Effect on spectral purity due to on-chip temporal manipulation of the pump

Photonic Integrated Circuits (PIC)s are a promising contender for quantum information technologies. The spectral purity of photons is one of the key attributes of PIC photon-pair sources. The dual-pulse pump manipulation technique [1] showed >99% purity in ring-resonator photon-pair sources. Here...

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Bibliographic Details
Published inarXiv.org
Main Authors Rodda, Lukas, Burridge, Ben M, Barreto, Jorge, Faruque, Imad I
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 05.04.2024
Subjects
Configurations
Integrated circuits
Photons
Purity
Quantum phenomena
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Summary:Photonic Integrated Circuits (PIC)s are a promising contender for quantum information technologies. The spectral purity of photons is one of the key attributes of PIC photon-pair sources. The dual-pulse pump manipulation technique [1] showed >99% purity in ring-resonator photon-pair sources. Here, we have developed a PIC to shape a pulse into dual, triple and quadruple pulses and investigated the effect of these pump pulse configurations on the purity. Our results show that more complex configurations over dual-pulse do not result in comparatively higher purity but allow accurate control over choosing arbitrary values of the purity.
ISSN:2331-8422