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Comparative Assessment of Electrical, Photoassisted and All Optical In-plane Poling of Polymer Based Electrooptic Modulators by Ariela Donval; Eric Toussaere; Sophie Brasselet; Joseph Zyss is a Materials Science article available to read on EtoBox.

What is Comparative Assessment of Electrical, Photoassisted and All Optical In-plane Poling of Polymer Based Electrooptic Modulators about?

Electrooptic polymer waveguide devices can be easily achieved by simple spin coating of polymer layers, with a transparent polymeric matrix as the passive buer layer and a side-chain polymer as the active guiding layer. In order to create a non-centrosymmetric EO active material, a classical poling procedure may be adapted, whereby an electrical static ®eld is applied at elevated temperature over the side chain polymer resulting in the polar alignment of the chromophores parallel to the substrate. New poling procedures such as photo-assisted electrical poling (PAP) as well as all optical poling (AOP) are performed by direct illumination of the guiding active layer through the gap between coplanar electrodes. In PAP, the polar order is created by the static electric ®eld acting on the molecules, whereas in alloptical poling the polar order is due to angular non-centrosymmetric hole burning with a multipolar con®guration re ̄ecting the polarization symmetry of the interfering laser beams. We propose in the following a comparative assessment of coplanar electrode phase modulators which have been fabricated by these three poling procedures.

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Author

Ariela Donval; Eric Toussaere; Sophie Brasselet; Joseph Zyss

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0925-3467)

Published

1999

Language

EN

Field

Materials Science (Physical Sciences)