有机非线性光学晶体光学应用 Nonlinear anic crystals for photonic applications.pdf

Diss. ETH No. 17482
Nonlinear optical organic crystals
for photonic applications
A dissertation submitted to
ETH Zurich
for the degree of
Doctor of Natural Sciences
presented by
Lukas Mutter
Dipl. Phys. ETH
born on the 15th May 1977
citizen of Blitzingen (VS), Switzerland
accepted on the recommendation of
Prof. Dr. P. G¨unter, examiner
Prof. Dr. M. Zgonik, co-examiner
Z¨urich 2007
Cover page:
Collage of photographs of DAST; shown are
- Planar waveguiding in ion implanted waveguides
- Photobleached spot
- Mach Zehnder structures realized by direct e-beam exposure
- Mach Zehnder structures with gold electrodes
- Channel waveguiding in DAST e-beam written waveguides
- DSTMS crystal
Contents
Abstract vii
Zusammenfassung xi
1 Nonlinear optics of organic materials 1
Introduction to nonlinear optics . . . . . . . . . . . . . . . . . . . . . . . 1
Microscopic and macroscopic properties of organic materials . . . . . . . 4
Nonlinearities of organic molecules and crystals . . . . . . . . . . . . . . 5
Molecular dispersion of the nonlinear susceptibility . . . . . . . . 5
Optimization of the second-order activity . . . . . . . . . . . . . . 6
The electro-optic effect in organic materials . . . . . . . . . . . . . . . . 7
Frequency dependence of the linear and nonlinear optical properties . . . 8
High-speed modulation . . . . . . . . . . . . . . . . . .