Abstract
AbstractBased on comparing the analyzing methods in existence for multipath interference (MPI) resulted from Rayleigh backscattering in distributed fiber Raman amplifiers (DFRA), two novel methods are presented. A simple analytical expression is developed in the first method. The evolution of optical powers within each step is calculated by a semianalytical method in the second so that the MPI calculating time can be saved and the precision can be improved. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 34: 109–112, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10388
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