Device and method for controlling transient effect in erbium-doped fiber amplifier (EDFA)
A technology of transient effects and control methods, applied in electromagnetic wave transmission systems, electrical components, transmission systems, etc., can solve problems such as cost increase, achieve flexible working methods, significant transient suppression effects, and improve production efficiency and flexibility. Effect
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[0047] The device and control method for suppressing the transient effect in the EDFA of the present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.
[0048] Such as figure 1 As shown, the device for suppressing the transient effect in the EDFA of the present invention includes: a photodetection diode 101 that receives the optical signal input by the EDFA and converts it into an electrical signal, and a transconductance circuit 102 that receives the signal of the photodetection diode 101, and converts the transconductance The analog signal output by the circuit 102 is converted into an analog-to-digital converter 103 of a digital signal, and a digital processor 104 is used for data processing of the digital signal converted by the analog-to-digital converter 103, and the digital signal processed by the digital processor 104 is converted into an analog The digital-to-analog converter 109 of the signal makes the anal...
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