Investigation of a polarization controller in Ti:LiNbO3 near 1530nm wavelength

The results of analytical and experimental investigations for an electro-optic polarization controller are reported. A device configuration composed of two polarization converters with a phase shifter centered between them and all integrated over a single Ti diffused channel waveguide on LiNbO3 is u...

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Bibliographic Details
Published in:Optics communications 2015-01, Vol.335, p.199-204
Main Authors: Sung, W.J., Kim, J., Madsen, C.K., Eknoyan, O.
Format: Article
Language:English
Subjects:
Lithium niobate
Phase shifter
Polarization controller
Polarization converter
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Summary:The results of analytical and experimental investigations for an electro-optic polarization controller are reported. A device configuration composed of two polarization converters with a phase shifter centered between them and all integrated over a single Ti diffused channel waveguide on LiNbO3 is used. Polarization control is achieved by applying voltages on the three integrated elements independently to adjust the phase difference between orthogonal TE and TM components of a guided optical wave as well as their relative strength. Experimental results agree with analytical predictions. For arbitrary incident polarization, endless polarization transformation can be realized at the output.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2014.09.039