Optical transmission system to transmit signals by optoelectronic co-packaged modules

An optical transmission system to transmit signals by optoelectronic co-packaged modules, comprising a fiber optic transmission bus, several optoelectronic co-packaged modules, and several node terminals, wherein the optoelectronic co-packaged module corresponds to the node terminals one to one, and several signal transmission nodes are provided on the fiber optic transmission bus, and the optoelectronic co-packaged module is provided at the location of each of the signal transmission nodes, and the optoelectronic co-packaged module is connected to the node terminals,

• wherein a bus optical signal is transmitted in the fiber optic transmission bus, and the bus optical signal comprises an upstream optical signal and a downstream optical signal,
• wherein the upstream optical signal is signaled according to the following steps as the upstream optical signal passes through each of the signal transmission nodes:
• step A1, transmitting the upstream optical signal into the optoelectronic co-packaged module,
• step B1, the optoelectronic co-packaged module converting the upstream optical signal into an upstream current signal,
• step C1, the optoelectronic co-packaged module converting the upstream current signal into a voltage signal and amplifying the voltage signal to obtain an internal upstream voltage signal,
• step D1, the optoelectronic co-packaged module replicating the internal upstream voltage signal to obtain a transmission voltage signal and a replication voltage signal, wherein the information of the transmission voltage signal and the replication voltage signal are the same as the information of the upstream optical signal,
• step E1, transmitting the replication voltage signal into the node terminal, and the optoelectronic co-packaged module converting the transmission voltage signal into an upstream output current signal,
• step F1, the optoelectronic co-packaged module converting the upstream output current signal into the upstream optical signal,
• step G1, the optoelectronic co-packaged module transmitting the upstream optical signal into the fiber optic transmission bus so that the upstream optical signal continues to be transmitted forward along the fiber optic transmission bus,
• wherein the downstream optical signal passes through each of the signal transmission nodes in accordance with the following steps of signal transmission:
• step A2, transmitting the downstream optical signal to the optoelectronic co-packaged module,
• step B2, the optoelectronic co-packaged module converting the downstream optical signal into a downstream current signal,
• step C2, the optoelectronic co-packaged module converting the downstream current signal into a voltage signal and amplifies the voltage signal to obtain a downstream voltage signal,
• step D2, transmitting the feedback voltage signal generated from the feedback information of the node terminal to the optoelectronic co-packaged module, and the optoelectronic co-packaged module superposing the downstream voltage signal with the feedback voltage signal to form the superposed voltage signal,
• step E2:
• the optoelectronic co-packaged module converting the superposed voltage signal into a downstream output current signal,
• step F2, the optoelectronic co-packaged module converting the downstream output current signal into a superposed downstream optical signal, wherein the information of the superposed downstream optical signal comprises the information of the downstream optical signal and the feedback information of the node terminal,
• step G2, the optoelectronic co-packaged module transmitting the superposed downstream optical signal into the fiber optic transmission bus,
• step H2, transmitting the superposed downstream optical signal used as the downstream optical signal of another optoelectronic co-packaged module into another optoelectronic co-packaged module, and repeating the step A2.