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Terahertz switch and polarization controller based on photonic crystal fiber

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Abstract

Theoretical studies on liquid crystal filled photonic crystal fiber (LC-PCF) are presented. The effects of electric birefringence of liquid crystal (LC) in the LC-PCF and the transmitting properties of photonic crystal fiber (PCF) are investigated by using the full vector plane wave expansion and beam propagation method. The simulation results show that the electrically controlled LC-PCF can act as not only a terahertz (THz) switch with about 0.55 THz bandwidth, but also a tunable polarization controller for changing the polarization state of the fundamental mode.

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Correspondence to ShengJiang Chang.

Additional information

HOU Yu was born in 1984. He received the B.S. degree in electronic science and technology in 2007, and the M.Sc. Degree in circuits and systems in 2010, both from Yanshan University, Qinhuangdao, Currently, he is a Ph.D. student in Nankai University. His research interests include numerical modeling of THz fibers and THz waveguide devices.

CHANG ShengJiang was born in 1965. He received his B.S. degree in physics in 1987, and his M.S. and Ph.D. degrees in optical Engineering in 1993 and 1996, respectively. He is now working as a professor at Nankai University and his research interests include terahertz technology and science, optical information processing, and laser technique. Dr. Chang is a member of the optical society of China.

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Hou, Y., Fan, F., Wang, X. et al. Terahertz switch and polarization controller based on photonic crystal fiber. Sci. China Inf. Sci. 55, 106–113 (2012). https://doi.org/10.1007/s11432-011-4486-2

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  • DOI: https://doi.org/10.1007/s11432-011-4486-2

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