Use of modal interference for probing birefringence induced in a bent optical fiber

Tien Jung Chen*, Yi-Hsin Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We report a novel method that utilizes two lowest-order modes, HE 11 and TE01, to probe birefringence induced in a bent circular-core optical fiber. The interference patterns of the two modes are examined by using a polarizer at the fiber output end. The contrast that is extracted from the interference pattern is periodically modulated as a function of phase retardation between the two modes, while the shift of the contrast function shows a strong dependence on the fiber birefringence as the polarizer rotates. Theoretical description followed by the test results demonstrates the feasibility of the method.

Original languageEnglish
Pages (from-to)3231-3233
Number of pages3
JournalOptics Letters
Volume31
Issue number22
DOIs
StatePublished - 15 Nov 2006

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