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Title

High-rate photon pairs and sequential Time-Bin entanglement with Si3N4 microring resonators

Authors
Karpov, Maxim
Kippenberg, Tobias J.
Published in Optics Express. 2019, vol. 27, no. 14, p. 19309
Abstract Integrated photonics is increasing in importance for compact, robust, and scalable enabling quantum technologies. This is particularly interesting for developing quantum communication networks, where resources need to be deployed in the field. We exploit photonic chip-based Si3N4 microring resonators to realise a photon pair source with low-loss, high-noise suppression and coincidence rates of 80×103 s−1. A simple photonic noise characterisation technique is presented that distinguishes linear and nonlinear contributions useful for system design and optimisation. We then demonstrate an all-fiber 750 MHz clock-rate sequential Time-Bin entanglement scheme with raw interference visibilities > 98 %.
Keywords Microring resonatorFour wave mixingPhoton-pair source
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Research group Groupe Zbinden
Project FNS: 182664, 161573
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SAMARA, Farid et al. High-rate photon pairs and sequential Time-Bin entanglement with Si3N4 microring resonators. In: Optics Express, 2019, vol. 27, n° 14, p. 19309. doi: 10.1364/OE.27.019309 https://archive-ouverte.unige.ch/unige:121975

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Deposited on : 2019-08-27

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