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We leverage the high spontaneous four-wave-mixing nonlinearity (γ≈4150/W·m) of silicon coupled-resonator optical waveguides to demonstrate a telecommunications-band, heralded single photon source. The generated light is antibunched with g(2)(0) ≈ 0.19 ±0.03 at low power.
Intensity and group delay are measured with high spectral resolution in long silicon microring coupled-resonator optical waveguides (CROWs), with the first experimental evidence that coherent oscillations of the coupled resonators constitute the propagating eigenmodes.
Silicon microring coupled-resonator optical waveguides (CROWs) with up to 235 unit cells are fabricated and measured. These are the longest CROW structures made, and both amplitude and group delay variation measurements are reported.
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