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Proceedings Paper

Time Resolved Study Of A Bistable Silicon SEED Operating As A Logical AND-Gate
Author(s): T. Brand; H. J. Eichler; B. Smandek
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Paper Abstract

We determined switching times vs. excess power of a thermooptical bistable self-electro-optic effect device (SEED), operating as a logical AND gate. The transient behaviour is mainly determined by heat diffusion in the sample. Observed switching times are compared with a numerical solution of the heat diffusion equation. It is shown, that the frequently used relaxation-time-approximation, with its assumption of a constant relaxation time, is in good agreement with the experimental data only in the "ON-switching" mode of the SEED-element. For the "OFF-switching" of the device, the change of the shape of the transversal temperature profile has to be taken into account.

Paper Details

Date Published: 8 March 1989
PDF: 7 pages
Proc. SPIE 1017, Nonlinear Optical Materials, (8 March 1989);
Show Author Affiliations
T. Brand, Technische Universitat Berlin (FRG)
H. J. Eichler, Technische Universitat Berlin (FRG)
B. Smandek, Technische Universitat Berlin (FRG)


Published in SPIE Proceedings Vol. 1017:
Nonlinear Optical Materials
Gerald Roosen, Editor(s)

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