Bae, J Chun, J Lee, SB 2024-01-21T13:09:25Z 2024-01-21T13:09:25Z 2021-09-04 2000-12 0021-4922 https://pubs.kist.re.kr/handle/201004/140912 We propose a new modeling technique for long-period fiber gratings. The proposed model which has a multipoint lattice filter configuration is useful in analyzing (or synthesizing) piecewise-uniform long-period fiber gratings when the spectrum band of interest is wide or when each uniform section is in a different coupled mode. The validity of the proposed model is confirmed by comparing the calculated spectrum curves with the measured ones. English INST PURE APPLIED PHYSICS Multiport lattice filter model for long-period fiber gratings Article 10.1143/JJAP.39.6576 1 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, v.39, no.12A, pp.6576 - 6577 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS 39 12A 6576 6577 scie scopus 000166820100020 2-s2.0-0034470892 Physics, Applied Physics Article long-period fiber gratings lattice filter coupled mode equation