Title

Hole-Assisted Few-Mode Multicore Fiber for High-Density Space-Division Multiplexing

Authors

Authors

C. Xia; R. Amezcua-Correa; N. Bai; E. Antonio-Lopez; D. M. Arrioja; A. Schulzgen; M. Richardson; J. Linares; C. Montero; E. Mateo; X. Zhou;G. F. Li

Comments

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Abbreviated Journal Title

IEEE Photonics Technol. Lett.

Keywords

Optical crosstalk; optical fiber communication; optical fiber testing; optical fibers; space division multiplexing; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

A seven-core few-mode multicore fiber in which each core supports both the LP01 mode and the two degenerate LP11 modes has been designed and fabricated for the first time, to the best of our knowledge. The hole-assisted structure enables low inter-core crosstalk and high mode density at the same time. LP01 inter-core crosstalk has been measured to be lower than -60 dB/km. LP11 inter-core crosstalk has been measured to be around -40 dB/km using a different setup. The LP11 free-space excitation-induced crosstalk is simulated and analyzed. This fiber allows multiplexed transmission of 21 spatial modes per polarization per wavelength. Data transmission in LP01/LP11 mode over 1 km of this fiber has been demonstrated with negligible penalty.

Journal Title

Ieee Photonics Technology Letters

Volume

24

Issue/Number

21

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

1914

Last Page

1917

WOS Identifier

WOS:000310140000005

ISSN

1041-1135

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