Abstract
We review applications of Kerr micro-combs in RF photonic systems including fractional differentiators, Hilbert Transformers and many other functions.
Highlights
As one of the most powerful tools in Radio frequency (RF) photonic systems, optical frequency combs can serve as multi-wavelength sources and establish multiple RF channels, and can greatly increase the capacity for transmission and performance for transversal processers [22,23,24,25,26]
We review our recent work on RF and microwave photonic applications of integrated micro-combs, including a reconfigurable RF photonic intensity differentiator, RF channelizer and others
By employing an on-chip nonlinear micro-ring resonator (MRR), we generate a broadband Kerr comb based on soliton crystals, with a record low FSR of 49GHz, generating a large number of comb lines and use it as a high-quality multi-wavelength source for a transversal differentiator
Summary
As one of the most powerful tools in RF photonic systems, optical frequency combs can serve as multi-wavelength sources and establish multiple RF channels, and can greatly increase the capacity for transmission and performance for transversal processers [22,23,24,25,26]. We review our recent work on RF and microwave photonic applications of integrated micro-combs, including a reconfigurable RF photonic intensity differentiator, RF channelizer and others. By employing an on-chip nonlinear micro-ring resonator (MRR), we generate a broadband Kerr comb based on soliton crystals, with a record low FSR of 49GHz, generating a large number of comb lines and use it as a high-quality multi-wavelength source for a transversal differentiator.
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