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Compression of ultra-long microwave pulses using programmable microwave photonic phase filtering with > 100 complex-coefficient taps

Minhyup Song ; Victor Torres Company (Institutionen för mikroteknologi och nanovetenskap, Fotonik) ; Rui Wu ; Andrew J Metcalf ; Andrew M Weiner
Optics Express (1094-4087). Vol. 22 (2014), 6, p. 6329-6338.
[Artikel, refereegranskad vetenskaplig]

Microwave photonic filters with arbitrary phase response can be achieved by merging high-repetition-rate electro-optic frequency comb technology with line-by-line pulse shaping. When arranged in an interferometric configuration, the filter features a number of programmable complex-coefficient taps equal to the number of available comb lines. In this work, we use an ultrabroadband comb generator resulting in a microwave photonic phase filter with >100 complex-coefficient taps. We demonstrate the potential of this filter by performing programmable chirp control of ultrawideband waveforms that extend over long (>10 ns) temporal apertures. This work opens new possibilities for compensating realistic linear distortion impairments on ultrabroadband wireless signals spanning over dozens of nanosecond temporal apertures.

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Denna post skapades 2014-08-11. Senast ändrad 2015-07-28.
CPL Pubid: 201110


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