We experimentally demonstrate a source of nearly pure single photons in arbitrary temporal shapes heralded from a parametric down-conversion (PDC) source at telecom wavelengths. The technology is enabled by the tailored dispersion of in-house fabricated waveguides with shaped pump pulses to directly generate the PDC photons in on-demand temporal shapes. We generate PDC photons in Hermite-Gauss and frequency-binned modes and confirm a minimum purity of 0.81, even for complex temporal shapes.
Heralded generation of high-purity ultrashort single photons in programmable temporal shapes / Ansari, V., Roccia, E., Santandrea, M., Doostdar, M., Eigner, C., Padberg, L., Gianani, I., Sbroscia, M., Donohue, J.M., Mancino, L., Barbieri, M., Silberhorn, C.. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 26:3(2018), pp. 2764-2774. [10.1364/OE.26.002764]
Heralded generation of high-purity ultrashort single photons in programmable temporal shapes
Roccia E.;Gianani I.;
2018
Abstract
We experimentally demonstrate a source of nearly pure single photons in arbitrary temporal shapes heralded from a parametric down-conversion (PDC) source at telecom wavelengths. The technology is enabled by the tailored dispersion of in-house fabricated waveguides with shaped pump pulses to directly generate the PDC photons in on-demand temporal shapes. We generate PDC photons in Hermite-Gauss and frequency-binned modes and confirm a minimum purity of 0.81, even for complex temporal shapes.| File | Dimensione | Formato | |
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