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Numerical study of nonlinear interactions in a multimode waveguide

Numerical study of nonlinear interactions in a multimode waveguide
Numerical study of nonlinear interactions in a multimode waveguide
Multimode nonlinear pulse propagation within a Ta2O5 rectangular rib waveguide has been numerically simulated. The study provides information relating to both the localized spectral evolution along the waveguide and the transverse spectral variation across the guide. The results explain measurements from our previous near-field scanning microscopy experiments that were designed to map continuum generation along and across such waveguides, and that deviated significantly from simple theory. The simulations predict an increased nonlinear phase modulation compared to that occurring in nonlinear single-mode waveguides, due to intermodal nonlinear effects such as cross-phase modulation, leading to an enhanced spectral broadening.
1094-4087
9040-9047
Chaipiboonwong, T.
d2793012-1f29-4ffc-a196-9948d46ce47d
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Chaipiboonwong, T.
d2793012-1f29-4ffc-a196-9948d46ce47d
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Mills, J.D.
3b139ebc-5875-4367-80e6-f7e94cf2d6a8
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67

Chaipiboonwong, T., Horak, P., Mills, J.D. and Brocklesby, W.S. (2007) Numerical study of nonlinear interactions in a multimode waveguide. Optics Express, 15 (14), 9040-9047.

Record type: Article

Abstract

Multimode nonlinear pulse propagation within a Ta2O5 rectangular rib waveguide has been numerically simulated. The study provides information relating to both the localized spectral evolution along the waveguide and the transverse spectral variation across the guide. The results explain measurements from our previous near-field scanning microscopy experiments that were designed to map continuum generation along and across such waveguides, and that deviated significantly from simple theory. The simulations predict an increased nonlinear phase modulation compared to that occurring in nonlinear single-mode waveguides, due to intermodal nonlinear effects such as cross-phase modulation, leading to an enhanced spectral broadening.

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More information

e-pub ahead of print date: 9 July 2007

Identifiers

Local EPrints ID: 65747
URI: https://eprints.soton.ac.uk/id/eprint/65747
ISSN: 1094-4087
PURE UUID: 300b8cae-26d5-48ff-b1d7-a38f98913d64
ORCID for P. Horak: ORCID iD orcid.org/0000-0002-8710-8764
ORCID for W.S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712

Catalogue record

Date deposited: 20 Mar 2009
Last modified: 06 Jun 2018 13:12

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