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학술지 Compression of Ultra-Long Microwave Pulses Using Programmable Microwave Photonic Phase Filtering with > 100 Complex-Coefficient Taps
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저자
송민협, Victor Torres-Company, Rui Wu, Andrew J. Metcalf, Andrew M. Weiner
발행일
201403
출처
Optics Express, v.22 no.6, pp.6329-6338
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.22.006329
협약과제
14ZC2400, 상황인지 스마트카를위한 다중 센서 플랫폼기술개발, 권기구
초록
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.
KSP 제안 키워드
Electro-Optic, High repetition rate, Line-by-line pulse shaping, Linear distortion, Microwave pulses, Phase filtering, Ultrawideband waveforms, Wireless signal, comb generator, frequency comb, microwave photonic filters