Bi-directional transceiver with time synchronization

An optoelectronic module for use in a network, the network having an optical fiber through which optical signals are transmitted, the optical signals having primary data and phase synchronization data, the phase synchronization data being created by amplitude modulations of a power and extension ratio (ER) module, the network having time synchronization implemented in a Media Access Control Physical (MAC PHY) layer, the optoelectronic module comprising:

• an optical receiver configured to optically coupled with the optical fiber, the optical receiver configured to receive the optical signals from the optical fiber, wherein the phase synchronization data of the optical signals are received along with received primary data of the optical signals;
• and
• a time synchronization signal detection module configured to detect the amplitude modulations caused by the power and ER control module to recover the phase synchronization data of the optical signals, the time synchronization signal detection module comprising:
• an amplifier;
• a low pass filter coupled to the amplifier, wherein the low pass filter filters out the phase synchronization data of the optical signals from the primary data of the optical signals;
• and
• a limiting amplifier coupled to the low pass filter,
• wherein using the phase synchronization data of the optical signals, the time synchronization signal detection module is configured to compensate for a first latency delay through the media access control physical (MAC PHY) layer and a second latency delay through the optical fiber in a transmit direction and a receivedirection being approximately equal.