Our research aims to develop and exploit key enabling quantum technologies for emerging applications in quantum information science. This includes photon sources, interfaces and detectors, for work spanning applied and fundamental aspects of quantum communication, from QKD prototypes to teleportation, in the lab and in real world networks. Underlying this we have activities in quantum metrology to better characterise these emerging quantum technologies and applications as well as exploiting them for sensing and imaging, for example, in biophotonics.

QTech News

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Our recent demonstration of local and scalable detection of genuine multipartite single-photon path entanglement has been published in Quantum. We construct a scalable entanglement witness that can be implemented with local measurements only, and…
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The INSPIRE Potentials QSIT Master Internship Award was awarded to Hanan Jaffal by NCCR QSIT. The award aims to encourage excellent women students to carry out their Master's thesis in a laboratory belonging to the NCCR QSIT network, so aiming to…
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Our new results are now out in Nature! We demonstrate a new system based on the concept of “zero-knowledge proofs”, the security of which is based on the physical principle of relativity, that allows for secure data transfer.
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Our results from recent experiments on the limits of integrating quantum key distribution (QKD) into existing classical networks have been published in Applied Physics Letters! QKD has already become commercially available recently, however, it is…
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The QTech group and the whole Department of Applied Physics moved out of our original labs back in 2011. We now have the first tables moved in to the new labs and restored "ancienne école de médecine".
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The first entangled two-photon paper from our group is out! In this paper, we study the influence of different degrees of entanglement freedom on the entangled two-photon absorption-induced fluorescence rate of Rhodamine 6G, allowing nonlinear…
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We've just been awarded an Innosuisse grant, funded by the Swiss Innovation Agency, to work on the development of a new generation of SNSPDs (Superconducting Nanowire Single-Photon Detectors) to deliver cutting-edge performance for commercial quantum…
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The GMP Photonics second prize was awarded by General Microtechnology & Photonics (GMP) to Alberto Boaron and Davide Rusca for their experimental and theoretical work on quantum key distribution, under the direction of Prof. Hugo Zbinden. Intended…
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L'Union Européenne a sélectionné 38 institutions, dont 4 genevoises, pour travailler sur le projet OPEN-QKD (Quantum Key Distribution). Objectif, créer un système de communication ultra sécurisé dans divers domaine, notamment la finance.