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Journals and Conferences
Hollow-core fibre (HCF) is a powerful technology platform offering breakthrough performance improvements in sensing, communications, higher-power pulse delivery and other applications. Free from the usual constraints on what materials can guide light, it promises qualitatively new and ideal operating regimes: precision signals transmitted free of… (More)
Hollow-core fibers (HCFs) are a revolution in light guidance with enormous potential. They promise lower loss than any other waveguide, but have not yet achieved this potential because of a tradeoff between loss and single-moded operation. This paper demonstrates progress on a strategy to beat this tradeoff: we measure the first hollow-core fiber employing… (More)
We demonstrate the first low-loss, low-return-loss FC/PC connector for a single-mode, hollow-core fiber. Connector loss of 0.3dB and return loss of -31.3dB was measured, and a 200m HCF jumper with connectors on both ends was fabricated.
A newly-developed, single-mode hollow-core fiber is employed for saturated absorption spectroscopy in a molecular gas. Lack of surface modes, ease of angle splicing, and single-modedness make it promising for portable frequency references.
Spatially and spectrally resolved mode imaging of a 19 cell photonic bandgap fiber with minimum loss at 1550 nm is demonstrated using a high resolution tunable laser and phosphor-coated CCD camera.
Simulations show that resonant shunt cores for suppression of higher-order modes in hollow-core fibers can be applied broadly, to cores larger than 19-cell and core thicknesses larger than half the lattice web thickness.