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Surface plasmon polaritons (SPPs) are two-dimensional electromagnetic (EM) fields, which are highly localized, propagate along metal-dielectric interfaces, and decay exponentially into adjacent media. Owing to the advantages of confined EM fields in subwavelength scales, SPPs have a lot of potential applications in super-resolution imaging, miniaturized sensors, and biosensing. Recently, in the microwave...
A photonic approach to implementing microwave channelized receiver based on an optical comb is proposed. In this approach, a flat optical comb with 11 comb lines is generated using two cascaded Mach-Zehnder modulators (MZMs). Frequency analysis of an intercepted microwave signal with multiple microwave frequencies is realized by using the optical comb together with a Fabry-Perot (F-P) etalon, a wavelength...
Techniques to generate and process microwave and millimeter-wave arbitrary waveforms in the optical domain are reviewed, with an emphasis on the techniques implemented based on fiber optics.
A novel approach to generate continuously tunable microwave and millimeter-wave (mm-wave) signals is proposed and experimentally demonstrated based on an optical phase modulator and a Brillouin-assisted notch-filtering technique. The strong optical carrier of the phase modulated signal is deeply suppressed by using stimulated Brillouin scattering (SBS) in a dispersion-shifted-fiber ring while the...
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