868 citations · 1.4k across the 6 of their papers we have counts for
6 papers
Experimental access to higher-dimensional entangled quantum systems using integrated optics
Christoph Schaeff, Robert Polster, Marcus Huber +2
Integrated optics allow the generation and control of increasingly complex photonic states on chip based architectures. Here, we implement two entangled qutrits - a 9-dimensional q…
A simple and robust method for characterization of afterpulsing in single photon detectors
Gerhard Humer, Momtchil Peev, Christoph Schaeff +3
Single photon detectors are important for a wide range of applications each with their own specific requirements, which makes necessary the precise characterization of detectors. H…
Comment on "Two Fundamental Experimental Tests of Nonclassicality with Qutrits"
Radek Lapkiewicz, Peizhe Li, Christoph Schaeff +4
In a recent paper [arXiv:1301.2887] Ahrens et al. claim that our "(...) experiment on qutrits does not test Klyachko et al.'s inequality, but an inequality with extra correlations"…
Quantum Entanglement of High Angular Momenta
Robert Fickler, Radek Lapkiewicz, William N. Plick +4
Single photons with helical phase structures may carry a quantized amount of orbital angular momentum (OAM) and their entanglement is important for quantum information science and…
Scalable fiber integrated source for higher-dimensional path-entangled photonic quNits
Christoph Schaeff, Robert Polster, Radek Lapkiewicz +3
Integrated photonic circuits offer the possibility for complex quantum optical experiments in higher-dimensional photonic systems. However, the advantages of integration and scalab…
Experimental non-classicality of an indivisible quantum system
Radek Lapkiewicz, Peizhe Li, Christoph Schaeff +4
Quantum theory demands that, in contrast to classical physics, not all properties can be simultaneously well defined. The Heisenberg Uncertainty Principle is a manifestation of thi…