Forschung

aktuelle Forschung des IHFG

Lehrstuhl Halbleiteroptik und Funktionelle Grenzflächen

Der Lehrstuhl für Halbleiteroptik und Funktionelle Grenzflächen beschäftigt sich mit den folgenden Forschungsthemen:

  • Quantenoptische Eigenschaften von Halbleiter-Nanostrukturen (Quantenpunkte, Quantenpunktmoleküle)
  • Entwicklung von Einzelphotonenquellen und Quellen für verschränkten Photonen auf Halbleiterbasis
  • Mikrolaser: Kohärenzeigenschaften und Photonenstatistik
  • Resonator-Quantenelektrodynamik in Halbleitern
  • III-V Halbleiter-Epitaxie mittels MOVPE (Arsenide, Phosphide, Nitride)
  • Vertikal emittierender Laser (VCSEL) im roten Spektralbereich
  • Optisch gepumpte Halbleiterscheibenlaser (OP-SDL, VECSEL) im roten Spektralbereich
     

Publikationen

High-fidelity distribution of triggered polarization-entangled telecom photons via a 36 km intra-city fiber network

  • News
  • 11.09.24

Foto: ihfg

Coherently and Incoherently Pumped Telecom C-Band Single-Photon Source with High Brightness and Indistinguishability

  • News
  • 01.08.24

Foto: ihfg
Surface relief VCSELs at 670 nm with integrated polymer microlens for highly collimated fundamental-mode emission

Surface relief VCSELs at 670 nm with integrated polymer microlens for highly collimated fundamental-mode emission

  • News
  • 03.07.24

Foto: IHFG
Growth of telecom C-band In(Ga)As quantum dots for silicon quantum photonics

Growth of telecom C-band In(Ga)As quantum dots for silicon quantum photonics

  • News
  • 23.02.24

Foto: IHFG
Highly Indistinguishable Single Photons from Droplet-Etched GaAs Quantum Dots Integrated in Single-Mode Waveguides and Beamsplitters

Highly Indistinguishable Single Photons from Droplet-Etched GaAs Quantum Dots Integrated in Single-Mode Waveguides and Beamsplitters

  • News
  • 14.02.24

Foto: IHFG

Robust excitation of C-band quantum dots for quantum communication

  • News
  • 27.10.23
Bright Source of Purcell-Enhanced, Triggered, Single Photons in the Telecom C-Band

Bright Source of Purcell-Enhanced, Triggered, Single Photons in the Telecom

  • News
  • 11.09.23

Foto: IHFG

A Unipolar Quantum Dot Diode Structure for Advanced Quantum Light Sources

  • News
  • 22.08.23

Foto: ihfg

Membrane saturable absorber mirror (MESAM) in a red-emitting VECSEL for the generation of stable ultrashort pulses

  • News
  • 15.02.23

Foto: ihfg

Purcell enhanced single-photon emission from a quantum dot coupled to a truncated Gaussian microcavity (featured)

  • News
  • 25.01.23

Foto: ihfg

MOVPE grown InGaAs quantum dots with emission near 1.3 m for electrically driven single-photon sources

  • News
  • 12.01.23

Foto: ihfg

Achieving stable fiber coupling of quantum dot telecom C-band single-photons to an SOI photonic device

  • News
  • 07.12.21

Foto: ihfg

Vertical External Cavity Surface Emitting Lasers

  • News
  • 27.10.21

Foto: ihfg

Bright Purcell Enhanced Single-Photon Source in the Telecom O-Band Based on a Quantum Dot in a Circular Bragg Grating

  • News
  • 10.09.21

Foto: ihfg

Resonance fluorescence of single In(Ga)As quantum dots emitting in the telecom C-band

  • News
  • 12.07.21

Foto: ihfg

Quantum dot-based broadband optical antenna for efficient extraction of single photons in the telecom O-band

  • News
  • 22.06.20

Coherence and indistinguishability of highly pure single photons from non-resonantly and resonantly excited telecom C-band quantum dots

  • News
  • 09.07.19

Deterministic fabrication of circular Bragg gratings coupled to single quantum emitters via the combination of in-situ optical lithography and electron-beam lithography

  • News
  • 08.02.19
Fully On-Chip Single-Photon Hanbury-Brown and Twiss Experiment on a Monolithic Semiconductor–Superconductor Platform

Fully On-Chip Single-Photon Hanbury-Brown and Twiss Experiment on a Monolithic Semiconductor–Superconductor Platform

  • News
  • 18.11.18

Foto: IHFG

Two-photon interference in the telecom C-band after frequency conversion of photons from remote quantum emitters

  • News
  • 16.11.18

Bragg grating cavities embedded into nano-photonic waveguides for Purcell enhanced quantum dot emission

  • News
  • 08.11.18

Pure single-photon emission from In(Ga)As QDs in a tunable fiber-based external mirror microcavity

