248 citations · 565 across the 11 of their papers we have counts for
11 papers
Knowledge Augmented Machine Learning with Applications in Autonomous Driving: A Survey
Julian Wörmann, Daniel Bogdoll, Christian Brunner +49
The availability of representative datasets is an essential prerequisite for many successful artificial intelligence and machine learning models. However, in real life applications…
Nonlinear power dependence of the spectral properties of an optical parametric oscillator below threshold in the quantum regime
Golnoush Shafiee, Dmitry V. Strekalov, Alexander Otterpohl +6
Photon pairs and heralded single photons, obtained from cavity-assisted parametric down-conversion (PDC), play an important role in quantum communications and technology. This moti…
Squeezed vacuum states from a whispering gallery mode resonator
Alexander Otterpohl, Florian Sedlmeir, Ulrich Vogl +9
Squeezed vacuum states enable optical measurements below the quantum limit and hence are a valuable resource for applications in quantum metrology and also quantum communication. H…
Off-resonant emission of photon pairs in nonlinear optical cavities
Valentin A. Averchenko, Gerhard Schunk, Michael Förtsch +4
Cavity-assisted spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing (SFWM) in nonlinear optical materials are practical and versatile methods to generate…
Polarization-selective out-coupling of whispering gallery modes
Florian Sedlmeir, Matthew R. Foreman, Ulrich Vogl +6
Whispering gallery mode (WGM) resonators are an important building block for linear, nonlinear and quantum optical experiments. In such experiments, independent control of coupling…
Efficient single sideband microwave to optical conversion using an electro-optical whispering gallery mode resonator
Alfredo Rueda, Florian Sedlmeir, Michele C. Collodo +9
Linking classical microwave electrical circuits to the optical telecommunication band is at the core of modern communication. Future quantum information networks will require coher…
Frequency tuning of a triply-resonant whispering-gallery mode resonator to MHz wide transitions for proposed quantum repeater schemes
Gerhard Schunk, Ulrich Vogl, Florian Sedlmeir +6
Quantum repeaters rely on an interfacing of flying qubits with quantum memories. The most common implementations include a narrowband single photon matched in bandwidth and central…
Interfacing transitions of different alkali atoms and telecom bands using one narrowband photon pair source
Gerhard Schunk, Ulrich Vogl, Dmitry V. Strekalov +7
Quantum information technology strongly relies on coupling of optical photons with narrowband quantum systems, such as quantum dots, color centers, and atomic systems. This couplin…
Near-infrared single-photon spectroscopy of a whispering gallery mode resonator using energy-resolving transition edge sensors
Michael Förtsch, Thomas Gerrits, Martin J. Stevens +9
We demonstrate a method to perform spectroscopy of near-infrared single photons without the need of dispersive elements. This method is based on a photon energy resolving transitio…
Identifying modes of large whispering-gallery mode resonators from the spectrum and emission pattern
Gerhard Schunk, Josef U. Fürst, Michael Förtsch +6
Identifying the mode numbers in whispering-gallery mode resonators (WGMRs) is important for tailoring them to experimental needs. Here we report on a novel experimental mode analys…
Highly efficient generation of single-mode photon pairs using a crystalline whispering gallery mode resonator
Michael Förtsch, Gerhard Schunk, Josef U. Fürst +8
We report a highly efficient source of narrow-band photon pairs based on parametric down-conversion in a crystalline whispering gallery mode resonator. Remarkably, each photon of a…