293 citations · 1.7k across the 42 of their papers we have counts for
42 papers
Quantum Key Distribution with Entanglement-Swapped Photons from a Quantum Emitter
Michele B. Rota, Francesco Basso Basset, Alessandro Laneve +16
Quantum key distribution (QKD) is a fundamental functionality of quantum networks. Extending its range requires quantum repeaters, a technology still under development and not yet…
Beyond Antibunching: Photon Correlation Analysis Reveals Blinking Origin
Patricia Kallert, Santiago Bermúdez-Feijóo, Giorgio De Pascalis +18
A variety of quantum emitters compete in the quest for the best single-photon source for photonic quantum technologies. Consequently, only a consistent approach to analyze the seco…
Planar metal-semiconductor Yagi-Uda type antennas for tunable narrow-linewidth quantum dot emitters
Ievgen Brytavskyi, Andreas Kitzmüller, Santanu Manna +12
Tunable photonic architectures that improve the extraction efficiency of light from embedded epitaxial quantum dots across a wide spectral range are key enablers for developing bri…
Towards Stirling cooler operable single-photon sources based on low-noise GaAs quantum dots
Maximilian Aigner, Jana Schlücking, Eva Schöll +15
For photonic quantum technology applications, sources capable of emitting photons with indistinguishability close to unity are essential. Ideally, these sources should not require…
Picosecond-resolved entanglement distribution over an urban free-space channel
Alessandro Laneve, Fabrizio Cienzo, Santiago Gomez +18
Time-evolving entangled states describe quantum particles whose correlations evolve in time according to a well-defined dynamics. Such states can be generated in a variety of physi…
Low-density InGaAs/AlGaAs Quantum Dots in Droplet-Etched Nanoholes
Saimon F. Covre Da Silva, Ailton J. Garcia, Maximilian Aigner +10
Over the past two decades, epitaxial semiconductor quantum dots (QDs) have demonstrated very promising properties as sources of single photons and entangled photons on-demand. Amon…
Few-electron spin qubits in optically active GaAs quantum dots
Peter Millington-Hotze, Petr Klenovsky, Harry E. Dyte +5
The knowledge of the energy spectrum completely defines the dynamics of a quantum system for a given initial state. This makes spectroscopy a key characterization technique when st…
Electric-field control of photon indistinguishability in cascaded decays in quantum dots
Gabriel Undeutsch, Maximilian Aigner, Ailton J. Garcia +8
Photon indistinguishability, entanglement, and antibunching are key ingredients in quantum optics and photonics. Decay cascades in quantum emitters offer a simple method to create…
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…
Storing quantum coherence in a quantum dot nuclear spin ensemble for over 100 milliseconds
Harry E. Dyte, Santanu Manna, Saimon F. Covre da Silva +2
States with long coherence are a crucial requirement for qubits and quantum memories. Nuclear spins in epitaxial quantum dots are a great candidate, offering excellent isolation fr…
Experimental measurement of the reappearance of Rabi rotations in semiconductor quantum dots
L. Hanschke, T. K. Bracht, E. Schöll +11
Phonons in solid-state quantum emitters play a crucial role in their performance as photon sources in quantum technology. For resonant driving, phonons dampen the Rabi oscillations…
Robust Single-Photon Generation for Quantum Information Enabled by Stimulated Adiabatic Rapid Passage
Yusuf Karli, René Schwarz, Florian Kappe +11
The generation of single photons using solid-state quantum emitters is pivotal for advancing photonic quantum technologies, particularly in quantum communication. As the field cont…
Towards Photon-Number-Encoded High-dimensional Entanglement from a Sequentially Excited Quantum Three-Level System
Daniel A. Vajner, Nils D. Kewitz, Martin von Helversen +9
The sequential resonant excitation of a 2-level quantum system results in the emission of a state of light showing time-entanglement encoded in the photon-number-basis - notions th…
Tuning the coherent interaction of an electron qubit and a nuclear magnon
Noah Shofer, Leon Zaporski, Martin Hayhurst Appel +9
A central spin qubit interacting coherently with an ensemble of proximal spins can be used to engineer entangled collective states or a multi-qubit register. Making full use of thi…
Intermediate Field Coupling of Single Epitaxial Quantum Dots to Plasmonic Waveguides
Michael Seidel, Yuhui Yang, Thorsten Schumacher +6
Key requirements for quantum plasmonic nanocircuits are reliable single-photon sources, high coupling efficiency to the plasmonic structures and low propagation losses. Self-assemb…
Highly indistinguishable single photons from droplet-etched GaAs quantum dots integrated in single-mode waveguides and beamsplitters
Florian Hornung, Ulrich Pfister, Stephanie Bauer +9
The integration of on-demand quantum emitters into photonic integrated circuits (PICs) has drawn much of attention in recent years, as it promises a scalable implementation of quan…
Post-fabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling
Tobias M. Krieger, Christian Weidinger, Thomas Oberleitner +12
Solid-state quantum emitters embedded in circular Bragg resonators are attractive due to their ability to emit quantum states of light with high brightness and low multi-photon pro…
Polarized and Un-Polarized Emission from a Single Emitter in a Bullseye Resonator
Giora Peniakov, Quirin Buchinger, Mohamed Helal +12
We present polarized |S|=0.990.01, and unpolarized |S|=0.030.01 emission from a single emitter embedded in a single, cylindrically symmetric device design. We show that t…
Quantum non-demolition measurement of an electron spin qubit through its low-energy many-body spin environment
Harry E. Dyte, George Gillard, Santanu Manna +3
The measurement problem dates back to the dawn of quantum mechanics. Here, we measure a quantum dot electron spin qubit through off-resonant coupling with thousands of redundant nu…
Controlling the Photon Number Coherence of Solid-state Quantum Light Sources for Quantum Cryptography
Yusuf Karli, Daniel A. Vajner, Florian Kappe +14
Quantum communication networks rely on quantum cryptographic protocols including quantum key distribution (QKD) using single photons. A critical element regarding the security of Q…
Coherent Quantum Interconnection between On-Demand Quantum Dot Single Photons and a Resonant Atomic Quantum Memory
Guo-Dong Cui, Lucas Schweickert, Klaus D. Jöns +11
Long-range quantum communication requires the development of in-out light-matter interfaces to achieve a quantum advantage in entanglement distribution. Ideally, these quantum inte…
Beyond the four-level model: Dark and hot states in quantum dots degrade photonic entanglement
Barbara Ursula Lehner, Tim Seidelmann, Gabriel Undeutsch +9
Entangled photon pairs are essential for a multitude of photonic quantum applications. To date, the best performing solid-state quantum emitters of entangled photons are semiconduc…
A source of entangled photons based on a cavity-enhanced and strain-tuned GaAs quantum dot
Michele B. Rota, Tobias M. Krieger, Quirin Buchinger +21
A quantum-light source that delivers photons with a high brightness and a high degree of entanglement is fundamental for the development of efficient entanglement-based quantum-key…
Signatures of the Optical Stark Effect on Entangled Photon Pairs from Resonantly-Pumped Quantum Dots
Francesco Basso Basset, Michele B. Rota, Mattia Beccaceci +12
Two-photon resonant excitation of the biexciton-exciton cascade in a quantum dot generates highly polarization-entangled photon pairs in a near-deterministic way. However, the ulti…