Raman enhanced four-wave mixing in silicon core fibers
Raman enhanced four-wave mixing in silicon core fibers
A strong Raman enhancement to the four-wave mixing (FWM) conversion efficiency is obtained in a silicon core fiber (SCF) when pumped with a continuous-wave (CW) source in the telecom band. By tapering the SCFs to alter the core diameter and length, the role of phase-matching on the conversion enhancement is investigated, with a maximum Raman enhancement of ∼15 dB obtained for an SCF with a zero dispersion wavelength close to the pump. Simulations show that by optimizing the tapered waist diameter to overlap the FWM phase-matching with the peak Raman gain, it is possible to obtain large Raman enhanced FWM conversion efficiencies of up to ∼2 dB using modest CW pump powers over wavelengths covering the extended telecom bands.
1626-1629
Sun, Shiyu
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Huang, Meng
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Wu, Dong
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Shen, Li
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Ren, Haonan
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W. Hawkins, Thomas
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Ballato, John
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Gibson, Ursula
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Mashanovich, Goran
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Peacock, Anna
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1 April 2022
Sun, Shiyu
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Huang, Meng
79b89531-8bb9-4ab8-889a-c85b3b64d684
Wu, Dong
ff00c2a1-7f99-429c-b55e-436da1523704
Shen, Li
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Ren, Haonan
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W. Hawkins, Thomas
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Ballato, John
c4e1d608-0be8-49b7-87c0-dc4913bf7b7f
Gibson, Ursula
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Mashanovich, Goran
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Peacock, Anna
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Sun, Shiyu, Huang, Meng, Wu, Dong, Shen, Li, Ren, Haonan, W. Hawkins, Thomas, Ballato, John, Gibson, Ursula, Mashanovich, Goran and Peacock, Anna
(2022)
Raman enhanced four-wave mixing in silicon core fibers.
Optics Letters, 47 (7), , [451785].
(doi:10.1364/OL.451785).
Abstract
A strong Raman enhancement to the four-wave mixing (FWM) conversion efficiency is obtained in a silicon core fiber (SCF) when pumped with a continuous-wave (CW) source in the telecom band. By tapering the SCFs to alter the core diameter and length, the role of phase-matching on the conversion enhancement is investigated, with a maximum Raman enhancement of ∼15 dB obtained for an SCF with a zero dispersion wavelength close to the pump. Simulations show that by optimizing the tapered waist diameter to overlap the FWM phase-matching with the peak Raman gain, it is possible to obtain large Raman enhanced FWM conversion efficiencies of up to ∼2 dB using modest CW pump powers over wavelengths covering the extended telecom bands.
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Accepted/In Press date: 19 February 2022
e-pub ahead of print date: 18 March 2022
Published date: 1 April 2022
Identifiers
Local EPrints ID: 456222
URI: http://eprints.soton.ac.uk/id/eprint/456222
ISSN: 0146-9592
PURE UUID: 0fa821a4-df7f-4397-bc77-f00080b6758a
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Date deposited: 29 Aug 2023 16:35
Last modified: 29 Oct 2024 02:45
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Contributors
Author:
Shiyu Sun
Author:
Meng Huang
Author:
Dong Wu
Author:
Li Shen
Author:
Haonan Ren
Author:
Thomas W. Hawkins
Author:
John Ballato
Author:
Ursula Gibson
Author:
Goran Mashanovich
Author:
Anna Peacock
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