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All-optical tunable microwave filters with negative multitaps based on uniform fiber Bragg gratings

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7 Author(s)

This paper demonstrates a novel transversal filter with negative coefficients under incoherent operation. It is based on filtering a broadband optical source with fibre Bragg gratings (FBG's) to generate the taps with negative coefficients, while laser array generates the positive taps. This scheme used passive component; i.e., FBG's, and, in addition, the negative taps are fully independent on the positive taps and it is an all-optical and passive configuration, which exhibited a good performance and higher tunability and lower cost and was focused on reducing the frequency to hundreds of kHz without increasing the noise to signal ratio.

Published in:

Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003 Conference on

Date of Conference:

22-27 June 2003