Patent ID: 8786930

Claim:
An apparatus for generating a frequency comb, the apparatus comprising: an optical source operable to provide a first optical wave; a wave splitter having an input port and at least two output ports, the input port being optically coupled to the optical source, wherein the wave splitter is operable to split the first optical wave into at least two separate second optical waves at the respective output ports, wherein the at least two second optical waves are characterized by respective first center frequencies separated from each other by a frequency spacing; a set of slave laser sources, wherein each slave laser source is coupled to a respective output port of the wave splitter and operable to emit a respective third optical wave at a respective first center frequency via injection locking; a wave combiner operable to combine the third optical waves emitted by the set of slave laser sources; and a nonlinear optical medium optically coupled to the wave combiner and operable to input the third optical waves and to output a plurality of fourth optical waves characterized by respective second center frequencies separated from each other by the frequency spacing.