Burst luminous signal amplification method, burst luminous amplifer, system and communication system

Abstract

The embodiment of the invention relates to a burst luminous signal amplification method, a burst luminous amplifer, a system and a communication system. The burst luminous signal amplification method comprises the steps: combing fill-in lights and signal lights into a mixed light through a combiner and then outputting, wherein the fill-in lights are non-burst lights, the signal lights are burst lights, and the power sets of the fill-in lights is dependent of the watt level of the signal lights; generating pumping lights; and combing the pumping lights and the mixed light by a wave division multiplexer and then inputting a gain medium to obtain the amplified mixed light. In the burst luminous signal amplification method, the burst luminous amplifer, the system and the communication system, due to the occurrence of the fill-in lights, the burst luminous signal amplifer works in an amplification state all the time, the gain medium is provided with the pumping lights which can directly amplify the entered signal lights, thereby reducing the delay time of opening the burst luminous amplifer, improving the transient response speed of the burst luminous amplifer and avoiding generation of surging and signal distortion.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a burst optical signal amplification method, burst optical amplifier and system, and a communication system. Background technique [0002] With the rapid development of communication technologies, passive optical network (Passive Optical Network, PON) technology is currently one of the most widely used fiber-to-the-home technologies in access networks. The network architecture of PON of various systems is basically the same, including Optical Line Terminal (OLT), Optical Network Unit (Optical Network Unit, ONU) and Optical Distribution Network (ODN); among them, OLT is located in the center The ONU is located in the user's home, roadside or building, and the OLT and the ONU are connected by a passive ODN. The OLT and ODN are connected by a backbone optical fiber. The ODN implements point-to-multipoint optical power distribution and is connected to multiple ...

AI Technical Summary

Problems solved by technology

The uplink signal is a burst optical signal. If an ordinary optical amplifier is used, for example, the current one based on automatic gain control (Automatic Gain Control, AGC), automatic current control (Automatic Current Control, ACC), automatic power control (Automatic Power Control, APC) and supplementary light technology optical amplifiers, because the typical transient effect response time constant of ordinary optical amplifiers is on the order of microseconds, burst optical signals will generate surges after being amplified by ordinary optical amplifiers, resulting in signal distortion

Moreover, in other optical transmission technologies other than PON, when burst light needs to be amplified, the same problem also exists

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