Novel all-fiber bandpass filter based on hollow optical fiber

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, K. Oh

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

We report an in-line all-fiber bandpass filter based on a hollow optical fiber (HOF) core mode blocker along with a long-period fiber grating (LPG) pair. It is theoretically and experimentally confirmed that selective core mode blocking at the HOF region located in the middle of the LPG pair could provide efficient passband channels corresponding to the resonant wavelengths of the LPGs. The filter characteristics in passbands and the nearfield patterns of guided modes in the proposed device are discussed.

Original languageEnglish
Pages (from-to)1701-1703
Number of pages3
JournalIEEE Photonics Technology Letters
Volume14
Issue number12
DOIs
Publication statusPublished - 2002 Dec

Bibliographical note

Funding Information:
Manuscript received July 8, 2002; revised August 14, 2002. This work was supported in part by the KOSEF through the UFON Research Center, the MOE through the BK21 Program, and ITRC-CHOAN Program. The authors are with the Department of Information and Communications, Kwangju Institute of Science and Technology (K-JIST), Kwangju 500-712, South Korea (e-mail: koh@kjist.ac.kr). Digital Object Identifier 10.1109/LPT.2002.804658

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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