System and method for wavelength control in frequency referenced passive optical network

A system for wavelength control in a passive optical network (PON) with a point to multi-point (P2MP) topology comprising a central node and a plurality of end nodes, the system comprising:

• a central node transceiver configured to broadcast to the plurality of end nodes a reference signal carrying a management information, wherein the management information indicates a target frequency assigned to each end node of the plurality of end nodes;
• and
• an end node transceiver in each end node of the plurality of end nodes, configured to:
• determine, for the particular end node, the particular target frequency by extracting the management information from the reference signal,
• generate, for the particular end node, a particular beating frequency by beating the reference signal with an uplink laser signal, and
• control, for the particular end node, a wavelength of the uplink laser signal to lock to the particular target frequency based on the beating frequency.