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Raman effects in a highly nonlinear holey fiber: amplification and modulation

Raman effects in a highly nonlinear holey fiber: amplification and modulation
Raman effects in a highly nonlinear holey fiber: amplification and modulation
We experimentally demonstrate that a short length of highly nonlinear holey fiber (HF) can be used for strong L+-band (1610~1640nm) Raman amplification and ultra-fast signal modulation. We use a pure silica HF with an effective area of just 2.85µm2 at 1550nm, which yields an effective nonlinearity ~15 times higher than in conventional silica dispersion-shifted fiber. Using a 75m length of this fiber, we obtained internal Raman gains of over 42dB and a noise figure of ~6dB under a forward single pump scheme, and the Raman gain coefficient was experimentally estimated to be 7.6 x 10-14 m/W. Also, an 11dB signal extinction ratio in a Raman induced all-optical modulation experiment was achieved using the same fiber.
0146-9592
424-426
Yusoff, Z.
616f938e-cb24-465a-8584-374249083e61
Lee, J.H.
3b88784a-02e7-4b63-b112-3fdb4e1abf4e
Belardi, W.
d09d8952-9503-4ccc-b696-0d53f7d97732
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Teh, P.C.
1e229dd3-3374-4599-b220-be515ac1ed51
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Yusoff, Z.
616f938e-cb24-465a-8584-374249083e61
Lee, J.H.
3b88784a-02e7-4b63-b112-3fdb4e1abf4e
Belardi, W.
d09d8952-9503-4ccc-b696-0d53f7d97732
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Teh, P.C.
1e229dd3-3374-4599-b220-be515ac1ed51
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Yusoff, Z., Lee, J.H., Belardi, W., Monro, T.M., Teh, P.C. and Richardson, D.J. (2002) Raman effects in a highly nonlinear holey fiber: amplification and modulation. Optics Letters, 27 (6), 424-426. (doi:10.1364/OL.27.000424).

Record type: Article

Abstract

We experimentally demonstrate that a short length of highly nonlinear holey fiber (HF) can be used for strong L+-band (1610~1640nm) Raman amplification and ultra-fast signal modulation. We use a pure silica HF with an effective area of just 2.85µm2 at 1550nm, which yields an effective nonlinearity ~15 times higher than in conventional silica dispersion-shifted fiber. Using a 75m length of this fiber, we obtained internal Raman gains of over 42dB and a noise figure of ~6dB under a forward single pump scheme, and the Raman gain coefficient was experimentally estimated to be 7.6 x 10-14 m/W. Also, an 11dB signal extinction ratio in a Raman induced all-optical modulation experiment was achieved using the same fiber.

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Published date: 2002
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Identifiers

Local EPrints ID: 13789
URI: http://eprints.soton.ac.uk/id/eprint/13789
DOI: doi:10.1364/OL.27.000424
ISSN: 0146-9592
PURE UUID: b84bb47d-d380-43df-bbf9-32e4a2dad98a
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 31 Dec 2004
Last modified: 16 Mar 2024 02:39

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Contributors

Author: Z. Yusoff
Author: J.H. Lee
Author: W. Belardi
Author: T.M. Monro
Author: P.C. Teh
Author: D.J. Richardson ORCID iD

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