Abstract

A Mach–Zehnder structure with modulation in one arm and dispersive time delay in the other is proposed to implement highly flexible single-bandpass chirped microwave photonic filters based on broadband optical sources. Both the amplitude response and the time delay slope can be fully reconfigured via control of the optical spectra and dispersion. The passband can also be widely tuned without changing the shape. A chirped filter with a bandwidth of 4GHz, a delay slope of 0.6ns/GHz, and a tunability up to 40GHz is demonstrated experimentally.

© 2011 Optical Society of America

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