Otherwise, the intracavity modulating laser with feedback device can be used in digital optical communication because of its bistable and multistable out-put.
带有反馈的腔内调制激光器，其输出将出现双稳、多稳特性，因而可用作数字光通信的调制源。
2
A compact, low input power optical bistabledevice, combined with photodetector and optical fiber directional coupler and semiconductor laser diode, was presented.