Abstract
We propose a scheme for generating pairs of de-correlated photons in silicon nanowire waveguides. By properly engineering the geometrical dispersion of nanoscale waveguides we achieve both four-wave-mixing and group velocity matching. Factorable pure photon states are found that do not require spectral filtering. Highly anti-correlated two-photon states can be realized far from the Raman background of the waveguide. Our results hold promise for the realization of an integrated single photon source.
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Khasminskaya, S., Pernice, W.H.P. A silicon nanowire factorable photon pair source. Opt Quant Electron 45, 357–364 (2013). https://doi.org/10.1007/s11082-012-9638-0
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DOI: https://doi.org/10.1007/s11082-012-9638-0