Archive > Volume 10 Issue 6 > 2014,10(6):406-410. DOI:10.1007/s11801-014-4139-y CSTR:[cstr] Prev Next
A flexible receiver with fiber optical parametric amplifier in OCDMA-FSO communication system
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Abstract:
A new receiver is proposed, which uses the fiber optical parametric amplifier (FOPA) in optical code division multiple access (OCDMA) over free space optic (FSO) communication system. The noise tolerance as the performance index in this receiver is derived. The receiver can not only improve the noise tolerance but also change the pump data conveniently for adapting to the length variation of the coding sequence under a complex and fast-changing weather condition. The influence of different factors on the noise tolerance is analyzed, and a significant improvement of about 18.77 dB for the noise tolerance can be achieved when the pump power and the length of coding sequence are 5 W and 256, respectively.
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This work has been supported by the National Key Basic Research Special Foundation (Nos.2010CB327605 and 2010CB328300), the National Natural Science Foundation of China (No.61307109), the National High Technology Research and Development Program of China (Nos.2013AA031501 and 2013AA013303), the Specialized Research Fund for the Doctoral Program of Higher Education (No.20120005120021), and the Fundamental Research Funds for the Central Universities (No.2013RC1202).
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