Possibilities Of Optically Non Linear Thin Films

Marc De Micheli; Joseph Zyss; Alain Azema

doi:10.1117/12.935522

28 November 1983 Possibilities Of Optically Non Linear Thin Films

Marc De Micheli, Joseph Zyss, Alain Azema

Proceedings Volume 0401, Thin Film Technologies I; (1983) https://doi.org/10.1117/12.935522
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland

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.

Citation Download Citation

Marc De Micheli, Joseph Zyss, and Alain Azema "Possibilities Of Optically Non Linear Thin Films", Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); https://doi.org/10.1117/12.935522

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