  • News
  • 11.06.18

Overcoming correlation fluctuations in two-photon interference experiments with differently bright and independently blinking remote quantum emitter

  • News
  • 15.05.18

Two-photon interference in an atom–quantum dot hybrid system

  • News
  • 28.03.18

Deterministic integration and optical characterization of telecom O-band quantum dots embedded into wet-chemically etched Gaussian-shaped microlenses

  • News
  • 23.03.18

Chem/bio sensing with non-classical light and integrated photonics

  • News
  • 06.12.17

Self-mode-locked AlGaInP-VECSEL

  • News
  • 03.11.17

Polarization-entangled photons from an InGaAs-based quantum dot emitting in the telecom C-band

  • News
  • 26.09.17

Quantum-Dot Single-Photon Sources for Entanglement Enhanced Interferometry

  • News
  • 22.06.17

Quantum Dots for Quantum Information Technologies

  • News
  • 21.06.17

Semiconductor membrane external-cavity surface-emitting laser (MECSEL)

  • News
  • 21.12.16

Simultaneous Faraday filtering of the Mollow triplet sidebands with the Cs-D1 clock transition

  • News
  • 30.11.16
Low-noise quantum frequency down-conversion of indistinguishable photons

Low-noise quantum frequency down-conversion of indistinguishable photons

  • News
  • 18.11.16

Foto: IHFG
Neutral and charged biexciton-exciton cascade in near-telecom-wavelength quantum dots

Neutral and charged biexciton-exciton cascade in near-telecom-wavelength quantum dots

  • News
  • 08.07.16

Foto: IHFG
Cavity-enhanced simultaneous dressing of quantum dot exciton and biexciton states

Cavity-enhanced simultaneous dressing of quantum dot exciton and biexciton states

  • News
  • 14.03.16

Foto: IHFG
Generation, guiding and splitting of triggered single photons from a resonantly excited quantum dot in a photonic circuit

Generation, guiding and splitting of triggered single photons from a resonantly excited quantum dot in a photonic circuit

  • News
  • 10.03.16

Foto: IHFG
Sichere Kommunikation per Quantenrepeater

Sichere Kommunikation per Quantenrepeater

  • News
  • 10.02.16

Foto: IHFG
Photonische Schaltkreise mit Einzelphotonenquellen

Photonische Schaltkreise mit Einzelphotonenquellen

  • News
  • 10.11.15

Foto: IHFG
Intra-cavity frequency-doubled mode-locked semiconductor disk laser at 325 nm

Intra-cavity frequency-doubled mode-locked semiconductor disk laser at 325 nm

  • News
  • 10.10.15

Foto: IHFG
Intra-cavity frequency-doubled mode-locked semiconductor disk laser at 325 nm

On-chip beamsplitter operation on single photons from quasi-resonantly excited quantum dots embedded in GaAs rib waveguides

  • News
  • 13.07.15

Foto: IHFG
Fabrication and optical characterization of large scale membrane containing InP/ AlGaInP quantum dots

Fabrication and optical characterization of large scale membrane containing InP/ AlGaInP quantum dots

  • News
  • 21.05.15

Foto: IHFG
Sichere Kommunikation per Quantenrepeater

Phonon-assisted robust and deterministic two-photon biexciton preparation in a quantum dot

  • News
  • 09.04.15

Foto: IHFG
Metal-organic vapor-phase epitaxy-grown ultra-low density InGaAs/GaAs quantum dots exhibiting cascaded single-photon emission at 1.3 µm

Metal-organic vapor-phase epitaxy-grown ultra-low density InGaAs/GaAs quantum dots exhibiting cascaded single-photon emission at 1.3 µm

  • News
  • 30.03.15

Foto: IHFG
Monolithic on-chip integration of semiconductor waveguides, beamsplitters and single-photon sources

Monolithic on-chip integration of semiconductor waveguides, beamsplitters and single-photon sources

  • News
  • 21.02.15

Foto: IHFG
Spectroscopy of the D1 transition of cesium by dressed-state resonance fluorescence from a single (In,Ga)As/GaAs quantum dot

Spectroscopy of the D1 transition of cesium by dressed-state resonance fluorescence from a single (In,Ga)As/GaAs quantum dot

  • News
  • 18.09.14

Foto: IHFG
On-demand generation of indistinguishable polarization-entangled photon pairs

On-demand generation of indistinguishable polarization-entangled photon pairs

  • News
  • 18.08.14

Foto: IHFG
Mode-locked red-emitting semiconductor disk laser with sub-250 fs pulses

Mode-locked red-emitting semiconductor disk laser with sub-250 fs pulses

  • News
  • 21.10.13

Foto: IHFG
Postselected indistinguishable single-photon emission from the Mollow triplet sidebands of a resonantly excited quantum dot

