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Low Loss Splice of Single-Mode-Fibers Using Tapered Velocity Couplers

Yoshihisa YAMAMOTO, Yujiro NARUSE, Takeshi KAMIYA, Hisayoshi YANAI

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Summary :

The performance of the tapered velocity coupler for single mode fibers is investigated theoretically and experimentally. An improved analytical solution convenient for analyzing and designing the tapered velocity couplers is derived. The mode cross-talk in the tapered region and the mode conversion loss due to the discontinuity at the ends of the fibers are measured and are compared with the theoretical results. Simultaneous shaping of the multiple single mode fibers into tapered structure is successfully realized and a low loss splicing (less than 0.2 dB) is achieved either by using adhesives or by the thermal fusion technique.

Publication
IEICE TRANSACTIONS on transactions Vol.E62-E No.1 pp.11-17
Publication Date
1979/01/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Optical and Quantum Electronics

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