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View article: Quantum teleportation with dissimilar quantum dots over a hybrid quantum network
Quantum teleportation with dissimilar quantum dots over a hybrid quantum network Open
View article: High-efficiency free-space optical communication link with refractive adaptive optics
High-efficiency free-space optical communication link with refractive adaptive optics Open
View article: Strain-induced exciton redistribution among quantum emitters in two-dimensional materials
Strain-induced exciton redistribution among quantum emitters in two-dimensional materials Open
The data that support the findings of this study are available from the corresponding author upon reasonable request.
View article: Entanglement and purity can help to detect systematic experimental errors
Entanglement and purity can help to detect systematic experimental errors Open
Measurements are central in all quantitative sciences and a fundamental challenge is to make observations without systematic measurement errors. This holds in particular for quantum information processing, where other error sources like no…
View article: Quantum teleportation with dissimilar quantum dots over a hybrid quantum network
Quantum teleportation with dissimilar quantum dots over a hybrid quantum network Open
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 a global quantum internet [5, 6]. This paradigm shift requ…
View article: Wavevector-resolved polarization entanglement from radiative cascades
Wavevector-resolved polarization entanglement from radiative cascades Open
The generation of entangled photons from radiative cascades has enabled milestone experiments in quantum information science with several applications in photonic quantum technologies. Significant efforts are being devoted to pushing the p…
View article: Postfabrication Tuning of Circular Bragg Resonators for Enhanced Emitter-Cavity Coupling
Postfabrication Tuning of Circular Bragg Resonators for Enhanced Emitter-Cavity Coupling Open
Solid-state quantum emitters embedded in circular Bragg resonators are attractive due to their ability to emit quantum light with high brightness and low multiphoton probability. As for any emitter-microcavity system, fabrication imperfect…
View article: Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling
Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling Open
Dataset for "Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling" ACS Photonics 2024, 11, 2, 596-603https://doi.org/10.1021/…
View article: Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling
Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling Open
Dataset for "Postfabrication tuning of circular Bragg resonators for enhanced emitter-cavity coupling" ACS Photonics 2024, 11, 2, 596-603https://doi.org/10.1021/acsphotonics.3c01480Accepted: December 29, 2023Published: January 19, 2024 A d…
View article: Polarized and Un-Polarized Emission from a Single Emitter in a Bullseye Resonator
Polarized and Un-Polarized Emission from a Single Emitter in a Bullseye Resonator Open
We present polarized |S|=0.99$\pm$0.01, and unpolarized |S|=0.03$\pm$0.01 emission from a single emitter embedded in a single, cylindrically symmetric device design. We show that the polarization stems from a position offset of the single …
View article: Daylight Quantum Key Distribution in a Free-Space Channel Using Entangled Photons Emitted by a Quantum Dot Device
Daylight Quantum Key Distribution in a Free-Space Channel Using Entangled Photons Emitted by a Quantum Dot Device Open
Quantum key distribution (QKD) is at the heart of future secure quantum communication networks as it can enhance security of classical communication strategies. Although prepare-and-measure protocols are the most widely used in practical a…
View article: Hyperfine-interaction limits polarization entanglement of photons from semiconductor quantum dots
Hyperfine-interaction limits polarization entanglement of photons from semiconductor quantum dots Open
Excitons in quantum dots are excellent sources of polarization-entangled photon pairs, but a quantitative understanding of their interaction with the nuclear spin bath is still missing. Here we investigate the role of hyperfine energy shif…
View article: Coherent Quantum Interconnection between On-Demand Quantum Dot Single Photons and a Resonant Atomic Quantum Memory
Coherent Quantum Interconnection between On-Demand Quantum Dot Single Photons and a Resonant Atomic Quantum Memory Open
Long-range quantum communication requires the development of in-out light-matter interfaces to achieve a quantum advantage in entanglement distribution. Ideally, these quantum interconnections should be as fast as possible to achieve high-…
View article: Strain-induced dynamic control over the population of quantum emitters in two-dimensional materials
Strain-induced dynamic control over the population of quantum emitters in two-dimensional materials Open
The discovery of quantum emitters (QEs) in two-dimensional materials (2D) has triggered a surge of research to assess their suitability for quantum photonics. While their microscopic origin is still the subject of intense studies, position…
View article: A source of entangled photons based on a cavity-enhanced and strain-tuned GaAs quantum dot
A source of entangled photons based on a cavity-enhanced and strain-tuned GaAs quantum dot Open
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 distribution systems. Among all possible candidates, epita…
