Novel passive polymer waveguides integrated with electro-optically active ferroelectric liquid crystals

David S. Hermann; Giusy Scalia; Claire S. A. Pitois; F. De Marco; K. D'have; Giancarlo Abbate; Mikael Lindgren; Anders Hult

doi:10.1117/1.1403739

1 October 2001 Novel passive polymer waveguides integrated with electro-optically active ferroelectric liquid crystals

David S. Hermann, Giusy Scalia, Claire S. A. Pitois, F. De Marco, K. D'have, Giancarlo Abbate, Mikael Lindgren, Anders Hult

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Optical Engineering, Vol. 40, Issue 10, (October 2001). https://doi.org/10.1117/1.1403739

We report the preparation and characterization of novel isotropic polymer slab waveguides made by photochemical crosslinking, and their integration with a ferroelectric liquid crystal in an integrated electro-optic modulator. The refractive index of the passive copolymer material in the device was controlled by the copolymer composition, and good agreement between measured and calculated effective indices for the guided modes of polymer films was obtained. The active ferroelectric liquid crystal exhibited a refractive index change of ?n?0.10 upon application of an ac voltage of ±30 V, giving an electro-optic modulation of the input TE0-mode with a contrast ratio of 11:1 and only a small polarization conversion into TM output light.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

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David S. Hermann, Giusy Scalia, Claire S. A. Pitois, F. De Marco, K. D'have, Giancarlo Abbate, Mikael Lindgren, and Anders Hult "Novel passive polymer waveguides integrated with electro-optically active ferroelectric liquid crystals," Optical Engineering 40(10), (1 October 2001). https://doi.org/10.1117/1.1403739

Published: 1 October 2001

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