OPTICAL TRANSMISSION CHARACTERISTIC ESTIMATION APPARATUS, OPTICAL TRANSMISSION CHARACTERISTIC ESTIMATION METHOD AND PROGRAM
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jan 21, 2022
filing date -
Jan 21, 2022
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Abstract
Provided an optical transmission characteristic estimation device that models an optical effect of an optical transmission line by a nonlinear Schrodinger equation, divides the optical transmission line into N (N is an integer of two or more) sections, obtains a solution of the nonlinear Schrodinger equation by an operation of N steps in which a section length of each of the divided N sections is a step size, and estimates transmission characteristics of the optical transmission line, the optical transmission characteristic estimation device including a step size update unit configured to update each of the N step sizes on the basis of an estimated optical power distribution and an estimated dispersion distribution, which are indicated by the transmission characteristics.
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