Bandwidth-tunable band-rejection filter based on helicoidal fiber grating pair of opposite helicities

Woojin Shin, Bong Ahn Yu, Young Chul Noh, Jongmin Lee, Do Kyeong Ko, Kyunghwan Oh

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

We have developed a new type of all-fiber band-rejection filter consisting of a helicoidal long-period fiber grating pair of opposite helicities, which provides highly flexible spectral control over the rejection bandwidth. The detailed fabrication method and operation principles of the proposed bandwidth-tunable bandrejection filter are described. The proposed device enables unique rejection bandwidth tuning over more than 14 nm at the rejection level of 15 dB, with low insertion loss and polarization-dependent loss achieved by adjusting torsion stress.

Original languageEnglish
Pages (from-to)1214-1216
Number of pages3
JournalOptics Letters
Volume32
Issue number10
DOIs
Publication statusPublished - 2007 May 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Fingerprint

Dive into the research topics of 'Bandwidth-tunable band-rejection filter based on helicoidal fiber grating pair of opposite helicities'. Together they form a unique fingerprint.

Cite this