News
01.02.2026
The paper "Temperature-Dependent Emission Spectroscopy of Quantum Emitters in Hexagonal Boron Nitride" has been published in ACS Photonics.
08.01.2026 - Paper published
The paper "Zeeman spectroscopy of vacancy-charge-compensated Er3+ sites in CaWO4 under vector magnetic fields" has been published in Physical Review Materials.
06.01.2026 - Paper published
The paper "Quantum dots on GaAs substrates as integration-ready high-performance single-photon sources at telecommunication wavelengths" has been published in Physical Review Applied.
01.01.2026 - Project started (QPIS.2)
The collaborative project "Quantum Photonic-Integrated Scalable Memory 2 (QPIS.2)" where the QEC group collaborates with the group of Dr. Tim Schröder at HU Berlin started.
18.12.2025 - Paper published
The paper "Dynamically dressed states of a quantum four-level system" has been published in Physical Review B.
08.12.2025 - Paper published
The paper "Resonant and antiresonant exciton-phonon coupling in quantum dot molecules" has been published in Physical Review B.
06.12.2025 - Preprint online
A preprint of the work “Mitigating the Transition of SiV− in Diamond to an Optically Dark State” is now available on arXiv.
04.12.2025 - Paper published
The paper "Unraveling quantum size-dependent optical phenomena in hot carrier quantum well structures" has been published in Journal of Applied Physics.
01.12.2026 - Project started (FgED)
The project “Fiberresonator-based single-photon detectors” has started.
27.11.2025 - Paper published
The paper "Coexistence of weak and strong coupling in a photonic molecule through dissipative coupling to a quantum dot" has been published in Nanophotonics.
14.11.2025 - PhD defense (Dr. Bianca Scaparra)
Our PhD student Bianca Scaparra had her PhD defense today - many congratulations Dr. Scaparra!
31.10.2025 - Preprint online
A preprint of the work “Inverse-Designed Grating Couplers with Tunable Wavelength via Scaling and Biasing” is now available on arXiv.
29.10.2025 - Preprint online
A preprint of the work “Second-order Stark shifts exceeding 10GHz in electrically contacted SiV− centers in diamond” is now available on arXiv.
29.10.2025 - Paper published
The paper "Unlocking multiphoton emission from a single-photon source through mean-field engineering" has been published in Science Advances.
29.09.2025 - Paper published
The paper "Spectral correlations of dynamical resonance fluorescence" has been published in Physical Review Research.
26.09.2025 - Preprint online
A preprint of the work “Bridging Quantum Noise and Classical Electrodynamics with Stochastic Methods” is now available on arXiv.
02.09.2025 - Paper published
The paper "Toward Single-Photon Detection with Superconducting Niobium Diselenide Nanowires" has been published in ACS Photonics.
26.08.2025 - Preprint online
A preprint of the work “Single-Photon Detection in Few-Layer NbSe2 Superconducting Nanowires” is now available on arXiv.
21.08.2025 - Preprint online
A preprint of the work “Deterministic Control of Photon-Number Probabilities via Phase-Controlled Quantum Interference” is now available on arXiv.
08.08.2025 - Paper published
The paper "Magnetic tuning of the tunnel coupling in an optically active quantum dot molecule" has been published in Physical Review B.
25.07.2025 - Paper published
The paper "Spectroscopic investigations of multiple environments in Er:CaWO4 through charge imbalance" has been published in Physical Review Materials.
27.06.2025 - Preprint online
A preprint of the work “Selective filtering of multi-photon events from a single-photon emitter” is now available on arXiv.
04.06.20225 - Paper published
The paper "Origin of performance enhancement of superconducting nanowire single-photon detectors by He-ion irradiation" has been published in APL Quantum.
28.03.2025 - Paper published
The paper "Current crowding–free superconducting nanowire single-photon detectors" has been published in Science Advances.
