Journal
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume 15, Issue 4, Pages 226-228Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2005.845698
Keywords
arbitrary waveform generation; optical pulse shaping; pulse generators; radio-frequency (RF) photonics; ultra-wideband (UWB) systems
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We demonstrate photonic synthesis of broadband radio-frequency (RF) waveforms suitable for ultra-wide bandwidth (UWB) systems via open-loop reflection-mode dispersive Fourier transform optical pulse shaping. Using this technique, we synthesize broadband burst, monocycle and pulsed waveforms with RF bandwidths ranging from similar to 1-8 GHz. Through appropriate optical waveform design, we demonstrate direct control over the shape of the RF spectrum-a capability that enables us to tailor our RF waveforms to conform to the low-power UWB spectral criteria.
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