Analysis of two parallel long-period fiber gratings

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)1358-1366
Journal / PublicationJournal of Lightwave Technology
Volume22
Issue number5
Publication statusPublished - May 2004

Abstract

A wavelength-selective coupler constructed with two parallel identical uniform long-period fiber gratings (LPFGs) is analyzed by the coupled-mode theory. The effects of introducing a longitudinal offset distance between the two gratings on the transmission characteristics of the coupler are discussed and the conditions for achieving a 100% coupling efficiency are highlighted. It is found that 100% coupling can be achieved with a practical grating length by using a proper grating design and a suitable index-matching surrounding medium. The theoretical results agree well with the experimental data. © 2004 IEEE.

Citation Format(s)

Analysis of two parallel long-period fiber gratings. / Chiang, Kin Seng; Chan, Florence Yuen Ming; Ng, Mei Nar.

In: Journal of Lightwave Technology, Vol. 22, No. 5, 05.2004, p. 1358-1366.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review