Research on Relationship of Polarization and Rayleigh Backscatter in Bidirectional Fiber Communication Systems

Abstract:

In this paper, the general theory and polarization property of RB in single mode fiber is discussed. According to the theoretical analysis results, the bidirectional carrying system with a polarization rotating device for analog radio frequency (RF) signal is set up. The relationship of the system CRN and the different polarization state by the polarization rotating device is studied. The results show that the RB light polarization state of backward fiber end can keep to perpendicular to that of forward light when backward lights polarization is orthogonal forward lights polarization. So utilizing orthogonal polarization method for decreasing CRN can be carried on. The system performance is analyzed by simulation. The simulation results show that CRN of the bidirectional communication system on a single mode fiber can be inhibited by using the method and RB light can decrease by an order of magnitude.

• Periodical: Applied Mechanics and Materials (Volume 312)
• Pages: 625-630
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.312.625
• Online since: February 2013
• Authors: Yan Hong Wang, Gao Wang, Ji Liu
• Keywords: CrN, Fiber Communication, Polarization State, Rayleigh Backscatter, RF

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