Method and device for determining input optical power

摘要

A method and a device for determining an input optical power are provided. The method include: after determining a bias current value of an optical amplifier unit when the optical amplifier unit amplifies a target optical signal and a voltage value output after an optical receiving unit converts the amplified target optical signal into an electrical signal, determining, according to a predetermined first correspondence that is among a bias current value, a voltage value, and an input optical power value and corresponds to a wavelength of the target optical signal, an input optical power value corresponding to the determined bias current value and the determined voltage value. By using the solution in the embodiments of the present invention, an input optical power of an optical signal on which optical amplification is performed can be determined.

主权项

1. A method for determining an input optical power in an optical transmission device, the method comprising:
determining, by a processor, a bias current value of an optical amplifier unit when the optical amplifier unit amplifies a first optical signal to an amplified first optical signal, wherein the first optical signal comprises a target optical signal; determining, by the processor, a voltage value output after an optical receiving unit converts the target optical signal in the amplified first optical signal into an electrical signal, wherein the voltage value is a voltage value corresponding to the target optical signal in the amplified first optical signal; and determining, by the processor, according to a predetermined correspondence that is among a bias current value, a voltage value, and an input optical power value that correspond to a wavelength of the target optical signal, an input optical power value corresponding to the bias current value and the voltage value.