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Novel Technique for Implementing Incoherent Microwave Photonic Filters With Negative Coefficients Using Phase Modulation and Single Sideband Selection

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4 Author(s)
Mora, J. ; ITEAM, Univ. Politecnica de Valencia ; Capmany, J. ; Loayssa, A. ; Pastor, D.

We propose a novel configuration to implement microwave photonic filters featuring positive and negative coefficients which is based on the use of a single phase modulator to modulate an array of optical sources followed by a filtering stage to choose the optical carrier and higher or lower radio-frequency sideband depending on the sign of the desired coefficient. Experimental results are presented which prove the feasibility of this concept for a two tap notch filter. Filter tunability is also demonstrated

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 18 )