Research on Nonlinear Optical Coupling Interconnection Devices

本研究着眼于光孤子技术和光波导技术的发展，特别是在光通信和光纤传感器中的应用。讨论了光纤非线性在色散补偿、波分复用系统和新型数字孤子系统中的应用。对光波导材料的基本问题，特别是光折变效应和光电效应进行了实验分析。实验研究了杂质和退火工艺对晶体的光折变效应和光电效应的影响。从理论上优化和设计了用于波分复用系统的波分复用器，该复用器采用了采用铌酸锂晶体的阵列光波导。对孤子传输的色散管理系统进行了数值分析。对孤子波分复用系统进行了数值分析。提出了广义数字孤子系统，并对其进行了数值分析。

In this research, the developments of the solitonic technology and the optical waveguide technology are aimed.Specially, the application to the optical communication and to the fiber-optic sensors are intended. The application of the fiber-optic nonlinearity to the dispersion compensation, the wavelength-division-multiplex system and the novel digital soliton system are considered. The fundamental problems of the optical waveguide material, especially the photorefractive effect and the photoelectric effect are experimentally analyzed.1. The photorefractive effect and the photoelectric effect of the lithium niobate crystal are experimentally investigated concerning the effect of the impurity and the annealing process.2. The multiplex-demultiplexer for the wavelength-division multiplex system by using the consept of the arrayed waveguide utilizing the lithium niobate crystal are theoretically optimized and designed.3. The dispersion management system of the soliton transmission is numerically analyzed.4. The wavelength-division-multiplex system by the soliton is discussed numerically.5. The generalized digital soliton system is proposed and numerically analyzed.