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  1. No Access

    Article

    The Design of an Electrically-Driven Single Photon Source of the 1.3-μm Spectral Range Based on a Vertical Microcavity with Intracavity Contacts

    Using mathematical simulation methods, various versions of the design of electrically-driven single photon sources based on optical microcavities with single quantum dots are investigated. A version of the des...

    S. A. Blokhin, M. A. Bobrov, N. A. Maleev, A. A. Blokhin… in Technical Physics Letters (2021)

  2. No Access

    Chapter

    Stressor-Induced Site Control of Quantum Dots for Single-Photon Sources

    The strain field of selectively oxidized AlOx current apertures in an AlGaAs/GaAs mesa is utilized to define the nucleation site of InGaAs/GaAs quantum dots. A design is developed that allows for the self-aligned...

    U. W. Pohl, A. Strittmatter, A. Schliwa, M. Lehmann… in Semiconductor Nanophotonics (2020)

  3. No Access

    Article

    Nonclassical Light Sources Based on Selectively Positioned Deterministic Microlens Structures and (111) In(Ga)As Quantum Dots

    The results of investigations of the optical characteristics of nonclassical light sources based on selectively positioned microlens structures and single (111) In(Ga)As quantum dots grown on a (111) BGaAs sub...

    I. A. Derebezov, V. A. Gaisler, A. V. Gaisler, D. V. Dmitriev… in Semiconductors (2019)

  4. No Access

    Article

    Photon-Number-Resolving Transition-Edge Sensors for the Metrology of Quantum Light Sources

    Low-temperature photon-number-resolving detectors allow for direct access to the photon number distribution of quantum light sources and can thus be exploited to explore the photon statistics, e.g., solid-stat...

    M. Schmidt, M. von Helversen, M. López, F. Gericke… in Journal of Low Temperature Physics (2018)

  5. No Access

    Article

    Spectroscopy of Single AlInAs and (111)-Oriented InGaAs Quantum Dots

    A system of AlInAs- and InGaAs(111)-based quantum dots is studied. The use of wide-gap AlxIn1 –xAs alloys as a basis for quantum dots provides a means for substantially extending the spectral region of emission t...

    I. A. Derebezov, V. A. Gaisler, A. V. Gaisler, D. V. Dmitriev… in Semiconductors (2018)

  6. No Access

    Article

    Subminiature emitters based on a single (111) In(Ga)As quantum dot and hybrid microcavity

    The results of numerical modeling and investigation of a hybrid microcavity based on a semiconductor Bragg reflector and a microlens selectively positioned above a single (111) In(Ga)As quantum dot are present...

    I. A. Derebezov, V. A. Gaisler, A. V. Gaisler, D. V. Dmitriev… in Semiconductors (2017)

  7. Article

    Open Access

    A bright triggered twin-photon source in the solid state

    A non-classical light source emitting pairs of identical photons represents a versatile resource of interdisciplinary importance with applications in quantum optics and quantum biology. To date, photon twins h...

    T. Heindel, A. Thoma, M. von Helversen, M. Schmidt, A. Schlehahn… in Nature Communications (2017)

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  8. No Access

    Article

    Hybrid microcavity for superminiature single quantum dot based emitters

    This paper describes the development and implementation of a microcavity based on a semiconductor Bragg reflector and a microlens selectively positioned over a single (111) InGaAs quantum dot. The structure of...

    V. A. Gaisler, I. A. Derebezov… in Optoelectronics, Instrumentation and Data … (2017)

  9. No Access

    Chapter

    Single-Photon Sources Based on Deterministic Quantum-Dot Microlenses

    This chapter addresses the design, fabrication and characterization of deterministically fabricated single-photon sources based on quantum dot microlenses. The quantum devices are optimized for future applicat...

    T. Heindel, S. Rodt, S. Reitzenstein in Quantum Dots for Quantum Information Technologies (2017)

  10. No Access

    Article

    Polariton condensate coherence in planar microcavities in a magnetic field

    In planar GaAs microcavities in a magnetic field up to 5 T perpendicular to the structure growth plane, under conditions of resonant pulsed pum** to a point close to the inflection point of the lower dispers...

