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Composite material antiresonant fibre optical modulator with >3dB depth

Composite material antiresonant fibre optical modulator with >3dB depth
Composite material antiresonant fibre optical modulator with >3dB depth

Anti-resonant fibres (ARFs) are of significant interest for state of the art photonic technologies. Mode guidance is largely confined to the air core, demonstrating very low optical losses [1]. Furthermore, their internal structure offers a large surface area and is thus ideal as a deposition template for the addition of novel functional materials which would be able to alter their waveguide properties. We have previously demonstrated that the deposition of thin silicon layers onto the inner regions of an ARF results in strong light-matter interaction [2]. In this work, we utilise this interaction to externally control the optical properties of the composite material ARF (CM-ARF). Here, 2D layers of MoS2 were deposited on the inner (cladding) regions of the ARF as shown in Fig. 1(a). MoS2 is a Transition Metal Dichalcogenide (TMDC) 2D material that exhibits many optoelectronic phenomena such as the electro-absorptive effect [3]. Although there are already a number of examples in which TMDCs are incorporated into optical fibre systems to exploit the third order optical nonlinearity of the material to create saturable absorbers [4], this requires large amounts of power to be absorbed by the film, which is usually placed on the end face of a fibre. In contrast, here we show clear modulation at very low power.

Institute of Electrical and Electronics Engineers Inc.
Lewis, Adam H.
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De Lucia, Francesco
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Belardi, Walter
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Huang, Chung Che
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Hayes, John R.
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Poletti, Francesco
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Hewak, Dan W.
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Sazio, Pier J.A.
0d6200b5-9947-469a-8e97-9147da8a7158
Lewis, Adam H.
ec82fc57-cac5-4657-8cf8-29e3bef8cd64
De Lucia, Francesco
4a43cb71-dbd5-422e-bea6-ed48cde423f3
Belardi, Walter
d09d8952-9503-4ccc-b696-0d53f7d97732
Huang, Chung Che
825f7447-6d02-48f6-b95a-fa33da71f106
Hayes, John R.
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Hewak, Dan W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Sazio, Pier J.A.
0d6200b5-9947-469a-8e97-9147da8a7158

Lewis, Adam H., De Lucia, Francesco, Belardi, Walter, Huang, Chung Che, Hayes, John R., Poletti, Francesco, Hewak, Dan W. and Sazio, Pier J.A. (2019) Composite material antiresonant fibre optical modulator with >3dB depth. In 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. Institute of Electrical and Electronics Engineers Inc.. (doi:10.1109/CLEOE-EQEC.2019.8872689).

Record type: Conference or Workshop Item (Paper)

Abstract

Anti-resonant fibres (ARFs) are of significant interest for state of the art photonic technologies. Mode guidance is largely confined to the air core, demonstrating very low optical losses [1]. Furthermore, their internal structure offers a large surface area and is thus ideal as a deposition template for the addition of novel functional materials which would be able to alter their waveguide properties. We have previously demonstrated that the deposition of thin silicon layers onto the inner regions of an ARF results in strong light-matter interaction [2]. In this work, we utilise this interaction to externally control the optical properties of the composite material ARF (CM-ARF). Here, 2D layers of MoS2 were deposited on the inner (cladding) regions of the ARF as shown in Fig. 1(a). MoS2 is a Transition Metal Dichalcogenide (TMDC) 2D material that exhibits many optoelectronic phenomena such as the electro-absorptive effect [3]. Although there are already a number of examples in which TMDCs are incorporated into optical fibre systems to exploit the third order optical nonlinearity of the material to create saturable absorbers [4], this requires large amounts of power to be absorbed by the film, which is usually placed on the end face of a fibre. In contrast, here we show clear modulation at very low power.

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More information

Published date: 1 June 2019
Venue - Dates: 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Germany, 2019-06-22 - 2019-06-26

Identifiers

Local EPrints ID: 438395
URI: http://eprints.soton.ac.uk/id/eprint/438395
PURE UUID: 47967894-11d3-4444-bed8-9848c2d32bdc
ORCID for Chung Che Huang: ORCID iD orcid.org/0000-0003-3471-2463
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Dan W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773
ORCID for Pier J.A. Sazio: ORCID iD orcid.org/0000-0002-6506-9266

Catalogue record

Date deposited: 09 Mar 2020 17:31
Last modified: 18 Feb 2021 17:09

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Contributors

Author: Adam H. Lewis
Author: Walter Belardi
Author: Chung Che Huang ORCID iD
Author: John R. Hayes
Author: Dan W. Hewak ORCID iD
Author: Pier J.A. Sazio ORCID iD

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