Temperature feedback control apparatus, method, and system

A temperature feedback control method applicable to a temperature feedback control apparatus, the method comprising:

• controlling, by a first electric switch, that only a first channel is conducted at a moment, to feed back an optical signal of a target optical component connected to the first channel to a feedback control unit, wherein the temperature feedback control apparatus comprises the first electric switch, a second electric switch, and the feedback control unit, wherein both the first electric switch and the second electric switch are multi-channel electric switches, one end of the feedback control unit is connected to at least two optical components, the second electric switch is connected to the other end of the feedback control unit, one channel of the first electric switch is connected to one optical component of the at least two optical components, and one channel of the second electric switch is connected to one optical component of the at least two optical components, wherein the first channel is a signal channel between the target optical component and the first electric switch, wherein the first electric switch is a multi-channel electric switch, and wherein the target optical component is any one of the at least two optical components;
• converting, by the feedback control unit, the optical signal of the target optical component into an electrical signal, and calculating a temperature of the corresponding optical component based on the electrical signal, to obtain a control signal;
• and
• controlling, by the second electric switch in response to the first channel being conducted, that only a second channel is conducted, to transmit the control signal to the target optical component, and adjusting the temperature of the target optical component, wherein the second channel is a signal channel between the target optical component and the second electric switch, and the second electric switch is a multi-channel electric switch.

A chip, wherein the chip comprises a temperature feedback control apparatus comprising:

• a first electric switch, a second electric switch, and a feedback control unit, wherein both the first electric switch and the second electric switch are multi-channel electric switches;
• wherein one end of the feedback control unit is connected to at least two optical components, the second electric switch is connected to the other end of the feedback control unit, one channel of the first electric switch is connected to one optical component of the at least two optical components, and one channel of the second electric switch is connected to one optical component of the at least two optical components;
• wherein the first electric switch is configured to control that only a first channel is conducted at a moment, to feed back an optical signal of a target optical component connected to the first channel to the feedback control unit, wherein the first channel is a signal channel between the target optical component and the first electric switch, and the target optical component is any one of the at least two optical components;
• wherein the feedback control unit is configured to convert the optical signal into an electrical signal, and calculate a temperature of the corresponding optical component based on the electrical signal, to obtain a control signal;
• and
• wherein the second electric switch is configured to control, in response to the first channel being conducted, that only a second channel is conducted, to transmit the control signal to the target optical component, and adjust the temperature of the target optical component, wherein the second channel is a signal channel between the target optical component and the second electric switch.