Bandwidth control in a hybrid fiber acousto-optic filter

Y. Jung, S. B. Lee, Jhang W. Lee, K. Oh

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


We report a bandwidth variation technique in an acousto-optic filter. Utilizing the adiabatic conversion in both optical and acoustic modes, we obtain a novel hybrid waveguide composed of serial concatenation of single-mode fiber (SMF) and two-mode hollow optical fiber (HOF). On the basis of dissimilarity in the phase-matching conditions and beat-length dispersion in SMF and HOF, the FWHM of the resonant bands is varied from 3.8 to 190 nm near the 1.5-mm region in a single device. Furthermore, we theoretically analyze the acousto-optic coupling among the guided modes in HOF, which shows good agreement with experimental observations.

Original languageEnglish
Pages (from-to)84-86
Number of pages3
JournalOptics Letters
Issue number1
Publication statusPublished - 2005 Jan 1

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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