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Separation of photonic crystal waveguides modes using femtosecond time-of-flight

Netti, M.C., Finlayson, C.E., Baumberg, J.J., Charlton, M.D.B., Zoorob, M.E., Wilkinson, J.S. and Parker, G.J. (2002) Separation of photonic crystal waveguides modes using femtosecond time-of-flight Applied Physics Letters, 81, (21), pp. 3927-3929. (doi:10.1063/1.1520709).

Record type: Article


We demonstrate that ultrabroadband ultrashort-pulse white light supercontinua can be used to track the group velocity of photons in optical waveguides using a Kerr gate technique. Results on silicon nitride slab waveguides show both polarization birefringence and multimode dispersion, which vanish at critical wavelengths. When photonic crystals are embedded in the waveguides, the higher order modes are excited within the band-gap region, demonstrating the need to control their dispersion to make effective use of photonic crystal waveguide devices.

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Published date: 2002


Local EPrints ID: 57516
ISSN: 0003-6951
PURE UUID: c744136c-7bc5-43a2-8de2-859672a459a7
ORCID for J.S. Wilkinson: ORCID iD

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Author: M.C. Netti
Author: C.E. Finlayson
Author: J.J. Baumberg
Author: M.D.B. Charlton
Author: M.E. Zoorob
Author: J.S. Wilkinson ORCID iD
Author: G.J. Parker

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