Modelling pulse compression in BBO using cascaded nonlinearity: the effects of self-steepening in quadratic media
Modelling pulse compression in BBO using cascaded nonlinearity: the effects of self-steepening in quadratic media
In a χ(2) material such as BBO, third order nonlinear effects can occur efficiently via a cascaded nonlinearity where light is rapidly converted from the fundamental to the second harmonic and back again with an intensity dependant phase shift. This cascaded nonlinearity has been used to demonstrate a wide range of χ(3) effects such as soliton propagation and compression. Here we study soliton-like pulse compression in a BBO crystal of 100fs input pulses looking to see the minimum pulse duration that can be obtained. Included for the first time in a systematic study is the χ(2) self steepening term[1] which we have found plays a significant role in the pulse dynamics.
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Price, J.H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Praeger, M.
84575f28-4530-4f89-9355-9c5b6acc6cac
June 2007
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Price, J.H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Praeger, M.
84575f28-4530-4f89-9355-9c5b6acc6cac
Broderick, N.G.R., Price, J.H.V. and Praeger, M.
(2007)
Modelling pulse compression in BBO using cascaded nonlinearity: the effects of self-steepening in quadratic media.
Conference on Lasers and Electro-Optics (CLEO)-Europe/International Quantum Electronics Conference (IQEC) 2007, , Munich, Germany.
16 - 21 Jun 2007.
1 pp
.
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Conference or Workshop Item
(Paper)
Abstract
In a χ(2) material such as BBO, third order nonlinear effects can occur efficiently via a cascaded nonlinearity where light is rapidly converted from the fundamental to the second harmonic and back again with an intensity dependant phase shift. This cascaded nonlinearity has been used to demonstrate a wide range of χ(3) effects such as soliton propagation and compression. Here we study soliton-like pulse compression in a BBO crystal of 100fs input pulses looking to see the minimum pulse duration that can be obtained. Included for the first time in a systematic study is the χ(2) self steepening term[1] which we have found plays a significant role in the pulse dynamics.
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Published date: June 2007
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CD4-6-Wed
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Conference on Lasers and Electro-Optics (CLEO)-Europe/International Quantum Electronics Conference (IQEC) 2007, , Munich, Germany, 2007-06-16 - 2007-06-21
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Local EPrints ID: 47814
URI: http://eprints.soton.ac.uk/id/eprint/47814
PURE UUID: e388407d-307e-4e5c-a0b0-57460b7948b3
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Date deposited: 13 Aug 2007
Last modified: 09 Jan 2022 03:30
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Author:
N.G.R. Broderick
Author:
J.H.V. Price
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