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Proceedings Paper

Recent developments in bend-insensitive and ultra-bend-insensitive fibers
Author(s): David Boivin; Louis-Anne de Montmorillon; Lionel Provost; Nelly Montaigne; Frans Gooijer; Eugen Aldea; Jaap Jensma; Pierre Sillard
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Paper Abstract

Designed to overcome the limitations in case of extreme bending conditions, Bend- and Ultra-Bend-Insensitive Fibers (BIFs and UBIFs) appear as ideal solutions for use in FTTH networks and in components, pigtails or patch-cords for ever demanding applications such as military or sensing. Recently, however, questions have been raised concerning the Multi-Path-Interference (MPI) levels in these fibers. Indeed, they are potentially subject to interferences between the fundamental mode and the higher-order mode that is also bend resistant. This MPI is generated because of discrete discontinuities such as staples, bends and splices/connections that occur on distance scales that become comparable to the laser coherent length. In this paper, we will demonstrate the high MPI tolerance of all-solid single-trench-assisted BIFs and UBIFs. We will present the first comprehensive study combining theoretical and experimental points of view to quantify the impact of fusion splices on coherent MPI. To be complete, results for mechanical splices will also be reported. Finally, we will show how the single-trench- assisted concept combined with the versatile PCVD process allows to tightly control the distributions of fibers characteristics. Such controls are needed to massively produce BIFs and to meet the more stringent specifications of the UBIFs.

Paper Details

Date Published: 25 February 2010
PDF: 12 pages
Proc. SPIE 7598, Optical Components and Materials VII, 75980G (25 February 2010); doi: 10.1117/12.841385
Show Author Affiliations
David Boivin, Draka Communications (France)
Louis-Anne de Montmorillon, Draka Communications (France)
Lionel Provost, Draka Communications (France)
Nelly Montaigne, Draka Communications (France)
Frans Gooijer, Draka Communications (Netherlands)
Eugen Aldea, Draka Communications (Netherlands)
Jaap Jensma, Draka Communications (Netherlands)
Pierre Sillard, Draka Communications (France)

Published in SPIE Proceedings Vol. 7598:
Optical Components and Materials VII
Shibin Jiang; Michel J. F. Digonnet; John W. Glesener; J. Christopher Dries, Editor(s)

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