METHOD FOR MEASURING SIGNAL EXCITED STATE ABSORPTION IN ERBIUM-DOPED FIBER AMPLIFIER AND COMPUTER-READABLE MEDIUM HAVING THEREON PROGRAM PERFORMING FUNCTION EMBODYING THE SAME

摘要

the present invention comprises: (a) erbium doped fiber amplifier of the output ASE (Amplified Spontaneous Emission) spectrum measure the and receiving input step, (b) extracting the output ASE spectrum calculation value using the set value of the signal ESA cross section, (c) measure the output ASE spectrum and the output ASE spectrum of the operational difference value with a predetermined value Compare tolerance and repeating the step (b) until it reaches the pre-defined condition, (d) comprises the step of extracting the set value as the final value of the signal ESA cross section area ESA signal, the signal The initial value of the set value of the ESA cross section is 0, the predetermined condition is related to a method of measuring the ESA signal at the average of the erbium doped optical fiber amplifier is smaller than the tolerance of the square of the difference value. present According to the invention, can be added to erbium in the fiber amplifier output ASE spectrum measurements and compared to the ASE spectrum calculation output value signal to measure the ESA. Can be carried out so as to check the influence of the gain and the signal based on noise in ESA signal ESA configuration facilitates the performance evaluation of the erbium-doped fiber amplifier easily. ;