Narrow-bandwidth all-fiber acoustooptic tunable filter with low polarization-sensitivity

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We demonstrate a narrow-bandwidth acoustooptic tunable filter with very low polarization-sensitivity using a dispersion-compensating fiber that has a large group index difference between the core and the cladding modes with a specific stress distribution. The 3-dB bandwidth of the filter is 0.8 nm with the interaction length of 10 cm, and the polarization-dependent center-wavelength splitting is 0.04 nm at the wavelength around 1550 nm. The origin of the low polarization-dependence is successfully explained through the analysis on the stress field in the fiber.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2005-12
Language
English
Article Type
Article
Keywords

REFRACTIVE-INDEX; OPTICAL-FIBER; STRESS; PROFILE

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.17, no.12, pp.2646 - 2648

ISSN
1041-1135
DOI
10.1109/LPT.2005.859152
URI
http://hdl.handle.net/10203/19892
Appears in Collection
PH-Journal Papers(저널논문)
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