Conference Proceeding

Multi-tap all-optical microwave filter with negative coefficients based on multiple optical carriers and dispersive media

Centro de Tecnología Nanofotónica, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (SPAIN), email: ;
11/2005; ISBN: 89-950043-3-9 pp.201- 204 In proceeding of: Microwave Photonics, 2005. MWP 2005. International Topical Meeting on
Source: IEEE Xplore

ABSTRACT An incoherent photonic microwave filter with multiple positive and negative taps based on two sets of optical carriers and dispersive media is proposed. Negative taps are obtained by means of the π phase inversion in a single electro-optic Mach-Zehnder modulator and the modulator V π dependence with wavelength. The transfer function of a 5-tap filter with flat passband calculated using the Parks-McClellan algorithm has been measure showing the feasibility of the technique to obtain practical transfer fucntions.

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Keywords

5-tap filter
 
incoherent photonic microwave filter
 
Negative taps
 
practical transfer fucntions
 
sets
 
transfer function
 
π dependence
 
π phase inversion