Nested antiresonant nodeless hollow core fiber
Nested antiresonant nodeless hollow core fiber
We propose a novel hollow core fiber design based on nested and non-touching antiresonant tube elements arranged around a central core. We demonstrate through numerical simulations that such a design can achieve considerably lower loss than other state-of-the-art hollow fibers. By adding additional pairs of coherently reflecting surfaces without introducing nodes, the Hollow Core Nested Antiresonant Nodeless Fiber (HC-NANF) can achieve values of confinement loss similar or lower than that of its already low surface scattering loss, while maintaining multiple and octave-wide antiresonant windows of operation. As a result, the HC-NANF can in principle reach a total value of loss – including leakage, surface scattering and bend contributions – that is lower than that of conventional solid fibers. Besides, through resonant out-coupling of high order modes they can be made to behave as effectively single mode fibers.
23807-23828
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
6 October 2014
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Poletti, Francesco
(2014)
Nested antiresonant nodeless hollow core fiber.
Optics Express, 22 (20), .
(doi:10.1364/OE.22.023807).
Abstract
We propose a novel hollow core fiber design based on nested and non-touching antiresonant tube elements arranged around a central core. We demonstrate through numerical simulations that such a design can achieve considerably lower loss than other state-of-the-art hollow fibers. By adding additional pairs of coherently reflecting surfaces without introducing nodes, the Hollow Core Nested Antiresonant Nodeless Fiber (HC-NANF) can achieve values of confinement loss similar or lower than that of its already low surface scattering loss, while maintaining multiple and octave-wide antiresonant windows of operation. As a result, the HC-NANF can in principle reach a total value of loss – including leakage, surface scattering and bend contributions – that is lower than that of conventional solid fibers. Besides, through resonant out-coupling of high order modes they can be made to behave as effectively single mode fibers.
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Accepted/In Press date: 11 September 2014
e-pub ahead of print date: 22 September 2014
Published date: 6 October 2014
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 376924
URI: http://eprints.soton.ac.uk/id/eprint/376924
ISSN: 1094-4087
PURE UUID: d0fc3972-8eb6-42c3-98a4-d55514f4bc4a
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Date deposited: 11 May 2015 11:11
Last modified: 15 Mar 2024 03:28
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