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This paper updates the study of anti-resonant hollow-core fibers (AR-HCFs) and their applications. Such fibers have been shown to offer low-loss transmission windows which greatly extend the traditional spectral regions of hollow-core fibers into visible and mid-IR. The single-mode performance, large mode area, low dispersion and low nonlinearity make AR-HCF the most promising medium for high-power...
We report an all-optical realisation of a quantum relay experiment at a telecom wavelength. The main idea relies on utilizing a picosecond 2.5 GHz repetition rate telecom laser as a master clock to allow, thanks to dedicated distribution channels, the generation of synchronized entangled pairs of photons at remote locations. This is a necessary condition for achieving a reliable quantum relay function...
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