In this paper, we report the results of the analysis and experimentation on a thin-film surface-stabilized ferroelectric liquid-crystal (SSFLC) electro-optic waveguide switch. The optical coupling between a pair of planar waveguides is controlled by application of voltage to SSFLC film. The switch design, carried out by using beam propagation method (BPM) technique, has shown that a coupling length less than 60 /spl mu/m with a crosstalk of about -21 dB with a refractive index change at the surface /spl Delta/n=0.013, a FLC layer with a thickness of 2 /spl mu/m and cone axis tilted at about 19/spl deg/ from the propagation direction of the lightwave.

Design and Demonstration of a Vertical SSFLC Coupler Switch

CIMINELLI, Caterina;D'ORAZIO, Antonella;PETRUZZELLI, Vincenzo;
1998

Abstract

In this paper, we report the results of the analysis and experimentation on a thin-film surface-stabilized ferroelectric liquid-crystal (SSFLC) electro-optic waveguide switch. The optical coupling between a pair of planar waveguides is controlled by application of voltage to SSFLC film. The switch design, carried out by using beam propagation method (BPM) technique, has shown that a coupling length less than 60 /spl mu/m with a crosstalk of about -21 dB with a refractive index change at the surface /spl Delta/n=0.013, a FLC layer with a thickness of 2 /spl mu/m and cone axis tilted at about 19/spl deg/ from the propagation direction of the lightwave.
9th Mediterranean Electrotechnical Conference, MELECON '98
0-7803-3879-0
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/17280
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