CPC H04B 10/508 (2013.01) [H04B 10/503 (2013.01); H04B 10/506 (2013.01); H04B 10/614 (2013.01); H04J 14/0205 (2013.01)] | 20 Claims |
1. A signal processing apparatus, comprising a sampling unit, a beam combiner, and an optical resonator, wherein:
the sampling unit is connected to the beam combiner, and the beam combiner is connected to the optical resonator;
the sampling unit is configured to sample an analog signal by using an optical pulse signal to output a sampled optical pulse signal;
the beam combiner is configured to combine the sampled optical pulse signal and a multi-wavelength optical signal into a first optical signal; and
the optical resonator is configured to perform resonance based on the first optical signal to output a second optical signal in the first optical signal, wherein a wavelength of the second optical signal is equal to a resonant wavelength of the optical resonator.
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