The carrier envelope offset control circuitry 160 as illustrated includes slow control circuitry 161 and fast control circuitry 162. The carrier envelope offset control circuitry 160 may be configured to receive the carrier envelope offset error signal. The slow control circuitry 161 may provide a slow carrier envelope offset control signal based on the received carrier envelope offset error signal. The fast control circuitry 162 may provide a fast carrier envelope offset control signal based on the received carrier envelope offset signal. In some embodiments, the carrier envelope offset control circuitry 160 may be configured to use feedback control circuitry to provide the slow and fast carrier envelope offset control signals. The feedback control circuitry may include an integral-lead control, a proportional-integral-derivative control, a lead-lag controller, or other feedback control circuitry. The optical frequency comb generator 110 may be configured to receive the slow and fast carrier envelope offset control signals from the carrier envelope offset control circuitry 160.