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在半导体光电器件发展的历程中,首先研制成了发光二极管,接着很快过渡到了半导体激光器。由于低损耗光纤的问世,集中力量研制出了室温连续工作半导体激光器和高速半导体光探测器。除了1微米波段半导体光探测器外,目前光通信对上述器件特性的要求,基本上都能满足。然而,并不只是通信才是利用光纤作传输线的光领域。能利用光的领域非常多。光探测器是光接收器件,半导体激光器是发射器件。除了利用光传输信息外,为了利用光作信息处理,希望研制出新功能半导体器件。本文首先介绍在现有光探测器和激光器的基础上,经过改进后制成的新型器件,接着讨论了有放大作用和双稳作用的器件及其发展动向。
In the development of semiconductor optoelectronic devices in the course of the first developed into a light-emitting diode, and then quickly transition to a semiconductor laser. Due to the advent of low-loss optical fiber, focus has been developed at room temperature continuous working semiconductor lasers and high-speed semiconductor photodetector. In addition to the 1-μm wavelength semiconductor photodetector, the optical communication requirements of the above device characteristics are basically satisfied. However, it is not just communication that uses optical fiber as a transmission line. There are many fields that can utilize light. The photodetector is a light receiving device and the semiconductor laser is a transmitting device. In addition to the use of optical transmission of information, in order to use light for information processing, hoping to develop new functional semiconductor devices. This article first introduces new devices based on existing photodetectors and lasers, and then discusses devices with magnification and bistability and their developments.