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Proceedings Paper

Possibilities Of Optically Non Linear Thin Films
Author(s): Marc De Micheli; Joseph Zyss; Alain Azema
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Paper Abstract

Efficient integrated frequency doubling devices transparent in the visible and near I.R. are demanded by a number of applications. The optimization of both wave interaction configurations and material intrinsic nonlinear susceptibility are successively discussed within this scope. Basic features such as power confinement, interaction length dependence, phase matching techniques, underlying the second harmonic generation conversion rate in bulk and waveguided structures are compared. Undoped Ga As film epitaxied over n+ doped Ga As substrate and TIPE Lithium Lobate waveguides exemplify the possibilities of non linear thin films. The higher non linear susceptibility of certain organic molecular single crys-tals should help raise the efficiency of doubling devices. We report the definition and bulk performances of two non linear organic crystals, namely POM (3-methyl-4 nitropyridine-1-oxyde) and MAP (methyl-(2,4-dinitropheny1)-aminopropanoate) with a figure of merit up to one order of magnitude above that of Li Nb 03. The combination of organic materials and waveguided configuration should lead to a new generation of non linear devices.

Paper Details

Date Published: 28 November 1983
PDF: 10 pages
Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); doi: 10.1117/12.935522
Show Author Affiliations
Marc De Micheli, Institut fur Physikalische Messtechnik (R.F.A.)
Joseph Zyss, Centre National d'Etude des Telecommunications (R.F.A.)
Alain Azema, Laboratoire d'Electrooptique (France)

Published in SPIE Proceedings Vol. 0401:
Thin Film Technologies I
J. Roland Jacobsson, Editor(s)

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