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Numerical modeling of a hybrid hollow-core fiber for enhanced mid-infrared guidance

Numerical modeling of a hybrid hollow-core fiber for enhanced mid-infrared guidance
Numerical modeling of a hybrid hollow-core fiber for enhanced mid-infrared guidance
We propose a novel design of hollow-core fiber for enhanced light guidance in the mid-infrared. The structure combines an arrangement of non-touching antiresonant elements in the air core with a multilayer glass/polymer structure in the fiber’s cladding. Through numerical modeling, we demonstrate that the combination of antiresonant/inhibited-coupling and photonic bandgap guidance mechanisms can decrease the optical loss of a tubular antiresonant fiber by more than one order of magnitude. More specifically, our simulations demonstrate losses of the HE11 mode in the few dB/km level, which can be tuned through mid-infrared wavelengths (5 µm-10.6 µm) by carefully optimizing the structural parameters of both structures. We also show that the hybrid hollow-core fiber design is more robust to bend-induced loss than an equivalent tubular antiresonant fiber or a Bragg/OmniGuide fiber. As a result, if successfully fabricated, the hybrid hollow-core fiber will offer low-loss, high beam-quality, effectively single-mode operation, and low bending losses, potentially solving many of the problems that affect all known mid-infrared fiber types.
Antiresonant fiber, Hollow core fibers, Optical fibre, hybrid hollow core fiber, mid-infrared
1094-4087
17042-17052
Hayashi, Juliano Grigoleto
fe6db15b-ec75-4fd1-94f9-66efb217db21
Abokhamis Mousavi, Seyed Mohammad
5cde8762-0a43-461c-a124-857d1aca102b
Ventura, Andrea
1a756848-b96c-48e2-bec9-57ba38a8256d
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Hayashi, Juliano Grigoleto
fe6db15b-ec75-4fd1-94f9-66efb217db21
Abokhamis Mousavi, Seyed Mohammad
5cde8762-0a43-461c-a124-857d1aca102b
Ventura, Andrea
1a756848-b96c-48e2-bec9-57ba38a8256d
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491

Hayashi, Juliano Grigoleto, Abokhamis Mousavi, Seyed Mohammad, Ventura, Andrea and Poletti, Francesco (2021) Numerical modeling of a hybrid hollow-core fiber for enhanced mid-infrared guidance. Optics Express, 29 (11), 17042-17052. (doi:10.1364/OE.423257).

Record type: Article

Abstract

We propose a novel design of hollow-core fiber for enhanced light guidance in the mid-infrared. The structure combines an arrangement of non-touching antiresonant elements in the air core with a multilayer glass/polymer structure in the fiber’s cladding. Through numerical modeling, we demonstrate that the combination of antiresonant/inhibited-coupling and photonic bandgap guidance mechanisms can decrease the optical loss of a tubular antiresonant fiber by more than one order of magnitude. More specifically, our simulations demonstrate losses of the HE11 mode in the few dB/km level, which can be tuned through mid-infrared wavelengths (5 µm-10.6 µm) by carefully optimizing the structural parameters of both structures. We also show that the hybrid hollow-core fiber design is more robust to bend-induced loss than an equivalent tubular antiresonant fiber or a Bragg/OmniGuide fiber. As a result, if successfully fabricated, the hybrid hollow-core fiber will offer low-loss, high beam-quality, effectively single-mode operation, and low bending losses, potentially solving many of the problems that affect all known mid-infrared fiber types.

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Accepted/In Press date: 12 April 2021
e-pub ahead of print date: 19 May 2021
Published date: 24 May 2021
Additional Information: Funding Information: Funding. European Research Council (682724); Engineering and Physical Sciences Research Council (EP/N00762X/1, EP/P030181/1); Royal Society (NF170629). Publisher Copyright: Journal © 2021
Keywords: Antiresonant fiber, Hollow core fibers, Optical fibre, hybrid hollow core fiber, mid-infrared

Identifiers

Local EPrints ID: 449393
URI: http://eprints.soton.ac.uk/id/eprint/449393
ISSN: 1094-4087
PURE UUID: 9265484a-6041-4a64-b995-bf4826e647bf
ORCID for Seyed Mohammad Abokhamis Mousavi: ORCID iD orcid.org/0000-0002-5250-2630
ORCID for Andrea Ventura: ORCID iD orcid.org/0000-0002-8658-761X
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083

Catalogue record

Date deposited: 27 May 2021 16:30
Last modified: 17 Mar 2024 03:55

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Contributors

Author: Juliano Grigoleto Hayashi
Author: Andrea Ventura ORCID iD

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