News

We congratulate Dominik Kostiuk who has successfully defended his bachelor thesis titled "Monitoring the Refractive Indices of Lithium Niobate Waveguides under Cryogenic Conditions".

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Timon Schapeler has a new publication titled "Quantum detector tomography of a 2×2 multi-pixel array of superconducting nanowire single photon detectors".

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Congratulations to Elias Wippermann on successfully defending his bachelor thesis.

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We congratulate Timon Schapeler for successfully completing his masters studies on "Quantum Detector Tomography of Superconducting Detector Arrays".

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Frederik Thiele has a new publication titled "Cryogenic electro-optic polarisation conversion in titanium in-diffused lithium niobate waveguides"

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Congratulations to Moritz who now starts his PhD in the group of Camille Brès at EPFL. It’s been great to have you in the group and we wish you all the best in Lausanne.

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CLEO 2020

From May 11th till May 15th was the digital CLEO conference USA 2020. The MQO group contributed with talks from three different people: Moritz Bartnick, Jan Philipp Höpker, and Frederik Thiele.

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We congratulate Frederik Thiele, Moritz Bartnick and Felix Dreher (from left to right with Jun.-Prof. Tim Bartley) for successfully completing their bachelor's and master's studies. Frederik Thiele defended his master's project titled "Polarisation Converter in Lithium Niobate Waveguides at Cryogenic Temperatures". Moritz Batnick obtained his master's degree with his thesis about "Nonlinear Optics at Cryogenic Temperatures". Felix Dreher achieved…

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From 21st-25th October Jan Philipp Höpker and Tim Bartley joined the Single Photon Workshop in Milan. Jan Philipp presented his work on “Characterizing integrated single photon detectors on lithium niobate waveguides”.

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We visited the first fall meeting of the DPG in Freiburg. Frederik Thiele gave a talk on his results on a polarisation converter in lithium niobate at cryogenic temperatures. In a poster session Julian Brockmeier, Nina Lange, Maximilian Protte and Timon Schapeler presented their work on pump suppression for nonlinear processes, a SPDC source for cryogenic temperatures based on periodically poled lithium niobate, a hybrid platform based on silicon…

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Frederik Thiele, Jan Philipp Höpker, and Moritz Bartnick presented their work on “Towards Cryogenic Polarisation Modulation in Lithium Niobate Waveguides”, “Integrated transition edge sensors on lithium niobate waveguides”, and “Towards an integrated PDC source at cryogenic temperatures” at the DPG-Frühjahrstagung in Rostock.

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From 15th-17th October Jan Philipp Höpker joined the ICIQP Conference in Paris, France. He presented his work on “Integrated transition edge sensors on lithium niobate waveguides”.

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We congratulate Nina Amelie Lange for successfully defending her bachelor thesis titled "Characterising Integrated Optical Components at Cryogenic Temperatures".

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We congratulate Timon Schapeler who has successfully defended his bachelor thesis titled "Characterising Multi-Element Superconducting Detectors".

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With the sum of about 2.8 million euros, the Federal Ministry of Education and Research (BMBF) will fund research in the field of quantum communication at the University of Paderborn. Within the “Quantum Futur” Program, Jun.-Prof. Dr. Tim Bartley will lead a junior research group to investigate integrated quantum optics and superconducting electronics. The aim of the research is to exploit the quantum properties of light for quantum…

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