由于全球通信数据量的增加，各远程通信设备公司做出的反应是研制能在单根光纤中以１０１１bits传输数据的波分复用系统。有些公司现已研制出具有单信道４０Gb／s数据传输能力的系统，并正筹划研制更高数据率的系统。然而如此高速率的系统对系统组件的容纳能力有更高的要求。光 Due to the increase in the amount of global communications, the response of the various telecommunications equipment companies is to develop a wavelength division multiplexed system capable of transmitting data at 1011 bits in a single optical fiber. Some companies have developed systems with single-channel 40Gb / s data transfer capabilities and are planning to develop higher-data-rate systems. However, such a high-speed system has higher requirements on the capacity of the system components. Light