Intermodal four-wave mixing for heralded single-photon sources in the MIR (Conference Presentation)

Stefano Signorini; Sara Piccione; Matteo Finazzer; Mher Ghulinyan; Martino Bernard; Georg Pucker; Lorenzo Pavesi

doi:10.1117/12.2543041

9 March 2020 Intermodal four-wave mixing for heralded single-photon sources in the MIR (Conference Presentation)

Stefano Signorini, Sara Piccione, Matteo Finazzer, Mher Ghulinyan, Martino Bernard, Georg Pucker, Lorenzo Pavesi

Proceedings Volume 11284, Smart Photonic and Optoelectronic Integrated Circuits XXII; 112841L (2020) https://doi.org/10.1117/12.2543041
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Single photon sources by heralding time correlated photons are described. By intermodal four wave mixing (FWM) in a silicon photon circuit, we generate a herald photon at 1260 nm and the heralded one beyond 2 um, with a coincidence to accidental ratio larger than 50 and a single photon purity of 0.75. The discrete band intermodal phase matching does not require further filtering to improve the purity of the single photon. Moreover, the intermodal FWM exhibits high controllability of the signal/idler wavelengths, that can be generated far from the Raman and pump noise, with improved noise filtering.

Conference Presentation

Citation Download Citation

Stefano Signorini, Sara Piccione, Matteo Finazzer, Mher Ghulinyan, Martino Bernard, Georg Pucker, and Lorenzo Pavesi "Intermodal four-wave mixing for heralded single-photon sources in the MIR (Conference Presentation)", Proc. SPIE 11284, Smart Photonic and Optoelectronic Integrated Circuits XXII, 112841L (9 March 2020); https://doi.org/10.1117/12.2543041

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