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Semiconductor optical fibres for nonlinear applications in the mid-infrared

Semiconductor optical fibres for nonlinear applications in the mid-infrared
Semiconductor optical fibres for nonlinear applications in the mid-infrared
Nonlinear silicon photonics in the mid-infrared (mid-IR) is attracting increased interest with applications ranging from broadband telecommunications to sensing and spectroscopy. Recent reports have shown that hydrogenated amorphous silicon (a-Si:H) can exhibit low transmission losses, a high refractive index similar to the crystalline material, an even higher Kerr nonlinearity, though is much cheaper to produce. In this paper we extend the characterization of our a-Si:H core fibres beyond the telecommunications window of ~1.5µm and present the first measurements of the transmission properties up to the edge of the mid-infrared regime. The results show that the nonlinear figure of merit (FOMNL = n2TPAλ) increases dramatically over this region, with FOMNL > 20 around 2µm and above in Fig. 1(a) which open up the possibility of these fibres for nonlinear applications in the mid-IR regime.&more...
Shen, L.
f45b1185-ca40-4af3-8b79-d444dc11dc8f
Healy, N.
26eec85c-8d12-4f21-a67a-022f8dc2daab
Cheng, H.Y.
a3106417-069e-44fe-8327-9b592a9f69ac
Day, T.D.
6a6e51d3-d48e-4082-9ef4-9698172e575b
Badding, J.V.
940f7adb-73df-4f8a-9c46-e47f5425fef0
Peacock, A.C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc
Shen, L.
f45b1185-ca40-4af3-8b79-d444dc11dc8f
Healy, N.
26eec85c-8d12-4f21-a67a-022f8dc2daab
Cheng, H.Y.
a3106417-069e-44fe-8327-9b592a9f69ac
Day, T.D.
6a6e51d3-d48e-4082-9ef4-9698172e575b
Badding, J.V.
940f7adb-73df-4f8a-9c46-e47f5425fef0
Peacock, A.C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc

Shen, L., Healy, N., Cheng, H.Y., Day, T.D., Badding, J.V. and Peacock, A.C. (2014) Semiconductor optical fibres for nonlinear applications in the mid-infrared. Rank Prize Funds Symposium: New Horizons in Non-linear Fibre Optics, United Kingdom. 16 - 19 Jun 2014. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Nonlinear silicon photonics in the mid-infrared (mid-IR) is attracting increased interest with applications ranging from broadband telecommunications to sensing and spectroscopy. Recent reports have shown that hydrogenated amorphous silicon (a-Si:H) can exhibit low transmission losses, a high refractive index similar to the crystalline material, an even higher Kerr nonlinearity, though is much cheaper to produce. In this paper we extend the characterization of our a-Si:H core fibres beyond the telecommunications window of ~1.5µm and present the first measurements of the transmission properties up to the edge of the mid-infrared regime. The results show that the nonlinear figure of merit (FOMNL = n2TPAλ) increases dramatically over this region, with FOMNL > 20 around 2µm and above in Fig. 1(a) which open up the possibility of these fibres for nonlinear applications in the mid-IR regime.&more...

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Published date: June 2014
Venue - Dates: Rank Prize Funds Symposium: New Horizons in Non-linear Fibre Optics, United Kingdom, 2014-06-16 - 2014-06-19
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 367834
URI: https://eprints.soton.ac.uk/id/eprint/367834
PURE UUID: 50c9cc2d-61da-4f30-979c-9075e42aa593
ORCID for A.C. Peacock: ORCID iD orcid.org/0000-0002-1940-7172

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Date deposited: 17 Sep 2014 11:38
Last modified: 27 Feb 2019 01:33

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