Cladding-mode coupling characteristics of Bragg gratings in depressed-cladding fibre

Hewlett, S. J.; Love, J. D.; Meltz, G.; Bailey, T. J.; Morey, W. W.

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Cladding-mode coupling characteristics of Bragg gratings in depressed-cladding fibre

Date

1995-05-11

Authors

Abstract

Experimental transmission spectra of UV-written Bragg gratings in depressed-cladding fibre are characterised. The fine-structure features on the short-wavelength side of the fundamental Bragg line are shown to be due to coupling between the LP01 and higher-order LPon and LP1n modes.