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  • Journal of Lightwave Technology
  • Vol. 38,
  • Issue 6,
  • pp. 1194-1201
  • (2020)

Demonstration of a Sub-GHz Flat-Top Comb-Based RF-Photonic Filter Enabled by Fourth-Order Dispersion Compensation

Zahra Serahati, Eduardo Temprana, Evgeny Myslivets, Vahid Ataie, Nikola Alic, and Stojan Radic

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Abstract

We demonstrate a sub-GHz RF-photonic filter based on phase and amplitude control of a wideband all-fiber frequency parametric comb with 25-GHz tone spacing. The narrow bandwidth filter construction based on 221 comb tones was enabled by fourth-order dispersion compensation of the dispersive element. The filter integrity was further tested by retrieval of a set of digital modulated RF channels.

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