Misalignment limits for a singlemode-multimode-singlemode fiber-based edge filter

Agus Muhamad Hatta*, Gerald Farrell, Pengfei Wang, Yuliya Semenova

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Misalignment effects on the spectral characteristics of edge filters based on singlemode-multimode-singlemode (SMS) fibre structures are investigated numerically and experimentally. A modal propagation analysis is used with a set of guided modes calculated using the finite-difference method to determine the transmission loss of the SMS-based edge filters. A limit for the tolerable misalignment of the SMS fiber-based edge filter is proposed, beyond which the spectral performance of the SMS structure degrades unacceptably. The numerical results are verified experimentally with good agreement.

Original languageEnglish
Pages (from-to)2482-2488
Number of pages7
JournalJournal of Lightwave Technology
Issue number13
Publication statusPublished - 1 Jul 2009


  • Edge filter
  • Multimode interference
  • Optical fibers


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