Lei ZHANG, Yixiao ZHU, Fan ZHANG, et al. Trends and enabling technologies on high-speed metro and short-reach optical transmission systems[J]. Telecommunications science, 2019, 35(4): 62-73.
DOI:
Lei ZHANG, Yixiao ZHU, Fan ZHANG, et al. Trends and enabling technologies on high-speed metro and short-reach optical transmission systems[J]. Telecommunications science, 2019, 35(4): 62-73. DOI: 10.11959/j.issn.1000-0801.2019074.
Trends and enabling technologies on high-speed metro and short-reach optical transmission systems
The optical fiber communication network is the important infrastructure for the modern information society.Thanks to the reduction of fiber loss
the improvement of transceiver devices by electro-optical-electrical conversion
the development of modulation technology and the introduction of digital signal processing
the capacity of optical fiber transmission has been greatly improved.In recent years
due to the large capacity demand of data-centers and the next-generation wireless communication
metro and short-range transmission scenarios below 100 km have attracted lots of attention based on direct detection.The historical evolution of optical fiber communication systems was firstly reviewed
then the limiting factors in the direct detection system were analyzed.Furthermore
the principle and system configuration of one-dimensional to four-dimensional self-coherent technology were introduced
and finally
the low-cost evolution trend of the optical coherent transmission system was prospected.
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