Optical transmission system, control signal transmission method, and optical module

摘要

An optical transmission system including a transmitting unit to transmit an optical main signal, a receiving unit to receive the optical main signal, and a transmission line through which the optical main signal is transmitted, the optical transmission system includes: an optical transmitter unit configured to be activated or inactivated based on a control signal so as to transmit the control signal, the optical transmitter being included in the transmitting; and an optical receiver configured to receive light with the activate state or the inactivate state of the optical transmitter the optical receiver being included in the receiving unit, wherein the receiving unit regenerates the control signal, based on a power of the received light.

主权项

1. An optical transmission system including a transmitting unit to transmit an optical main signal, a receiving unit to receive the optical main signal, and a transmission line through which the optical main signal is transmitted, the optical transmission system comprising:
an optical transmitter including a plurality of light emitting elements, each of the light emitting elements being configured to be activated or inactivated to output an optical signal based on a control signal, the optical transmitter being included in the transmitting unit; and an optical receiver including a plurality of light receiving elements corresponding to the plurality of light emitting elements, each of the light receiving elements being configured to receive a respective optical signal output from the optical transmitter, the optical receiver being included in the receiving unit, wherein the receiving unit regenerates the control signal based on a power of the optical signals received from the optical transmitter, and wherein each of the light emitting elements outputs the respective optical signal to the optical receiver during a period of time in which the optical main signal is not transmitted between the transmitting unit and the receiving unit.