View article: Signatures of the Optical Stark Effect on Entangled Photon Pairs from Resonantly-Pumped Quantum Dots
Signatures of the Optical Stark Effect on Entangled Photon Pairs from Resonantly-Pumped Quantum Dots Open
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 ultimate level of achievable entanglement is still debated. Her…
View article: Experimental Multi-state Quantum Discrimination in the Frequency Domain with Quantum Dot Light
Experimental Multi-state Quantum Discrimination in the Frequency Domain with Quantum Dot Light Open
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. Therefore, it is crucial to develop new and more efficient meth…
View article: Daylight entanglement-based quantum key distribution with a quantum dot source
Daylight entanglement-based quantum key distribution with a quantum dot source Open
Entanglement-based quantum key distribution can enable secure communication in trusted node-free networks and over long distances. Although implementations exist both in fiber and in free space, the latter approach is often considered chal…
View article: Correction to “Strain-Controlled Quantum Dot Fine Structure for Entangled Photon Generation at 1550 nm”
Correction to “Strain-Controlled Quantum Dot Fine Structure for Entangled Photon Generation at 1550 nm” Open
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Strain-Controlled Quantum Dot Fine Structure for Entangled Photon Generation at 1550 nm"Thomas Lettner*Thomas LettnerMore by …
View article: Author Correction: Quantum teleportation with imperfect quantum dots
Author Correction: Quantum teleportation with imperfect quantum dots Open
View article: A multipair-free source of entangled photons in the solid state
A multipair-free source of entangled photons in the solid state Open
Unwanted multiphoton emission commonly reduces the degree of entanglement of photons generated by non-classical light sources and, in turn, hampers their exploitation in quantum information science and technology. Quantum emitters have the…
View article: GaAs quantum dots grown by droplet etching epitaxy as quantum light sources
GaAs quantum dots grown by droplet etching epitaxy as quantum light sources Open
This Perspective presents an overview on the epitaxial growth and optical properties of GaAs quantum dots obtained with the droplet etching method as high-quality sources of quantum light. We illustrate recent achievements regarding the ge…
View article: Quantum violation of local causality in urban network with hybrid photonic technologies
Quantum violation of local causality in urban network with hybrid photonic technologies Open
Quantum networks play a crucial role for distributed quantum information processing, enabling the establishment of entanglement and quantum communication among distant nodes. Fundamentally, networks with independent sources allow for new f…
View article: Quantum dot technology for quantum repeaters: from entangled photon\n generation towards the integration with quantum memories
Quantum dot technology for quantum repeaters: from entangled photon\n generation towards the integration with quantum memories Open
The realization of a functional quantum repeater is one of the major research\ngoals in long-distance quantum communication. Among the different approaches\nthat are being followed, the one relying on quantum memories interfaced with\ndete…
View article: Quantum dot technology for quantum repeaters: from entangled photon generation towards the integration with quantum memories
Quantum dot technology for quantum repeaters: from entangled photon generation towards the integration with quantum memories Open
The realization of a functional quantum repeater is one of the major research goals in long-distance quantum communication. Among the different approaches that are being followed, the one relying on quantum memories interfaced with determi…
View article: Quantum key distribution with entangled photons generated on demand by a quantum dot
Quantum key distribution with entangled photons generated on demand by a quantum dot Open
Quantum key distribution is demonstrated over an urban open-air link using entangled light from a semiconductor nanostructure.
View article: Quantum teleportation with imperfect quantum dots
Quantum teleportation with imperfect quantum dots Open
View article: Quantum teleportation with imperfect quantum dots
Quantum teleportation with imperfect quantum dots Open
Efficient all-photonic quantum teleportation requires fast and deterministic sources of highly indistinguishable and entangled photons. Solid-state-based quantum emitters—notably semiconductor quantum dots—are a promising candidate for the…
View article: Quantum dots as potential sources of strongly entangled photons for quantum networks
Quantum dots as potential sources of strongly entangled photons for quantum networks Open
The generation and long-haul transmission of highly entangled photon pairs is a cornerstone of emerging photonic quantum technologies, with key applications such as quantum key distribution and distributed quantum computing. However, a nat…
View article: Resonance fluorescence of GaAs quantum dots with near-unity photon indistinguishability
Resonance fluorescence of GaAs quantum dots with near-unity photon indistinguishability Open
Photonic\nquantum technologies call for scalable quantum light sources\nthat can be integrated, while providing the end user with single and\nentangled photons on demand. One promising candidate is strain free\nGaAs/AlGaAs quantum dots obt…