An Inline Core-Cladding Intermodal Interferometer Using a Photonic Crystal Fiber

We propose a simple all-fiber structure based on intermodal interference between a core and a cladding mode of an endlessly single-mode photonic crystal fiber (PCF) section sandwiched between a lead-in and lead-out SMF-28 fiber. We have measured the intermodal dispersion and the polarization-depende...

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Veröffentlicht in:Journal of lightwave technology 2009-09, Vol.27 (17), p.3933-3939
Hauptverfasser: Bock, W.J., Eftimov, T.A., Mikulic, P., Jiahua Chen
Format: Artikel
Sprache:eng
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Zusammenfassung:We propose a simple all-fiber structure based on intermodal interference between a core and a cladding mode of an endlessly single-mode photonic crystal fiber (PCF) section sandwiched between a lead-in and lead-out SMF-28 fiber. We have measured the intermodal dispersion and the polarization-dependent loss (PDL) of the structure. The sensitivities to strain, pressure, and temperature and external refractive index are studied. The interferometer is compared to an interferometer based on LP 01 -LP 02 SMF-28 fiber and to a PCF-based tapered LPG.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2009.2021282