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Publication - Dr Jake Kennard

    An On-Chip Homodyne Detector for Measuring Quantum States


    Ferranti, G, Raffaelli, F, Mahler, DH, Sibson, P, Kennard, JE, Santamato, A, Sinclair, G, Bonneau, D, Thompson, MG & Matthews, JC, 2018, ‘An On-Chip Homodyne Detector for Measuring Quantum States’. in: 2018 IEEE Photonics Society Summer Topicals Meeting Series (SUM 2018). Institute of Electrical and Electronics Engineers (IEEE), pp. 139-140


    We present the first silicon-integrated homodyne detector suitable for characterising quantum states of light travelling in a silicon waveguide. We report high-fidelity quantum state tomography of coherent states. The device was also used to generate random numbers at a speed of 1.2 Gbps.

    Full details in the University publications repository