228 citations · 1k across the 15 of their papers we have counts for
15 papers
Quantum communication networks with defects in silicon carbide
Philipp Sohr, Philipp Koller, Sebastian Ecker +23
Quantum communication promises unprecedented capabilities enabled by the transmission of quantum states of light. However, current implementations face severe distance limitations…
Overcoming Noise Limitations in QKD with Quantum Privacy Amplification
Philipp Sohr, Sebastian Ecker, Lukas Bulla +2
High-quality, distributed quantum entanglement is the distinctive resource for quantum communication and forms the foundation for the unequalled level of security that can be assur…
Photonic entanglement during a zero-g flight
Julius Bittermann, Lukas Bulla, Sebastian Ecker +6
Quantum technologies have matured to the point that we can test fundamental quantum phenomena under extreme conditions. Specifically, entanglement, a cornerstone of modern quantum…
Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere
Lukas Bulla, Kristian Hjorth, Oskar Kohout +9
In a recent quantum key distribution experiment, high-dimensional protocols were used to show an improved noise resistance over a 10.2 km free-space channel. One of the unresolved…
Advances in entanglement-based QKD for space applications
Sebastian Ecker, Johannes Pseiner, Jorge Piris +1
Quantum key distribution (QKD) enables tap-proof exchange of cryptographic keys guaranteed by the very laws of physics. One of the last remaining roadblocks on the way towards wide…
Simultaneous transmission of hyper-entanglement in 3 degrees of freedom through a multicore fiber
Lukas Achatz, Lukas Bulla, Evelyn A. Ortega +5
Entanglement distribution is at the heart of most quantum communication protocols. Inevitable loss of photons along quantum channels is a major obstacle for distributing entangled…
Non-local temporal interferometry for highly resilient free-space quantum communication
Lukas Bulla, Matej Pivoluska, Kristian Hjorth +9
Entanglement distribution via photons over long distances enables many applications, including quantum key distribution (QKD), which provides unprecedented privacy. The inevitable…
Remotely Establishing Polarization Entanglement over Noisy Polarization Channels
Sebastian Ecker, Philipp Sohr, Lukas Bulla +2
The faithful distribution of entanglement over noisy channels is a vital prerequisite for many quantum technological applications. Quantum information can be encoded in different d…
Experimental Single-Copy Entanglement Distillation
Sebastian Ecker, Philipp Sohr, Lukas Bulla +3
The phenomenon of quantum entanglement marks one of the furthest departures from classical physics and is indispensable for quantum information processing. Despite its fundamental…
Temporal distinguishability in Hong-Ou-Mandel interference: Generation and characterization of high-dimensional frequency entanglement
Yuanyuan Chen, Sebastian Ecker, Lixiang Chen +3
High-dimensional quantum entanglement is currently one of the most prolific fields in quantum information processing due to its high information capacity and error resilience. A ve…
Strategies for achieving high key rates in satellite-based QKD
Sebastian Ecker, Bo Liu, Johannes Handsteiner +6
Quantum key distribution (QKD) is a pioneering quantum technology on the brink of widespread deployment. Nevertheless, the distribution of secret keys beyond a few 100 kilometers a…
Overcoming Noise in Entanglement Distribution
Sebastian Ecker, Frédéric Bouchard, Lukas Bulla +8
Noise can be considered the natural enemy of quantum information. An often implied benefit of high-dimensional entanglement is its increased resilience to noise. However, manifesti…
Cosmic Bell Test using Random Measurement Settings from High-Redshift Quasars
Dominik Rauch, Johannes Handsteiner, Armin Hochrainer +17
In this Letter, we present a cosmic Bell experiment with polarization-entangled photons, in which measurement settings were determined based on real-time measurements of the wavele…
Polarization entanglement by time-reversed Hong-Ou-Mandel interference
Yuanyuan Chen, Sebastian Ecker, Sören Wengerowsky +4
Sources of entanglement are an enabling resource in quantum technology, and pushing the limits of generation rate and quality of entanglement is a necessary pre-requisite towards p…
Distribution of high-dimensional entanglement via an intra-city free-space link
Fabian Steinlechner, Sebastian Ecker, Matthias Fink +5
Quantum entanglement is a fundamental resource in quantum information processing and its distribution between distant parties is a key challenge in quantum communications. Increasi…