| 1. | In this dissertation , a novel m - z high speed modulator is proposed , analyzed , fabricated and measured , employing multiple quantum well ( mqw ) structures and traveling wave ( tw ) electrodes to meet the demand of low voltage and wide bandwidth 本论文采用行波量子阱结构来设计40ghz的电光调制器。为实现高带宽,低驱动的要求,本论文着重在量子阱的光学特性和器件的微波特性两个方面进行了深入的研究。 |