Abstract

We present a lithographically defined, ultra-high vacuum (UHV) compatible on-chip structure acting as a mechanical splicer that allows efficient injection of light from a conventional solid-core (SC) fiber to a hollow-core photonic crystal fiber (HCPCF) and vice versa. We report the observed coupling efficiencies for an assortment of solid-core fibers and a HCPCF with maximum efficiency between solid-core fiber and HCPCF of 93%.

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