91 citations · 222 across the 19 of their papers we have counts for
20 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…
Purcell enhanced and blinking free single photons from InAs/GaAs quantum dots in deterministically placed circular Bragg gratings
Peter Gschwandtner, Quirin Buchinger, Krishna Chand Maurya +11
The development of efficient, deterministic, and tunable single-photon sources is a cornerstone for the realization of long-distance quantum communication, quantum repeaters, and p…
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
Deterministic sources of entangled photon pairs and indistinguishable photons are expected to play a key role in photonic quantum technologies. Semiconductor quantum dots are promi…
Molecular beam epitaxy of wafer-scale O-band InAs/InGaAs quantum dots on GaAs for quantum photonics
Pavel S. Avdienko, Lukas Hanschke, Quirin Buchinger +13
We report a scalable molecular beam epitaxy strategy to achieve a low density of O-band electrically tunable InAs/InGaAs quantum dots (QDs) on GaAs(001) substrates. Our approach is…
Cascaded Metasurface Interferometer for Multipath Interference with Classical and Quantum Light
Rebecca Aschwanden, Nicolás Claro-Rodríguez, Ruizhe Zhao +14
Beamsplitters represent fundamental components in both classical and quantum optical systems, enabling the distribution of light, as well as the generation of interference, superpo…
A Spin-Photon Interface in the Telecom C-Band with Long Hole Spin Dephasing Time
Johannes M. Michl, Reza Hekmati, Mohamed Helal +9
Matter qubits that maintain coherence over extended timescales are essential for many pursued applications in quantum communication and quantum computing. Significant progress has…
High-Performance Labyrinth Circular Bragg Grating Design for Charge and Stark-Tunable Quantum Light Sources Spanning Visible to Telecom Wavelengths
Rohit Prasad, Quirin Buchinger, Fei Chi Kristy Yuen +3
Semiconductor quantum dots embedded in circular Bragg gratings (CBGs) are among the most efficient integrated single-photon sources. However, the fully etched rings of conventional…
Enhanced spectral range of strain-induced tuning of quantum dots in circular Bragg grating cavities
Ivan Gamov, Matthias Sauter, Samuel Huber +5
Tunable sources of entangled and single photons are essential for implementing entanglement-based quantum information protocols, as quantum teleportation and entanglement swapping…
Deterministic Quantum Dot Cavity Placement Using Hyperspectral Imaging with High Spatial Accuracy and Precision
Quirin Buchinger, Constantin Krause, Aileen Zhang +6
Single emitters in solid state are great sources of single and entangled photons. To boost their extraction efficiency and tailor their emission properties, they are often incorpor…
Ability of entanglement and purity to help to detect systematic experimental errors
Julia Freund, Francesco Basso Basset, Tobias M. Krieger +12
Measurements are central in all quantitative sciences, and a fundamental challenge is to make observations without systematic measurement errors. This holds in particular for quant…
Quantum teleportation with dissimilar quantum dots over a hybrid quantum network
Alessandro Laneve, Giuseppe Ronco, Mattia Beccaceci +24
Photonic quantum information processing in metropolitan quantum networks lays the foundation for cloud quantum computing [1, 2], secure communication [3, 4], and the realization of…
Wavevector-resolved polarization entanglement from radiative cascades
Alessandro Laneve, Michele B. Rota, Francesco Basso Basset +13
The generation of entangled photons from radiative cascades has enabled milestone experiments in quantum information science with several applications in photonic quantum technolog…
Purcell-Enhanced Single-Photon Emission in the Telecom C-Band
Jochen Kaupp, Yorick Reum, Felix Kohr +7
Purcell-enhanced quantum dot single-photon emission in the telecom C-band from InAs quantum dots inside circular Bragg grating cavities is shown. The InAs quantum dots are grown by…
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…
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…
Experimental Multi-state Quantum Discrimination in the Frequency Domain with Quantum Dot Light
Alessandro Laneve, Michele B. Rota, Francesco Basso Basset +10
The quest for the realization of effective quantum state discrimination strategies is of great interest for quantum information technology, as well as for fundamental studies. Ther…
Optical properties of circular Bragg gratings with labyrinth geometry to enable electrical contacts
Quirin Buchinger, Simon Betzold, Sven Höfling +1
We present an optical study of various device designs for electrically contactable circular Bragg grating cavities in labyrinth geometries. To create an electrical connection betwe…
Purcell-enhanced single photon source based on a deterministically placed WSe monolayer quantum dot in a circular Bragg grating cavity
O. Iff, Q. Buchinger, M. Moczała-Dusanowska +6
We demonstrate a deterministic Purcell-enhanced single-photon source realized by integrating an atomically thin WSe layer with a circular Bragg grating cavity. The cavity sig…