Characterizing the variation of propagation constants in multicore fiber

Peter J. Mosley, Itandehui Gris-Sánchez, James M. Stone, Robert J A Francis-Jones, Douglas J. Ashton, Tim A. Birks

Research output: Contribution to journalArticle

12 Citations (Scopus)
141 Downloads (Pure)

Abstract

We demonstrate a numerical technique that can evaluate the core-to-core variations in propagation constant in multicore fiber. Using a Markov Chain Monte Carlo process, we replicate the interference patterns of light that has coupled between the cores during propagation. We describe the algorithm and verify its operation by successfully reconstructing target propagation constants in a fictional fiber. Then we carry out a reconstruction of the propagation constants in a real fiber containing 37 single-mode cores. We find that the range of fractional propagation constant variation across the cores is approximately ±2×10-5.

Original languageEnglish
Pages (from-to)25689-25699
Number of pages11
JournalOptics Express
Volume22
Issue number21
Early online date14 Oct 2014
DOIs
Publication statusPublished - 20 Oct 2014

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