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Microwave photonic filters utilizing optical frequency combs have been shown to achieve narrow bandwidths, high stopband attenuation as well as easy tunability of center frequency and bandwidth. The ability to achieve smooth apodization of optical frequency comb spectrum to specific spectral profiles is important to obtain high stopband attenuations. Previously, by utilizing an optical pulse shaper...
Photonically assisted RF arbitrary waveform generation with 1-ns update time is demonstrated utilizing a commercial tunable DBR laser to affect frequency modulation of the optical frequency comb carrier in conjunction with line-by-line pulse shaping.
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