Highly efficient all-fiber tunable polarization filter using torsional acoustic wave

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We demonstrate an all-fiber tunable polarization filter with high coupling efficiency based on acousto-optic coupling between two optical polarization modes of the LP01 mode propagating in a highly birefringent single mode optical fiber. An over-coupling between the two polarization modes is realized over the wavelength range from 1530 nm to 1610 nm using traveling torsional acoustic wave. The measured 3-dB optical bandwidth of the filter was 4.8 nm at the wavelength around 1550 nm. The details of the filter transmission and the coupling characteristics are discussed. (c) 2007 Optical Society of America.
Publisher
OPTICAL SOC AMER
Issue Date
2007-09
Language
English
Article Type
Article
Keywords

ACOUSTOOPTIC DEVICES; FREQUENCY SHIFTER; OPTICAL-FIBERS; NARROW-BAND

Citation

OPTICS EXPRESS, v.15, pp.12362 - 12367

ISSN
1094-4087
DOI
10.1364/OE.15.012362
URI
http://hdl.handle.net/10203/20956
Appears in Collection
PH-Journal Papers(저널논문)
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