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Publication - Professor Mark Thompson

    High-extinction ratio integrated photonic filters for silicon quantum photonics


    Piekarek, M, Bonneau, D, Miki, S, Yamashita, T, Fujiwara, M, Sasaki, M, Terai, H, Tanner, MG, Natarajan, CM, Hadfield, RH, O'Brien, JL & Thompson, MG, 2017, ‘High-extinction ratio integrated photonic filters for silicon quantum photonics’. Optics Letters, vol 42., pp. 815-818


    We present the generation of quantum-correlated photon pairs and subsequent pump rejection across two silicon-on-insulator photonic integrated circuits. Incoherently cascaded lattice filters are used to provide over 100 dB pass-band to stop-band contrast with no additional external filtering. Photon pairs generated in a microring resonator are successfully separated from the input pump, confirmed by temporal correlations measurements.

    Full details in the University publications repository