Moritz Kleinert

Moritz Kleinert is a Project Manager at the Fraunhofer Heinrich Hertz Institute (Fraunhofer HHI; Berlin, Germany).

(Courtesy of Fraunhofer HHI)
FIGURE 1. QC test system for the generation and detection of quantum states.

Integrated optical modules for quantum communication

Nov. 17, 2021
As quantum communication moves from the lab to real life, optical integration will be key. Researchers are already preparing for the transition with the introduction of established...
FIGURE 1. A schematic side view shows an on-chip free-space section created using two waveguide-coupled GRIN lenses (a). The top view (b) shows two integrated GRIN lenses creating a free-space etalon (highlighted in yellow). The cross-section (c) illustrates a U-groove with integrated GRIN lens; the width and depth of the U-groove match the GRIN lens diameter of 125 µm.
Detectors & Imaging

Photonics Applied: Quantum Photonics: UNIQORN—Making quantum photonics affordable

April 1, 2019
Blending on-chip ultrathin-film elements, nonlinear crystals, polymer interposers, and single-photon detectors, the UNIQORN project aims to develop a quantum system-on-chip methodology...