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We present a photonic method for the generation of dual-chirp signals. In this approach, a single-tone RF signal is first modulated using a modulator in order to generate two optical carriers, which are further modulated by a linearly chirped signal by another modulator. Square-law detection in a photodiode then generates a dual-chirp signal whose center frequency and time-bandwidth product (TBWP)...
In this paper, we focus on the maximum achievable time-bandwidth product of the photonically generated wideband microwave signals, which include the chirped and phase-coded signals and are generated based on spectrum shaping and frequency-to-time mapping.
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