A dynamic tunable chromatic dispersion compensator with low latency is provided that includes a chirped fiber Bragg grating in a compensating optical fiber core. The chirped fiber Bragg grating includes wavelength gratings spaced at distances varying with respect to the length of the compensating optical fiber core to compensate for differential delay in a synchronous time protocol for a bidirectional computer data communication link. The dynamic tunable chromatic dispersion compensator also includes one or more controllable elements to modify the length of the compensating optical fiber core in response to one or more commands, and an optical junction to optically couple the chirped fiber Bragg grating to an optical fiber of the bidirectional computer data communication link.
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