28.02.2025 - PhD defense (Dr. Rasmus Flaschmann)
Our PhD student Rasmus Flaschmann had his PhD defense today - many congratulations Dr. Flaschmann!
24.01.2025 - Preprint online
A preprint of the work “Origin of performance enhancement of superconducting nanowire single-photon detectors by He-ion irradiation” is now available on arXiv.
21.01.2025 - Paper published
The paper "Breakdown of the Static Dielectric Screening Approximation of Coulomb Interactions in Atomically Thin Semiconductors" has been published in ACS Nano.
19.01.2025 - Paper published
The paper "Optimizing the growth conditions of superconducting MoSi thin films for single photon detection" has been published in Scientific Reports.
17.01.2025 - PhD defense (Dr. Katarina Boos)
Our PhD student Katarina Boos had her PhD defense today - many congratulations Dr. Boos!
05.12.2024 - Preprint online
A preprint of the work “Spectroscopic Investigations of Multiple Environments in Er:CaWO4 through Charge Imbalance” is now available on arXiv.
20.11.2024 - Paper published
The paper "Broad Range Tuning of InAs Quantum Dot Emission for Nanophotonic Devices in the Telecommunication Bands" has been published in ACS Applied Nano Materials.
15.11.2024 - Preprint online
A preprint of the work “Unlocking multiphoton emission from a single-photon source through mean-field engineering” is now available on arXiv.
19.07.2024 - Preprint online
A preprint of the work “Current-Crowding-Free Superconducting Nanowire Single-Photon Detectors” is now available on arXiv.
23.05.2024 - Paper published
The paper "Unveiling the interplay of Mollow physics and perturbed free induction decay by nonlinear optical signals of a dynamically driven two-level system" has been published in Physical Review Research.
21.02.2024 - Paper published
The paper "Fast optoelectronic charge state conversion of silicon vacancies in diamond" has been published in Science Advances.
30.01.2024 - Paper published
The paper "Signatures of Dynamically Dressed States" has been published in Physical Review Letters.
28.01.2024 - Paper published
The paper "Coherent Swing-Up Excitation for Semiconductor Quantum Dots" has been published in Advanced Quantum Technologies.
22.01.2024 - Paper published
The paper "Transfer Matrix Model for Emission Profile Optimization of Radial Gratings" has been published in Advanced Quantum Technologies.
04.12.2023 - Paper published
The paper "Tailoring Superconducting Nanowire Single-Photon Detectors for Quantum Technologies" has been published in IEEE Globecom Workshops 2023.
11.10.2023 - Paper published
The paper "Site‐Selective Enhancement of Superconducting Nanowire Single‐Photon Detectors via Local Helium Ion Irradiation" has been published in Advanced Quantum Technologies.
04.10.2023 - Paper published
The paper "Nonlinear Dispersion Relation and Out-of-Plane Second Harmonic Generation in MoSSe and WSSe Janus Monolayers " has been published in Advanced Optical Materials.
01.09.2023 - Project started (SAEQS)
The project “Scalable Readout Electronics for Quantum Sensors (SAEQS)” has started.
14.07.2023 - Paper published
The paper "Structural properties of graded InxGaAs metamorphic buffer layers for quantum dots emitting in the telecom bands" has been published in Materials for Quantum Technology.
14.07.2023 - Paper published
The paper "Optimizing the growth conditions of Al mirrors for superconducting nanowire single-photon detectors" has been published in Materials for Quantum Technology.
08.06.2023 - Paper published
The paper "Heterogeneous integration of superconducting thin films and epitaxial semiconductor heterostructures with lithium niobate" has been published in Journal of Physics D.
27.04.2023 - Paper published
The paper "Coherent driving of direct and indirect excitons in a quantum dot molecule" has been published in Physical Review B.
22.03.2023 - Paper published
The paper "Triangular quantum photonic devices with integrated detectors in silicon carbide" has been published in Materials for Quantum Technology. This work is a collaboration with the group of Prof. Dr. Marina Radulaski at UC Davis.
