25 September 2013 Er3+-doped fiber-based Mach-Zehnder interferometer with mechanically induced long-period fiber gratings
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There are a few semi-conductor, multiple-wavelength, high-performance sources already available for ITU-T channel generation in DWDM systems. The 200 Ghz barrier has imposed a limitation to such sources. An option for overcoming such a limitation is a super-continuum, all fibre source working in the amplified spontaneous emission regime. Furthermore, in this work we propose an Er-doped fiber based Mach-Zehnder interferometer, made with mechanicallyinduced, long-period fiber gratings, which generate a fringe pattern ranging from 1450 to 1650 nm. These characteristics are of great interest for the development of all-fiber devices that could produce and even select a few channels in the 1550nm region, the transmission window of interest for ultra-long haul optical communication systems. A full set of optical characterization and results will be included in the presentation.
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G. Pérez-Sánchez, G. Pérez-Sánchez, J. A. Alvarez-Chavez, J. A. Alvarez-Chavez, "Er3+-doped fiber-based Mach-Zehnder interferometer with mechanically induced long-period fiber gratings", Proc. SPIE 8841, Current Developments in Lens Design and Optical Engineering XIV, 88410S (25 September 2013); doi: 10.1117/12.2022446; https://doi.org/10.1117/12.2022446

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