collaborators

11 papers

cond-mat.mes-hall2026

Tunable g-Factors of Hybridized Orbitals in a Quantum Dot Molecule

Michelle Lienhart, Krzysztof Gawarecki, Pavel Daskalov +10

The ability to control the -factors of orbital spin states in optically active quantum dot molecules (QDMs) is a prerequisite for the high-fidelity generation of multi-photonic…

cond-mat.mtrl-sci2026

Anisotropic nanoscale coherent polariton transport in CrSBr

Paritosh Malik, Dogyun Ko, Vita Solovyeva +11

In a combined experimental and theoretical study, we demonstrate anisotropic polariton transport on the nanoscale in the van der Waals antiferromagnet CrSBr. While effective cavity…

cond-mat.mtrl-sci2026

Buried Stressor Engineering for Position-Controlled InGaAs Quantum Dots with Local Density Variation for Integrated Quantum Photonics

Martin Podhorský, Maximilian Klonz, Lux Böhmer +5

We report on the monolithic, two-step epitaxial growth of site-controlled InGaAs quantum dots via the buried stressor method with local quantum dot density variation. As a result o…

quant-ph2026

A Fiber-pigtailed Quantum Dot Device Generating Indistinguishable Photons at GHz Clock-rates

Lucas Rickert, Kinga Żołnacz, Daniel A. Vajner +11

Solid-state quantum light sources based on semiconductor quantum dots (QDs) are increasingly employed in photonic quantum information applications. Especially when moving towards r…

quant-ph2026

High Purcell-enhancement in quantum-dot hybrid circular Bragg grating cavities for GHz-clockrate generation of indistinguishable photons

Lucas Rickert, Daniel A. Vajner, Martin von Helversen +8

We present Purcell-enhanced () semiconductor InAs quantum dot decay times of ps, enabled by deterministic hybrid circular Bragg gratings (hCBGs). We inve…

cond-mat.mes-hall2025

Scalable Quantum Photonic Platform Based on Site-Controlled Quantum Dots Coupled to Circular Bragg Grating Resonators

Kartik Gaur, Avijit Barua, Sarthak Tripathi +12

The scalable integration of solid-state quantum emitters into photonic nanostructures remains a central challenge for quantum photonic technologies. Here, we demonstrate a robust a…