23.02.2023 - Paper published
Our paper "Three-Photon Excitation of InGaN Quantum Dots" has been published in Physical Review Letters. Exciting collaboration with the groups of Prof. Dr. Jonathan Finley (TU Munich), Prof. Dr. Rachel A Oliver (University of Cambridge) and Prof. Dr. Robert A Taylor (University of Oxford)
11.01.2023 - Paper published
The paper "Twist-Dependent Intra- and Interlayer Excitons in Moiré MoSe2Homobilayers" has been published in Physical Review Letters.
01.01.2023 - Project started (NEQUS)
The project “Networked Quantum Systems (NeQuS)” has started.
16.12.2022 - Paper published
Our paper "The dependence of timing jitter of superconducting nanowire single-photon detectors on the multi-layer sample design and slew rate" has been published in Nanoscale
Link to the paper
16.11.2022 - Paper published
The paper "On-chip generation and dynamic piezo-optomechanical rotation of single photons" has been published in Nature Communications. Other nice result from a long-standing collaboration with the group of Prof. Dr. Huber Krenner at the University of Münster.
02.11.2022 - Paper published
The paper "Two-Photon Interference of Single Photons from Dissimilar Sources" has been published in Physical Review Applied.
25.08.2022 - Paper published
The paper "Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling" has been published in Advanced Quantum Technologies.
27.04.2022 - Kai Müller promoted to tenured Associate Professor
After three years as a tenure-track Assistant Professor (W2), the head of our group (Kai Müller) has obtained ealry tenure and was promoted to tenured Associate Professor (W3). Exciting times ahead!
28.3.2022 - Paper published
The paper "Wafer-scale epitaxial modulation of quantum dot density" has been published in Nature Communications.
4.3.2022 - Paper published
Our paper "Stimulated Generation of Indistinguishable Single Photons from a Quantum Ladder System" has been pubished in Physical Review Letters. Together with the group of Prof. Dr. Klaus Jöns at the University of Paderborn and the group of Prof. Dr. Elena del Valle at the Universidata Autonoma de Madrid we conceived and demonstrated a novel scheme for the generation of single photons with ultra-low multi-photon error rate, very high indistinguishability and programmable polarization.
7.2.2022 - Paper published
The paper "Electrical control of orbital and vibrational interlayer coupling in bi- and trilayer 2H−MoS2" has been published in Physical Review Materials.
1.2.2022 - Project started (6GQT)
The collaborative project "6G and Quantum Technologies (6GQT)" where the QEC group cooperates with groups from TUM and LMU started.
3.1.2022 - Paper published
Our paper "Tuning the Optical Properties of a MoSe2 Monolayer Using Nanoscale Plasmonic Antennas" has been published in Nano Letters.
14.12.2021 - Success at DFG major instrumentation initiative
A consortium coordinated by Prof. Dr. Kai Müller has been successfull with their proposal "Munich Quantum Communication Laboratory" at the DFG major instrumentation initiative "Quantum Communication Developent Environment".
01.11.2021 - Project started (QPIS)
The collaborative project "Quantum Photonic-Integrated Scalable Memory (QPIS)" where the QEC group collaborates with the group of Dr. Tim Schröder at HU Berlin started.
1.10.2021 - Project started (EQAP)
The project "Enabling Quantum Communication and Imaging Applications", jointly coordinated by Prof. Dr. Kai Müller from the QEC group at TUM and Prof. Dr. Harald Weinfurter from LMU has started.
1.9.2021 - Project started (SEQT)
Our project "Scalable Single-Photon Detectors for Quantum Technologies" started.
1.9.2021 - Project started (QPIC-1)
The project "Quantum Photonic-Integrated Computer (QPIC-1)", coordinated by Prof. Dr. Kai Müller from the QEC group at TUM has started. In this project, a consortium of 7 academic institutions and 1 industry partner are developing a novel platform for photonic One-Way quantum computation.
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