Dual hollow-core anti-resonant fibres

N. V. Wheeler; T. D. Bradley; J. R. Hayes; G. T. Jasion; Y. Chen; S. R. Sandoghchi; P. Horak; F. Poletti; M. N. Petrovich; D. J. Richardson

doi:10.1117/12.2225589

27 April 2016 Dual hollow-core anti-resonant fibres

N. V. Wheeler, T. D. Bradley, J. R. Hayes, G. T. Jasion, Y. Chen, S. R. Sandoghchi, P. Horak, F. Poletti, M. N. Petrovich, D. J. Richardson

Author Affiliations +

Proceedings Volume 9886, Micro-Structured and Specialty Optical Fibres IV; 988617 (2016) https://doi.org/10.1117/12.2225589
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

While hollow core-photonic crystal fibres are now a well-established fibre technology, the majority of work on these speciality fibres has been on designs with a single core for optical guidance. In this paper we present the first dual hollow-core anti-resonant fibres (DHC-ARFs). The fibres have high structural uniformity and low loss (minimum loss of 0.5 dB/m in the low loss guidance window) and demonstrate regimes of both inter-core coupling and zero coupling, dependent on the wavelength of operation, input polarisation, core separation and bend radius. In a DHC-ARF with a core separation of 4.3 μm, we find that with an optimised input polarisation up to 65% of the light guided in the launch core can be coupled into the second core, opening up applications in power delivery, gas sensing and quantum optics.

Citation Download Citation

N. V. Wheeler, T. D. Bradley, J. R. Hayes, G. T. Jasion, Y. Chen, S. R. Sandoghchi, P. Horak, F. Poletti, M. N. Petrovich, and D. J. Richardson "Dual hollow-core anti-resonant fibres", Proc. SPIE 9886, Micro-Structured and Specialty Optical Fibres IV, 988617 (27 April 2016); https://doi.org/10.1117/12.2225589

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