Abstract

A 5-cm-long electrically tuned fiber Bragg grating is used to filter a microwave signal on an optical carrier at 1.55μm. A chirped distributed-feedback structure is employed, with a transmission bandwidth of 54MHz and relative optical carrier rejection of >30dB for rf frequencies >2GHz. The rapid monotonic sweep of the Bragg wavelength is translated into a fast-frequency sweep for rf analysis.

© 2009 Optical Society of America

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