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Imaginary‐distance beam‐propagation method based on Yee's mesh in cylindrical coordinates
Author(s) -
Ito Masato,
Shibayama Jun,
Yamauchi Junji,
Nakano Hisamatsu
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31439
Subject(s) - beam propagation method , cladding (metalworking) , cylindrical coordinate system , mathematical analysis , physics , optics , beam (structure) , eigenmode expansion , geometry , mathematics , acoustics , normal mode , materials science , refractive index , metallurgy , vibration
An imaginary‐distance beam‐propagation method based on Yee's mesh (ID‐YM‐BPM) is developed in cylindrical coordinates, in which the mode number of the eigenmode field is strictly considered. The ID‐YM‐BPM is second‐order accurate with respect to the spatial mesh size. A segmented cladding fiber is analyzed, showing good agreement with other methods.