Ultralow loss hollow-core conjoined-tube negative-curvature fiber

Shou-Fei Gao; Ying-Ying Wang; Wei Ding; Yi-Feng Hong; Pu Wang

doi:10.1117/12.2513730

7 March 2019 Ultralow loss hollow-core conjoined-tube negative-curvature fiber

Shou-Fei Gao, Ying-Ying Wang, Wei Ding, Yi-Feng Hong, Pu Wang

Proceedings Volume 10897, Fiber Lasers XVI: Technology and Systems; 108970Y (2019) https://doi.org/10.1117/12.2513730
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Hollow-core fiber (HCF) has found plenty of interdisciplinary applications in areas ranging from ultra-intense pulse delivery, single-cycle pulse generation, low latency optical communication, UV light sources, mid-IR gas lasers to biochemical sensing, quantum optics and mid-IR to Terahertz waveguides. These applications calls for better performance HCF, especially in loss, bandwidth and mode quality. Here we present a new hollow-core fiber with conjoined-tubes in the cladding and a negative-curvature core shape. It exhibits a minimum transmission loss of 2 dB/km at 1512 nm and a <16 dB/km bandwidth covering the O, E, S, C, L telecom bands. The debut of this conjoined-tube hollow-core fiber, with combined merits of ultralow loss, broad bandwidth, low bending loss, high mode quality and simple structure heralds a new opportunity to fully unleash the potential of hollow-core fiber in laser and telecommunication related applications.

Citation Download Citation

Shou-Fei Gao, Ying-Ying Wang, Wei Ding, Yi-Feng Hong, and Pu Wang "Ultralow loss hollow-core conjoined-tube negative-curvature fiber", Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108970Y (7 March 2019); https://doi.org/10.1117/12.2513730

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