Crosstalk in rectangular cross-section heterogeneous multicore fiber

Olga N. Egorova; Maxim S. Astapovich; Sergey L. Semjonov

doi:10.1117/1.OE.55.9.090507

22 September 2016 Crosstalk in rectangular cross-section heterogeneous multicore fiber

Olga N. Egorova, Maxim S. Astapovich, Sergey L. Semjonov

Author Affiliations +

Optical Engineering, Vol. 55, Issue 9, 090507 (September 2016). https://doi.org/10.1117/1.OE.55.9.090507

Abstract

Using neighboring cores with different mode propagation constants (indexes) is a well-known way to reduce crosstalk in multicore fiber (MCF). However, in actual field-deployed fiber, random bends can cause a reduction in the difference between the mode indexes of neighboring cores, which consequently increases crosstalk. The level of crosstalk induced by bending in both rectangular cross-section and circular cross-section heterogeneous MCF with cores arranged in a line was investigated. The experimental results obtained indicate that in contrast to circular cross-section MCF, no bending-induced crosstalk occurs in rectangular cross-section MCF wound on the mandrel without special control of cross-section orientation. Thus, to eliminate undesirable bending-induced crosstalk in heterogeneous MCF a rectangular cross-section should be employed.

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Olga N. Egorova, Maxim S. Astapovich, and Sergey L. Semjonov "Crosstalk in rectangular cross-section heterogeneous multicore fiber," Optical Engineering 55(9), 090507 (22 September 2016). https://doi.org/10.1117/1.OE.55.9.090507

Published: 22 September 2016

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