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Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 53: Quantum Optics and Photonics III

Q 53.6: Talk

Thursday, March 8, 2018, 11:45–12:00, K 0.016

Ultrafast single photon detection on a photonic waveguideJulian Muenzberg2,4, Andreas Vetter4,5, Wladick Hartmann1,2,3, •Fabian Beutel1,2,3, Simone Ferrari1,2,3, Carsten Rockstuhl4,5, and Wolfram Pernice1,2,31University of Münster, Institute of Physics, Germany — 2University of Münster, CeNTech - Center for Nanotechnology, Germany — 3University of Münster, Münster Nanofabrication Facility, Germany — 4Karlsruhe Institut of Technology, Institute of Theoretical Solid State Physics, Germany — 5Karlsruhe Institut of Technology, Institute of Nanotechnology, Germany

A key building block for quantum photonics is represented by integrated detectors with high efficiency and timing resolution [1]. For high bandwidth quantum communication ultrafast detection is also needed. We realized extremely short superconducting nanowire detectors onto silicon nanophotonic platform which, thanks to their reduced kinetic inductance, can provide an extremely high detection rate [2]. To enhance their efficiency, we embedded these detectors into a two-dimensional photonic crystal cavity obtaining efficient and fast detectors with sub-ns recovery time. [1] Science 318 (5856), 1567 (2007) [2] Nano Lett., 16 (11), 7085 (2016)

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