Bandwidth control in a hybrid fiber acousto-optic filter

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

doi:10.1364/OL.30.000084

Bandwidth control in a hybrid fiber acousto-optic filter

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	84-86
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	1
DOIs	https://doi.org/10.1364/OL.30.000084
Publication status	Published - 2005 Jan 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.30.000084

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AB - 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.

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Bandwidth control in a hybrid fiber acousto-optic filter

Abstract

All Science Journal Classification (ASJC) codes

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