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Numerical optimization of single-mode fiber-coupled single-photon sources based on semiconductor quantum dots

  • Lucas Bremer, Carlos Jimenez, Simon Thiele, Ksenia Weber, Tobias Huber, Sven Rodt, Alois Herkommer, Sven Burger, Sven Höfling, Harald Giessen, Stephan Reitzenstein

We perform extended numerical studies to maximize the overall photon coupling efficiency of fiber-coupled quantum dot single-photon sources emitting in the near-infrared and telecom regime. Using the finite element method,… Weiter »Numerical optimization of single-mode fiber-coupled single-photon sources based on semiconductor quantum dots

Spin-optical dynamics and quantum efficiency of single V1 center in silicon carbide

  • Naoya Morioka, Di Liu, Öney O. Soykal, Izel Gediz, Charles Babin, Rainer Stöhr, Takeshi Ohshima, Nguyen Tien Son, Jawad Ul-Hassan, Florian Kaiser, Jörg Wrachtrup

Color centers in silicon carbide are emerging candidates for distributed spin-based quantum applications due to the scalability of host materials and the demonstration of integration into nanophotonic resonators. Recently, silicon… Weiter »Spin-optical dynamics and quantum efficiency of single V1 center in silicon carbide

Optically coherent nitrogen-vacancy defect centers in diamond nanostructures

  • Laura Orphal-Kobin, Kilian Unterguggenberger, Tommaso Pregnolato, Natalia Kemf, Matthias Matalla, Ralph-Stephan Unger, Ina Ostermay, Gregor Pieplow, Tim Schröder

Optically active solid-state spin defects have the potential to become a versatile resource for quantum information processing applications. Nitrogen-vacancy defect centers (NV) in diamond act as quantum memories and can… Weiter »Optically coherent nitrogen-vacancy defect centers in diamond nanostructures

Photoneutralization of charges in GaAs quantum dot based entangled photon emitters

  • Jingzhong Yang, Tom Fandrich, Frederik Benthin, Robert Keil, Nand Lal Sharma, Weijie Nie, Caspar Hopfmann, Oliver G. Schmidt, Michael Zopf, Fei Ding

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 emission,… Weiter »Photoneutralization of charges in GaAs quantum dot based entangled photon emitters

Photoneutralization of charges in GaAs quantum dot based entangled photon emitters

  • Jingzhong Yang, Tom Fandrich, Frederik Benthin, Robert Keil, Nand Lal Sharma, Weijie Nie, Caspar Hopfmann, Oliver G. Schmidt, Michael Zopf, Fei Ding

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 emission,… Weiter »Photoneutralization of charges in GaAs quantum dot based entangled photon emitters