Search Results - "Lettner, Niklas"

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  1. 1

    Single photon randomness originating from the symmetric dipole emission pattern of quantum emitters by Hoese, Michael, Koch, Michael K., Breuning, Felix, Lettner, Niklas, Fehler, Konstantin G., Kubanek, Alexander

    Published in Applied physics letters (24-01-2022)
    “…Quantum random number generation is a key ingredient for quantum cryptography and fundamental quantum optics and could advance Monte Carlo simulations and…”
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    Journal Article
  2. 2

    High-purity single photons obtained with moderate-NA optics from SiV center in nanodiamonds on a bullseye antenna by Waltrich, Richard, Lubotzky, Boaz, Abudayyeh, Hamza, Steiger, Elena S, Fehler, Konstantin G, Lettner, Niklas, Davydov, Valery A, Agafonov, Viatcheslav N, Rapaport, Ronen, Kubanek, Alexander

    Published in New journal of physics (01-11-2021)
    “…Abstract Coherent exchange of single photons is at the heart of applied quantum optics. The negatively-charged silicon vacancy center in diamond is among most…”
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  3. 3

    Strongly coupled spins of silicon-vacancy centers inside a nanodiamond with sub-megahertz linewidth by Klotz, Marco, Waltrich, Richard, Lettner, Niklas, Agafonov, Viatcheslav N., Kubanek, Alexander

    Published in Nanophotonics (Berlin, Germany) (27-05-2024)
    “…The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits, is longstanding. One possible solution is to use the…”
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  4. 4

    Optical driving, spin initialization and readout of single SiV− centers in a Fabry-Perot resonator by Bayer, Gregor, Berghaus, Robert, Sachero, Selene, Filipovski, Andrea B., Antoniuk, Lukas, Lettner, Niklas, Waltrich, Richard, Klotz, Marco, Maier, Patrick, Agafonov, Viatcheslav, Kubanek, Alexander

    Published in Communications physics (16-10-2023)
    “…Large-scale quantum communication networks require quantum repeaters due to the signal attenuation in optical fibers. Ideal quantum repeater nodes efficiently…”
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  5. 5

    Purcell-enhanced emission from individual SiV− center in nanodiamonds coupled to a Si3N4-based, photonic crystal cavity by Fehler, Konstantin G., Ovvyan, Anna P., Antoniuk, Lukas, Lettner, Niklas, Gruhler, Nico, Davydov, Valery A., Agafonov, Viatcheslav N., Pernice, Wolfram H.P., Kubanek, Alexander

    Published in Nanophotonics (Berlin, Germany) (01-09-2020)
    “…Hybrid quantum photonics combines classical photonics with quantum emitters in a postprocessing step. It facilitates to link ideal quantum light sources to…”
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  6. 6

    Enhanced spectral density of a single germanium vacancy center in a nanodiamond by cavity integration by Feuchtmayr, Florian, Berghaus, Robert, Sachero, Selene, Bayer, Gregor, Lettner, Niklas, Waltrich, Richard, Maier, Patrick, Agafonov, Viatcheslav, Kubanek, Alexander

    Published in Applied physics letters (10-07-2023)
    “…Color centers in diamond, among them the negatively charged germanium vacancy (GeV−), are promising candidates for many applications of quantum optics, such as…”
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  7. 7
  8. 8

    Controlling All Degrees of Freedom of the Optical Coupling in Hybrid Quantum Photonics by Lettner, Niklas, Antoniuk, Lukas, Ovvyan, Anna P., Gehring, Helge, Wendland, Daniel, Agafonov, Viatcheslav N., Pernice, Wolfram H. P., Kubanek, Alexander

    Published in ACS photonics (21-02-2024)
    “…Nanophotonic quantum devices can significantly boost light–matter interaction, which is important for applications such as quantum networks. Reaching a high…”
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  9. 9

    Hybrid Quantum Photonics Based on Artificial Atoms Placed Inside One Hole of a Photonic Crystal Cavity by Fehler, Konstantin G, Antoniuk, Lukas, Lettner, Niklas, Ovvyan, Anna P, Waltrich, Richard, Gruhler, Nico, Davydov, Valery A, Agafonov, Viatcheslav N, Pernice, Wolfram H. P, Kubanek, Alexander

    Published in ACS photonics (15-09-2021)
    “…Spin-based, quantum-photonics promise to realize distributed quantum computing and quantum networks. The performance depends on an efficient entanglement…”
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  10. 10

    Purcell-enhanced emission from individual SiV − center in nanodiamonds coupled to a Si 3 N 4 -based, photonic crystal cavity by Fehler, Konstantin G., Ovvyan, Anna P., Antoniuk, Lukas, Lettner, Niklas, Gruhler, Nico, Davydov, Valery A., Agafonov, Viatcheslav N., Pernice, Wolfram H.P., Kubanek, Alexander

    Published in Nanophotonics (Berlin, Germany) (03-09-2020)
    “…Abstract Hybrid quantum photonics combines classical photonics with quantum emitters in a postprocessing step. It facilitates to link ideal quantum light…”
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    Journal Article
  11. 11

    Strongly Coupled Spins of Silicon-Vacancy Centers Inside a Nanodiamond with Sub-Megahertz Linewidth by Klotz, Marco, Waltrich, Richard, Lettner, Niklas, Agafonov, Viatcheslav, Kubanek, Alexander

