Phase-matched second-harmonic generation in χ ⁽²⁾ -inverted Langmuir-Blodgett waveguide structures

11 November 1993

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 29 (23) , 2033-2034
https://doi.org/10.1049/el:19931357

Abstract

Phase-matched second-harmonic generation by mode conversion in a new waveguide structure fabricated by the Langmuir-Blodgett (LB) technique is demonstrated. The nonlinear optically active part of the waveguide consists of two LB layers with opposite sign to the nonlinear optical coefficient d₃₃. This configuration leads to a large improvement of the overlap integral as compared to conventional waveguides. In first experiments conversionefficiencies up to l%W¹cm²have been obtained.

Keywords

NONLINEAR OPTICAL COEFFICIENT
PHASE-MATCHED SECOND-HARMONIC GENERATION
CONVERSION EFFICIENCIES
Χ(2)-INVERTED LANGMUIR-BLODGETT WAVEGUIDE STRUCTURES
NONLINEAR OPTICALLY ACTIVE PART
MODE CONVERSION
INTEGRATED OPTICS
OVERLAP INTEGRAL

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Phase-matched second-harmonic generation in χ (2) -inverted Langmuir-Blodgett waveguide structures

Abstract

Keywords

Phase-matched second-harmonic generation in χ ⁽²⁾ -inverted Langmuir-Blodgett waveguide structures