多环境下板级高速光互连系统位置偏移与耦合效率关系研究

项目名称： 多环境下板级高速光互连系统位置偏移与耦合效率关系研究

项目编号： No.51465012

项目类型： 地区科学基金项目

立项/批准年度： 2015

项目学科： 机械、仪表工业

项目作者： 黄春跃

作者单位： 桂林电子科技大学

项目金额： 48万元

中文摘要： 光互连器件间的耦合效率对光传输可靠性有着重要的影响，而光互连器件焊点在焊接固化、热循环加载和振动条件下均会产生不同程度的位置偏移进而对光传输耦合效率产生严重影响。本项目针对焊接固化阶段、热循环加载以及热循环与随机振动复合加载条件下的光互连模块焊点位置偏移与耦合效率关系进行理论与实验相结合的深入研究，具体内容包括：光互连模块关键位置焊后对准偏移与耦合效率关系研究；热循环加载条件下光互连模块关键位置对准偏移与耦合效率关系研究；热循环与随机振动复合加载条件下光互连模块关键位置对准偏移与耦合效率关系研究；基于带动量项神经网络的光互连模块耦合效率预测分析研究和实验验证研究。通过研究揭示不同环境下光互连器件焊点几何形态参数和材料参数对光传输耦合效率的影响规律，实现复合加载下光互连模块耦合效率预测及其结构优化，为提高光互连模块光传输可靠性提供理论指导和实验验证，为其工程化应用提供基础理论和关键技术支撑。

中文关键词： 光互连；耦合效率；遗传算法；神经网络；复合加载

英文摘要： Optical coupling efficiency between optical interconnection devices have a significant influence on optical transmission reliability, and on condition of welding and solidity process, thermal cycling and vibrating solder joints of optical interconnecting devices produce displacement in different degree, optical coupling efficiency is seriously affected by the displacement. Based on combination of theory and experiment, this project makes a thorough study on relationship between displacement and optical coupling efficiency under conditions of post welding, thermal cycling and combined thermal cycling with random vibration loading. The research contents are as follows: relationship between displacement and coupling efficiency of optical interconnection module on condition of post welding, relationship between displacement and coupling efficiency of optical interconnection module under condition of thermal cycling, relationship between displacement and coupling efficiency of optical interconnection module under condition of combined thermal cycling and random vibration loading, set up optical interconnection coupling efficiency prediction module based on momentum neural network, and correlative tests are also performed. Through the research to reveal influence law of the solder jionts geometrical shape parameters and material parameters impacting on coupling efficiency of optical interconnection devices under different loading, realize optical interconnection devices coupling efficiency prediction and structural parameters optimization under combined thermal cycling with random vibration loading, and to provide theoretical guidance and experimental verification to improve the transmission reliability of optical interconnection module, provides the basic theory and key technology of support for the engineering application of the optical interconnection system.

英文关键词： optical interconnect;coupling efficiency;genetic algorithm;neural network;combined load