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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 1 — Jan. 1, 2005
  • pp: 84–86

Bandwidth control in a hybrid fiber acousto-optic filter

Y. Jung, S. B. Lee, Jhang W. Lee, and K. Oh  »View Author Affiliations


Optics Letters, Vol. 30, Issue 1, pp. 84-86 (2005)
http://dx.doi.org/10.1364/OL.30.000084


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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-µm 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.

© 2005 Optical Society of America

OCIS Codes
(230.1040) Optical devices : Acousto-optical devices
(230.1150) Optical devices : All-optical devices

Citation
Y. Jung, S. B. Lee, Jhang W. Lee, and K. Oh, "Bandwidth control in a hybrid fiber acousto-optic filter," Opt. Lett. 30, 84-86 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-1-84

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