• Technical Conference: 

    09 – 14 May 2021

  • Exhibition: 

    10 – 14 May 2021

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Quantum Sensing

Presider: Ying-Ju Wang, ColdQuanta

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Quantum Sensing From Lab to Market: the Example of Qnami ProteusQ (ATu2S.1)
Presenter: Mathieu Munsch, Qnami

Science is experiencing a quantum revolution with astonishing potential for innovation. We present here a new quantum microscope based on NV center technology and show how it's already used today to advance research in materials science and spintronics. We review challenges specific to developing quantum technolgies and highlight further opportunities in quantum sensing.

Authors:Mathieu Munsch, Qnami

Rydberg Atom Sensors: SI Traceability, Phase Detection, and Other Unique and Unforeseen Applications (ATu2S.2)
Presenter: Christopher Holloway, National Institute of Standards and Technology (NIST)

NIST and other groups have made great progress in the development of Rydberg atom-based RF E-field sensors. Various applications are beginning to emerge: SI-traceable E-field probes, power-sensors, voltage standards, BBR detection, receivers for communication signals, and many other applications.

Authors:Christopher Holloway, National Institute of Standards and Technology (NIST)

(Withdrawn) Mid-Infrared Optical Coherence Tomography in the Frequency Domain With Undetected Photons (ATu2S.3)
Presenter: Sven Ramelow, Humboldt Universität zu Berlin

Mid-infrared OCT with entangled photons can make mid-IR sources and detectors obsolete and thus reduce complexity, footprint and price: with our proof-of-concept at 3.8 μm we demonstrate 10 μm depth-resolution and shot-noise limited 69 dB/s SNRs.

Authors:Aron Vanselow, Humboldt Universität zu Berlin / Helen M Chrzanowski, Humboldt Universität zu Berlin / Paul Kaufmann, Humboldt Universität zu Berlin / Ivan Zorin, Research Center for Non-Destructive Testing GmbH / Bettina Heise, Research Center for Non-Destructive Testing GmbH / Sven Ramelow, Humboldt Universität zu Berlin

Widefield Super-Sensitive Phase Imaging Using N00N State Illumination (ATu2S.4)
Presenter: Robin Camphausen, ICFO

We present a widefield quantum polarised light microscope, illuminating with a NOON state (N=2) and imaging using a SPAD array camera. Compared to classical imaging we show that sensitivity improves by a factor of 1.31.

Authors:Robin Camphausen, ICFO / Álvaro Cuevas, ICFO / Valerio Pruneri, ICFO


Quantum Dot Single-Photon Emission Coupled Into Single-Mode Fibers With 3D Printed Micro-Objectives (ATu2S.5)
Presenter: Ksenia Weber, University of Stuttgart

We demonstrate the on-chip integration of a deterministically fabricated quantum dot micro-lens, a 3D-printed micro-objective and a single-mode fiber-coupler. The resulting quantum device has a broadband photon extraction efficiency with a coupling efficiency of 22%.

Authors:Lucas Bremer, Technische Universität Berlin / Ksenia Weber, University of Stuttgart / Sarah Fischbach, Technische Universität Berlin / Simon Thiele, University of Stuttgart / Marco Schmidt, Technische Universität Berlin / Arsenty Kaganskiy, Technische Universität Berlin / Sven Rodt, Technische Universität Berlin / Alois Herkommer, University of Stuttgart / Marc Sartison, University of Stuttgart / Simone Portalupi, University of Stuttgart / Peter Michler, University of Stuttgart / Harald Giessen, University of Stuttgart / Stephan Reitzenstein, Technische Universität Berlin