6 papers
A diode nanocavity for fast, efficient and tunable emission of highly entangled photon pairs and Fourier-transform-limited single photons
Ievgen Brytavskyi, Thomas Oberleitner, Christian Weidinger +16
The paper presents a tunable p‑i‑n diode nanocavity that embeds a semiconductor quantum dot, achieving high extraction efficiency, strong Purcell enhancement, and low charge noise…
Coherent Control of Quantum-Dot Spins with Cyclic Optical Transitions
Zhe Xian Koong, Urs Haeusler, Jan M. Kaspari +14
Solid-state spins are promising as interfaces from stationary qubits to single photons for quantum communication technologies. Semiconductor quantum dots have excellent optical coh…
A complete fs-laser-ablation route to miniaturized single-crystal PMN-PT piezoelectric actuators
Menotti Markovic, Lucia Oberndorfer, Tobias M. Krieger +15
This article presents a novel fabrication route for miniaturized piezoelectric actuators that relies exclusively on processes based on femtosecond (fs) laser ablation. Previous wor…
Optical and magnetic response by design in GaAs quantum dots
Christian Schimpf, Ailton J. Garcia, Zhe X. Koong +24
Quantum networking technologies use spin qubits and their interface to single photons as core components of a network node. This necessitates the ability to co-design the magnetic-…
Passive Demultiplexed Two-photon State Generation from a Quantum Dot
Yusuf Karli, Iker Avila Arenas, Christian Schimpf +11
High-purity multi-photon states are essential for photonic quantum computing. Among existing platforms, semiconductor quantum dots offer a promising route to scalable and determini…
Reversible Control of In-plane Elastic Stress Tensor in Nanomembranes
Javier MartÃn-Sánchez, Rinaldo Trotta, Giovanni Piredda +10
Strain engineering allows the physical properties of materials and devices to be widely tailored, as paradigmatically demonstrated by strained transistors and semiconductor lasers…