21 May 2015 High-purity single-mode photon source for integrated quantum photonics
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Integrated quantum photonics relies critically on photon sources that have great purity, single-mode property, scalability, integrability and flexibility for both integrated quantum computing and long-haul quantum communication. Here we report a photon-pair/single-photon source that utilizes cavity-enhanced four-wave mixing in a high-Q silicon microresonator. The photon-pair source has a spectral brightness of 6:25 × 108 pairs/s/mW2/GHz and a quantum cross-correlation of g(2)si (0) = (2:58 ± 0:16) × 104. The generated photons are single-mode, with a quantum self-correlation of 1:87 ± 0:05. The heralded single photons has conditional photon autocorrelation gc(2) as low as 0:0075 ± 0:0017 at 5:9 × 104 pair/s.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiyuan Lu, Xiyuan Lu, Wei C. Jiang, Wei C. Jiang, Jidong Zhang, Jidong Zhang, Qiang Lin, Qiang Lin, } "High-purity single-mode photon source for integrated quantum photonics", Proc. SPIE 9500, Quantum Information and Computation XIII, 950018 (21 May 2015); doi: 10.1117/12.2177630; https://doi.org/10.1117/12.2177630


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