Highly efficient all-fiber tunable polarization filter using torsional acoustic wave.
- Published Article
The Optical Society
- Publication Date
Sep 17, 2007
We demonstrate an all-fiber tunable polarization filter with high coupling efficiency based on acousto-optic coupling between two optical polarization modes of the LP(01) 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.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/19547605