    A. V. Chernenko, A. Rahimi-lman, J. Fischer, M. Amthor, C. Schneider… in Semiconductors (2016)

  11. No Access

    Article

    Quantum dot micropillar cavities with quality factors exceeding 250,000

    We report on the spectroscopic investigation of quantum dot micropillar cavities with unprecedented quality factors. We observe a pronounced dependency of the quality factor on the measurement scheme and find...

    C. Schneider, P. Gold, S. Reitzenstein, S. Höfling, M. Kamp in Applied Physics B (2016)

  12. Article

    Open Access

    Highly indistinguishable photons from deterministic quantum-dot microlenses utilizing three-dimensional in situ electron-beam lithography

    The success of advanced quantum communication relies crucially on non-classical light sources emitting single indistinguishable photons at high flux rates and purity. We report on deterministically fabricated ...

    M. Gschrey, A. Thoma, P. Schnauber, M. Seifried, R. Schmidt… in Nature Communications (2015)

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  13. Article

    Open Access

    Microcavity controlled coupling of excitonic qubits

    Controlled non-local energy and coherence transfer enables light harvesting in photosynthesis and non-local logical operations in quantum computing. This process is intuitively pictured by a pair of mechanical...

    F. Albert, K. Sivalertporn, J. Kasprzak, M. Strauß, C. Schneider… in Nature Communications (2013)

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  14. No Access

    Article

    Up on the Jaynes–Cummings ladder of a quantum-dot/microcavity system

    The strong coupling of light and matter is responsible for phenomena such as Bose–Einstein condensation. In a study of strong-coupling effects in semiconductor microcavities, the interaction between a two-leve...

    J. Kasprzak, S. Reitzenstein, E. A. Muljarov, C. Kistner, C. Schneider… in Nature Materials (2010)

  15. No Access

    Article

    Non-resonant dot–cavity coupling and its potential for resonant single-quantum-dot spectroscopy

    Non-resonant emitter–cavity coupling is a fascinating effect recently observed as unexpected pronounced cavity resonance emission even in strongly detuned single quantum dot–microcavity systems1,2,3. This phenome...

    S. Ates, S. M. Ulrich, A. Ulhaq, S. Reitzenstein, A. Löffler… in Nature Photonics (2009)

  16. No Access

    Article

    Direct observation of correlations between individual photon emission events of a microcavity laser

    Coherent light emission in lasers is reflected in a change of the photon statistics. Here Wiersig et al. demonstrate a streak camera technique with sufficient time resolution to probe the dynamical evolution of c...

    J. Wiersig, C. Gies, F. Jahnke, M. Aßmann, T. Berstermann, M. Bayer, C. Kistner… in Nature (2009)

  17. No Access

    Chapter

    Cavity QED in Quantum Dot - Micropillar Cavity Systems

    In this contribution we review our recent work on cavity quantum electrodynamics experiments (cQED) with single quantum dots in high quality micropillar cavities. After a short introduction to the theoretical ...

    S. Reitzenstein, A. Forchel in Single Semiconductor Quantum Dots (2009)

  18. No Access

    Chapter

    Emission Characteristics, Photon Statistics and Coherence Properties of high-β Semiconductor Micropillar Lasers

    We report on complementary experiment-theory investigations regarding the photon emission statistics and coherence properties of quantum dot-based semiconductor micropillar lasers with high β factors, i.e., a ...

    S. M. Ulrich, S. Ates, P. Michler, C. Gies, J. Wiersig… in Advances in Solid State Physics (2008)

  19. No Access

    Article

    Interference effects in the emission spectra of quantum dots in high-quality cavities

    We have investigated theoretically and experimentally the emission of (quantum dot-cavity) systems for different coupling strength and a wide range of exciton-photon mode detunings controlled by temperature va...

    L. V. Keldysh, V. D. Kulakovskii, S. Reitzenstein, M. N. Makhonin… in JETP Letters (2007)

  20. No Access

    Article

    Strong coupling in a single quantum dot–semiconductor microcavity system

    Cavity quantum electrodynamics, a central research field in optics and solid-state physics1,2,3, addresses properties of atom-like emitters in cavities and can be divided into a weak and a strong coupling regime....

    J. P. Reithmaier, G. Sęk, A. Löffler, C. Hofmann, S. Kuhn, S. Reitzenstein… in Nature (2004)