism and find a dependence on the ...
  • Rogge, M.C.; Pierz, Klaus; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2013)
    We present a lateral quantum dot device which has a tunable number of quantum dots. Depending on easily tunable gate voltages, one, two or three quantum dots are found. They are investigated in transport and charge detection. ...
  • Hübner, Jens; Berski, Fabian; Dahbashi, Ramin; Oestreich, Michael (Weinheim : Wiley-VCH Verlag, 2016)
    This article gives an overview on the advance of spin noise spectroscopy (SNS) in semiconductors in the past 8 years from the first measurements in bulk n-GaAs [Oestreich et al., Phys. Rev. Lett. 95, 216603 (2005)] up to ...
  • Rogge, M.C.; Räsänen, E.; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2011)
    A lateral quantum dot with approx. 50 electrons is analyzed in high perpendicular magnetic fields. In a regime with two Landau levels (LL) in the quantum dot information about the spin structure is gained by investigating ...
  • Yang, Jingzhong; Zopf, Michael; Li, Pengji; Sharma, Nand Lal; Nie, Weijie; Benthin, Frederik; Fandrich, Tom; Rugeramigabo, Eddy P.; Hopfmann, Caspar; Keil, Robert; Schmidt, Oliver G.; Ding, Fei (Ridge, NY : American Physical Society (APS), 2022-06-23)
    Semiconductor quantum dots are promising building blocks for quantum communication applications. Al- though deterministic, efficient, and coherent emission of entangled photons has been realized, implementing a practical ...
  • Seleci, Muharrem; Ag Seleci, Didem; Scheper, Thomas; Stahl, Frank (Basel : MDPI AG, 2017)
    Advanced theranostic nanomedicine is a multifunctional approach which combines the diagnosis and effective therapy of diseased tissues. Here, we investigated the preparation, characterization and in vitro evaluation of ...
  • Seleci, Didem Ag; Maurer, Viktor; Barlas, Firat Baris; Porsiel, Julian Cedric; Temel, Bilal; Ceylan, Elcin; Timur, Suna; Stahl, Frank; Scheper, Thomas; Garnweitner, Georg (Basel : MDPI, 2021)
    The development of multifunctional nanoscale systems that can mediate efficient tumor targeting, together with high cellular internalization, is crucial for the diagnosis of glioma. The combination of imaging agents into ...
  • Heine, Alexander Wieland (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2016)
    [no abstract]