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Journal Article Compression of Ultra-Long Microwave Pulses Using Programmable Microwave Photonic Phase Filtering with > 100 Complex-Coefficient Taps
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Authors
Minhyup Song, Victor Torres-Company, Rui Wu, Andrew J. Metcalf, Andrew M. Weiner
Issue Date
2014-03
Citation
Optics Express, v.22, no.6, pp.6329-6338
ISSN
1094-4087
Publisher
Optical Society of America(OSA)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1364/OE.22.006329
Abstract
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. © 2014 Optical Society of America.
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