title: Degenerate photon-pair generation in an ultracompact silicon photonic crystal waveguide.
abstract: We demonstrate degenerate, correlated photon-pair generation via slow-light-enhanced spontaneous four-wave mixing in a 96 μm long silicon photonic crystal waveguide. Our device represents a more than 50 times smaller footprint than silicon nanowires. We have achieved a coincidence-to-accidental ratio as high as 47 at a photon generation rate of 0.001 pairs per pulse and 14 at a photon generation rate of 0.023 pairs per pulse, which are both higher than the useful level of 10. This demonstration provides a path to generate indistinguishable photons in an ultracompact platform for future quantum photonic technologies.
authors: Jiakun
authors: J
authors: He
authors: Alex S
authors: AS
authors: Clark
authors: Matthew J
authors: MJ
authors: Collins
authors: Juntao
authors: J
authors: Li
authors: Thomas F
authors: TF
authors: Krauss
authors: Benjamin J
authors: BJ
authors: Eggleton
authors: Chunle
authors: C
authors: Xiong