QT-1-26-2 / Photonic crystal fibre interfaces for hybrid quantum networks

Quantum networks provide a promising route to advanced quantum technologies for information-processing and communications. However, the wavelengths at which nodes such as trapped ions emit light are incompatible with low-loss transmission in optical fibre, and disparate nodes are also incompatible…

QT-1-26-2 / Photonic crystal fibre interfaces for hybrid quantum networks

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Quantum networks provide a promising route to
advanced quantum technologies for information-processing and
communications. However, the wavelengths at which nodes such
as trapped ions emit light are incompatible with low-loss
transmission in optical fibre, and disparate nodes are also
incompatible with one another. Frequency-conversion by fourwave
mixing in photonic crystal fibre has the potential to
overcome these difficulties. We present recent progress towards
frequency-conversion of node wavelengths to the
telecommunications band as well as methods to achieve a
universal frequency interface by exploiting dispersion
engineering in photonic crystal fibre.

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