Postselected indistinguishable single-photon emission from the Mollow triplet sidebands of a resonantly excited quantum dot

  • News
  • 18.06.13

Foto: IHFG
Mollow quintuplets from coherently excited quantum dots

Mollow quintuplets from coherently excited quantum dots

  • News
  • 18.05.13

Foto: IHFG
Site-controlled growth of InP/GaInP islands on periodic hole patterns in GaAs substrates produced by microsphere photolithography

Site-controlled growth of InP/GaInP islands on periodic hole patterns in GaAs substrates produced by microsphere photolithography

  • News
  • 01.05.13

Foto: IHFG
High-power InP quantum dot based semiconductor disk laser exceeding 1.3 W

High-power InP quantum dot based semiconductor disk laser exceeding 1.3 W

  • News
  • 21.03.13

Foto: IHFG
Detuning-dependent Mollow triplet of a coherently-driven single quantum dot

Detuning-dependent Mollow triplet of a coherently-driven single quantum dot

  • News
  • 18.03.13

Foto: IHFG
Influence of the oxide aperture radius on the mode spectra of (Al,Ga)As vertical microcavities with electrically excited InP quantum dots

Influence of the oxide aperture radius on the mode spectra of (Al,Ga)As vertical microcavities with electrically excited InP quantum dots

  • News
  • 21.01.13

Foto: IHFG
Strain compensation techniques for red AlGaInP-VECSELs: Performance comparison of epitaxial designs

Strain compensation techniques for red AlGaInP-VECSELs: Performance comparison of epitaxial designs

  • News
  • 20.01.13

Foto: IHFG
Strong mode coupling in InP quantum dot-based GaInP microdisk cavity dimers

Strong mode coupling in InP quantum dot-based GaInP microdisk cavity dimers

  • News
  • 18.01.13

Foto: IHFG
Electrically driven quantum dot single-photon source at 2 GHz excitation repetition rate with ultra-low emission time jitterElectrically driven quantum dot single-photon source at 2 GHz excitation repetition rate with ultra-low emission time jitter

Electrically driven quantum dot single-photon source at 2 GHz excitation repetition rate with ultra-low emission time jitter

  • News
  • 17.01.13

Foto: IHFG
Phonon-assisted incoherent excitation of a quantum dot and its emission properties

Phonon-assisted incoherent excitation of a quantum dot and its emission properties

  • News
  • 26.12.12

Foto: IHFG
Triggered Indistinguishable Single Photons with Narrow Line Widths from Site-Controlled Quantum Dots

Triggered Indistinguishable Single Photons with Narrow Line Widths from Site-Controlled Quantum Dots

  • News
  • 30.11.12

Foto: IHFG
Visible-to-Telecom Quantum Frequency Conversion of Light from a Single Quantum Emitter

Visible-to-Telecom Quantum Frequency Conversion of Light from a Single Quantum Emitter

  • News
  • 04.10.12

Foto: IHFG
Strong antibunching from electrically driven devices with long pulses: A regime for quantum-dot single-photon generation

Strong antibunching from electrically driven devices with long pulses: A regime for quantum-dot single-photon generation

  • News
  • 19.09.12

Foto: IHFG
Quantum key distribution using quantum dot single-photon emitting diodes in the red and near infrared spectral range

Quantum key distribution using quantum dot single-photon emitting diodes in the red and near infrared spectral range

  • News
  • 19.08.12

Foto: IHFG
Single-photon emission from electrically driven InP quantum dots epitaxially grown on CMOS-compatible Si(001)

Single-photon emission from electrically driven InP quantum dots epitaxially grown on CMOS-compatible Si(001)

  • News
  • 01.08.12

Foto: IHFG
Epitaxially Grown Indium Phosphide Quantum Dots on a Virtual Ge Substrate Realized on Si(001)

Epitaxially Grown Indium Phosphide Quantum Dots on a Virtual Ge Substrate Realized on Si(001)

  • News
  • 01.06.12

Foto: IHFG
Cascaded Single-Photon Emission from the Mollow Triplet Sidebands of a Quantum Dot

Cascaded Single-Photon Emission from the Mollow Triplet Sidebands of a Quantum Dot

  • News
  • 19.05.12

Foto: IHFG
Wavelength tunable ultraviolet laser emission via intra-cavity frequency doubling of an AlGaInP vertical external-cavity surface-emitting laser down to 328 nm

Wavelength tunable ultraviolet laser emission via intra-cavity frequency doubling of an AlGaInP vertical external-cavity surface-emitting laser down to 328 nm

  • News
  • 01.12.11

Foto: IHFG

Halbleiteroptik

Informationen zur Arbeitsgruppe Halbleiteroptik

Epitaxie

Informationen zur Arbeitsgruppe Halbleiterepitaxie

Publikationen

Publikationen des IHFG
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