    Published 14-12-2023
    “…The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits is longstanding. One possible solution is to use the…”
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    Journal Article
  12. 12

    Enhanced Spectral Density of a Single Germanium Vacancy Center in a Nanodiamond by Cavity-Integration by Feuchtmayr, Florian, Berghaus, Robert, Sachero, Selene, Bayer, Gregor, Lettner, Niklas, Waltrich, Richard, Maier, Patrick, Agafonov, Viatcheslav, Kubanek, Alexander

    Published 30-11-2023
    “…Color centers in diamond, among them the negatively-charged germanium vacancy (GeV$^-$), are promising candidates for many applications of quantum optics such…”
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    Journal Article
  13. 13

    Controlling all Degrees of Freedom of the Optical Coupling in Hybrid Quantum Photonics by Lettner, Niklas, Antoniuk, Lukas, Ovvyan, Anna P, Gehring, Helge, Wendland, Daniel, Agafonov, Viatcheslav N, Pernice, Wolfram H. P, Kubanek, Alexander

    Published 26-10-2023
    “…Nanophotonic quantum devices can significantly boost light-matter interaction which is important for applications such as quantum networks. Reaching a high…”
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    Journal Article
  14. 14

    Hybrid Quantum Nanophotonics: Interfacing Color Center in Nanodiamonds with Si3N4-Photonics by Kubanek, Alexander, Ovvyan, Anna P, Antoniuk, Lukas, Lettner, Niklas, Pernice, Wolfram H. P

    Published 26-07-2022
    “…This chapter covers recent developments in the field of hybrid quantum photonics based on color centers in nanodiamonds and Si3N4-photonics towards a…”
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  15. 15

    All-Optical Spin Initialization via a Cavity Broadened Optical Transition in On-Chip Hybrid Quantum Photonics by Antoniuk, Lukas, Lettner, Niklas, Ovvyan, Anna P, Haugg, Simon, Klotz, Marco, Gehring, Helge, Wendland, Daniel, Agafonov, Viatcheslav N, Pernice, Wolfram H. P, Kubanek, Alexander

    Published 29-08-2023
    “…Hybrid quantum photonic systems connect classical photonics to the quantum world and promise to deliver efficient light-matter quantum interfaces while…”
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  16. 16

    Room Temperature Fiber-Coupled single-photon devices based on Colloidal Quantum Dots and SiV centers in Back Excited Nanoantennas by Lubotzky, Boaz, Nazarov, Alexander, Abudayyeh, Hamza, Antoniuk, Lukas, Lettner, Niklas, Agafonov, Viatcheslav, Bennett, Anastasia V, Hollingsworth, Jennifer A, Kubanek, Alexander, Rapaport, Ronen

    Published 19-03-2023
    “…We demonstrate an important step towards on chip integration of single photon sources operating at room temperature fiber coupling of a directional quantum…”
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  17. 17

    Single photon randomness originating from the symmetry of dipole emission and the unpredictability of spontaneous emission by Hoese, Michael, Koch, Michael K, Breuning, Felix, Lettner, Niklas, Fehler, Konstantin G, Kubanek, Alexander

    Published 18-02-2021
    “…Appl. Phys. Lett. 120, 044001 (2022) Quantum random number generation is a key ingredient for quantum cryptography and fundamental quantum optics and could…”
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  18. 18

    A Quantum Repeater Platform based on Single SiV$^-$ Centers in Diamond with Cavity-Assisted, All-Optical Spin Access and Fast Coherent Driving by Bayer, Gregor, Berghaus, Robert, Sachero, Selene, Filipovski, Andrea B, Antoniuk, Lukas, Lettner, Niklas, Waltrich, Richard, Klotz, Marco, Maier, Patrick, Agafonov, Viatcheslav, Kubanek, Alexander

    Published 28-10-2022
    “…Quantum key distribution enables secure communication based on the principles of quantum mechanics. The distance in fiber-based quantum communication is…”
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  19. 19

    A Robust Coherent Single-Photon Interface for Moderate- NA Optics Based on SiV Center in Nanodiamonds and a Plasmonic Bullseye Antenna by Waltrich, Richard, Abudayyeh, Hamza, Lubotzky, Boaz, Steiger, Elena S, Fehler, Konstantin G, Lettner, Niklas, Davydov, Valery A, Agafonov, Viatcheslav N, Rapaport, Ronen, Kubanek, Alexander

    Published 22-01-2021
    “…Coherent exchange of single photons is at the heart of applied Quantum Optics. The negatively-charged silicon vacancy center in diamond is among most promising…”
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    Journal Article
  20. 20

    Hybrid quantum photonics based on artificial atoms placed inside one hole of a photonic crystal cavity by Fehler, Konstantin G, Antoniuk, Lukas, Lettner, Niklas, Ovvyan, Anna P, Waltrich, Richard, Gruhler, Nico, Davydov, Valery A, Agafonov, Viatcheslav N, Pernice, Wolfram H. P, Kubanek, Alexander

    Published 01-02-2021
    “…ACS Photonics, 8(9), 2635-2641 (2021) Spin-based quantum photonics promise to realize distributed quantum computing and quantum networks. The performance…”
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