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Complementary metal-oxide semiconductor compatible source of single photons at near-visible wavelengths

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arxiv 1803.10484 v1 pith:PJ7H2EP2 submitted 2018-03-28 quant-ph physics.optics

Complementary metal-oxide semiconductor compatible source of single photons at near-visible wavelengths

classification quant-ph physics.optics
keywords photonscompatiblegenerationhighnear-visiblepairsphotonicquantum
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

We demonstrate on chip generation of correlated pairs of photons in the near-visible spectrum using a CMOS compatible PECVD Silicon Nitride photonic device. Photons are generated via spontaneous four wave mixing enhanced by a ring resonator with high quality Q-factor of 320,000 resulting in a generation rate of 950,000 $\frac{pairs}{mW}$. The high brightness of this source offers the opportunity to expand photonic quantum technologies over a broad wavelength range and provides a path to develop fully integrated quantum chips working at room temperature.

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