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High-nonlinearity dispersion-shifted lead-silicate holey fibers for efficient 1-µm pumped supercontinuum generation

High-nonlinearity dispersion-shifted lead-silicate holey fibers for efficient 1-µm pumped supercontinuum generation
High-nonlinearity dispersion-shifted lead-silicate holey fibers for efficient 1-µm pumped supercontinuum generation
This paper reports on the recent progress in the design and fabrication of high-nonlinearity lead-silicate holey fibers (HFs). First, the fabrication of a fiber designed to offer close to the maximum possible nonlinearity per unit length in this glass type is described. A value of gamma = 1860 W-1 · km-1 at a wavelength of 1.55 µm is achieved, which is believed to be a record for any fiber at this wavelength. Second, the design and fabrication of a fiber with a slightly reduced nonlinearity but with dispersion-shifted characteristics tailored to enhance broadband supercontinuum (SC) generation when pumped at a wavelength of 1.06 µm - a wavelength readily generated using Yb-doped fiber lasers - are described. SC generation spanning more than 1000 nm is observed for modest pulse energies of ~ 100 pJ using a short length of this fiber. Finally, the results of numerical simulations of the SC process in the proposed fibers are presented, which are in good agreement with the experimental observations and highlight the importance of accurate control of the zero-dispersion wavelength (ZDW) when optimizing such fibers for SC performance.
0733-8724
183-190
Leong, J.Y.Y.
b353dd5a-ef2c-43c2-9187-3d2a2590c69c
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Price, J.H.V.
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Ebendorff-Heidepriem, H.
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Asimakis, S.
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Moore, R.C.
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Frampton, K.E.
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Finazzi, V.
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Feng, X.
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Monro, T.M.
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Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Leong, J.Y.Y.
b353dd5a-ef2c-43c2-9187-3d2a2590c69c
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Price, J.H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Ebendorff-Heidepriem, H.
e3e2475c-2377-47ff-a544-f723c2e61aca
Asimakis, S.
5cb59ea2-f56c-4f1b-ad0a-864a0380fd42
Moore, R.C.
a7d68363-4127-4f7b-9da4-ef66d19ab327
Frampton, K.E.
b999e26e-12bf-4fb5-adbb-6a7957bc6250
Finazzi, V.
bcd436d6-27e8-45c2-8dab-4e32d547498b
Feng, X.
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Monro, T.M.
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Richardson, D.J.
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Leong, J.Y.Y., Petropoulos, P., Price, J.H.V., Ebendorff-Heidepriem, H., Asimakis, S., Moore, R.C., Frampton, K.E., Finazzi, V., Feng, X., Monro, T.M. and Richardson, D.J. (2006) High-nonlinearity dispersion-shifted lead-silicate holey fibers for efficient 1-µm pumped supercontinuum generation. IEEE Journal of Lightwave Technology, 24 (1), 183-190. (doi:10.1109/JLT.2005.861114).

Record type: Article

Abstract

This paper reports on the recent progress in the design and fabrication of high-nonlinearity lead-silicate holey fibers (HFs). First, the fabrication of a fiber designed to offer close to the maximum possible nonlinearity per unit length in this glass type is described. A value of gamma = 1860 W-1 · km-1 at a wavelength of 1.55 µm is achieved, which is believed to be a record for any fiber at this wavelength. Second, the design and fabrication of a fiber with a slightly reduced nonlinearity but with dispersion-shifted characteristics tailored to enhance broadband supercontinuum (SC) generation when pumped at a wavelength of 1.06 µm - a wavelength readily generated using Yb-doped fiber lasers - are described. SC generation spanning more than 1000 nm is observed for modest pulse energies of ~ 100 pJ using a short length of this fiber. Finally, the results of numerical simulations of the SC process in the proposed fibers are presented, which are in good agreement with the experimental observations and highlight the importance of accurate control of the zero-dispersion wavelength (ZDW) when optimizing such fibers for SC performance.

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Published date: 2006
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 38431
URI: https://eprints.soton.ac.uk/id/eprint/38431
ISSN: 0733-8724
PURE UUID: 96dabdab-4dfa-4698-9b67-e08e3a33f835
ORCID for P. Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for J.H.V. Price: ORCID iD orcid.org/0000-0003-0256-9172
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 08 Jun 2006
Last modified: 03 Dec 2019 02:05

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Contributors

Author: J.Y.Y. Leong
Author: P. Petropoulos ORCID iD
Author: J.H.V. Price ORCID iD
Author: H. Ebendorff-Heidepriem
Author: S. Asimakis
Author: R.C. Moore
Author: K.E. Frampton
Author: V. Finazzi
Author: X. Feng
Author: T.M. Monro
Author: D.J. Richardson ORCID iD

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