Publication date
2012/12/13
Conference
Photonics Global Conference (PGC), 2012
Pages
1-3
Publisher
IEEE
Abstract
Suspended-core fiber (SCF) represents a promising class of
microstructured optical fibers for sensing applications. In this work,
we present a thorough modal analysis of the SCF based modal
interferometer which is constructed by splicing 50 mm of SCF to single
mode fiber at both ends. The measured transmission spectrum exhibits
three-beam interference-like spectrum. In the modal analysis, we
investigate the intermodal coupling between the fundamental and
higher-order modes, as well as the coupling between the orthogonal
polarizations in the fundamental modes. In comparison with the typical
two-mode interferences in photonic crystal fiber interferometers, the
measured spectrum of SCF interferometer has distinctively sharper
spectrum for high resolution and high dynamic range application.
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