Open AccessOptimal design of 4LP-mode multicore fibers for high spatial multiplicity
Author(s) -
Yuki Tobita,
Takeshi Fujisawa,
Taiji Sakamoto,
Takashi Matsui,
Setsuo Saitoh,
Katsuhiro Takenaga,
Kazuhiko Aikawa,
Shinichi Aozasa,
Kazuhide Nakajima,
Kunimasa Saitoh
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.005697
Subject(s) - cladding (metalworking) , homogeneous , optics , materials science , cladding mode , lattice (music) , optical fiber , polarization maintaining optical fiber , composite material , physics , acoustics , fiber optic sensor , statistical physics
High spatial multiplicity fiber designs are presented for homogeneous and heterogeneous 4LP-mode multicore fibers (MCFs) that support six spatial modes per core. The high-spatial-density 4LP-mode MCF design methodology is explained in detail. The influence of the number of cores on the cladding diameter (D cl ) and relative core multiplicity factor (RCMF) is investigated. The optimal core designs and MCF layouts with square and triangular lattices maintain glass fiber reliability (maximum D cl = 250 μm). For homogeneous 4LP-mode MCFs, a 19-core triangular-lattice fiber gives the highest RCMF of 61.7. For heterogeneous 4LP-mode MCFs, an RCMF of 65.4 is obtained for a 21-core square-lattice fiber.