Predistortion technique for RF-photonic generation of high-power ultrawideband arbitrary waveforms

被引：19

作者：

Bortnik, Bartosz ^{[1
]}

Poberezhskiy, Ilya Y. ^{[1
]}

Chou, Jason ^{[1
]}

Jalali, Bahram ^{[1
]}

Fetterman, Harold R. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90034 USA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2006年 / 24卷 / 07期

关键词：

broadband amplifiers; microwave; generation; optical fiber dispersion; optical signal processing; signal generators; spatial light modulators (SLMs);

D O I：

10.1109/JLT.2006.875943

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

By employing an RF-photonic arbitrary waveform generator, the authors experimentally obtained complex high-power RF waveforms with spectra spanning more than a decade and voltage amplitudes of more than 13 V in a system limited by a gain ripple of up to 5 dB and phase distortion of over 200 degrees. A spectral predistortion technique tailored to photonically assisted waveform generators that can overcome substantial RF amplifier gain ripple and phase distortion in order to generate high-power (> 30 dBm) ultrawideband arbitrary RF waveforms is presented.

引用

页码：2752 / 2759

页数：8

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