QIN Hailin, XIU Minglei, CHEN Xinqiao, et al. An optical heterodyne technology for radio over fiber system[J]. 2006,(3):47-50. DOI: 10.13756/j.gtxyj.2006.03.015.
Optical heterodyne technology is widely used in radio over fiber system in generating millimeter waves because of its low price and simple structure
but center stations generally use coherent source to eliminate phase noise.In this paper
a modified optical heterodyne method is proposed and system analysis and simulation experiments show that its adoption will relieve the center station of the need to use coherent source and both the center station and radio terminals of the need for local millimeter wave oscillation.Furthermore
using single band modulation in center stations will effectively reduce the fiber dispersion effect.
关键词
光通信光纤无线电光外差单边带调制光纤色散
Keywords
optical communicationradio over fiberoptical heterodynesingle band modulationfiber dispersion