Optical receiving apparatus, optical receiving packaging apparatus, and related device and method

An optical receiving packaging apparatus, comprising five signal pins, a photoelectric detector, and a trans-impedance amplifier;

• the five signal pins comprise a first signal pin, a second signal pin, a third signal pin, a fourth signal pin, and a fifth signal pin;
• the first signal pin is useable for inputting a first electrical signal, wherein the first electrical signal includes control information, and the control information is useable to control a working state of the trans-impedance amplifier;
• the second signal pin is useable for inputting a fifth electrical signal, wherein the fifth signal pin is useable for grounding;
• the photoelectric detector is configured to convert a received burst optical signal into a fourth electrical signal based on a power supply of the fifth electrical signal;
• the trans-impedance amplifier is configured to receive the first electrical signal, and to perform direct current filtering on the first electrical signal thereby obtaining a second electrical signal, perform voltage regulation processing on the first electrical signal thereby obtaining a third electrical signal, wherein the second electrical signal includes the control information, and amplify the fourth electrical signal based on the control information in the second electrical signal and a power supply of the third electrical signal, thereby obtaining the amplified fourth electrical signal;
• and
• the third signal pin and the fourth signal pin are useable for differentially outputting the fourth electrical signal amplified by the trans-impedance amplifier.

An optical signal processing method, comprising:

• receiving a first electrical signal, and performing direct current removal processing on the first electrical signal thereby obtaining a second electrical signal, wherein the first electrical signal includes control information, the second electrical signal is a burst signal and includes the control information, and the control information is useable to control a working state of an optical receiving apparatus;
• performing voltage regulation processing on the first electrical signal thereby obtaining a third electrical signal, wherein the third electrical signal has a constant amplitude;
• receiving the burst optical signal and a fifth electrical signal and converting the received burst optical signal into a fourth electrical signal based on the fifth electrical signal;
• and
• amplifying the fourth electrical signal based on the second electrical signal and the third electrical signal and outputting the amplified fourth electrical signal.