摘要
对星间相干光通信体制和IM/DD体制进行了对比分析,总结了相干体制应用于卫星光通信的优势。介绍了国内外星间相干光通信的研究历程、目前的技术水平和发展趋势。
Coherent system is a competitive altemative to IM/DD system for inter-satellite optical communications. The history of research and development and recent progresses in coherent systems and the relevant devices are reviewed. With the breakthrough of high quality laser technologies, inter-satellite coherent optical Communication is on the verge of becoming a reality.
出处
《光通信技术》
CSCD
北大核心
2005年第8期44-46,共3页
Optical Communication Technology
关键词
星间光通信
相干体制
综述
inter-satellite optical communications
coherent receivers
overview