Phase-matched second-harmonic generation in a ferroelectric liquid crystal waveguide

Details Phase-matched second-harmonic generation in a ferroelectric liquid crystal waveguide Phase-matched second-harmonic generation in a ferroelectric liquid crystal waveguide

1999-12-22

arxiv.org/abs/cond-mat/9912416v1

Appl. Phys. Lett. 77(3), pp. 319-321, 2000

Physics

Condensed Matter

Soft Condensed Matter

4 pages, LaTeX2e article, 3 figures, 4 EPS files, submitted to Physical Review Letters

Scientific paper

10.1063/1.126963

True phase-matched second-harmonic generation in a waveguide of crosslinkable ferroelectric liquid crystals is demonstrated. These materials allow the formation of macroscopically polar structures whose order can be frozen by photopolymerization. Homeotropic alignment was chosen which offers decisive advantages compared to other geometries. All parameters contributing to the conversion efficiency are maximized by deliberately controlling the supramolecular arrangement. The system has the potential to achieve practical level of performances as a frequency doubler for low power laser diodes.

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