Demonstration of incoherent microwave photonic filters with all-optical complex coefficients

We propose and demonstrate for the first time to our knowledge an incoherent microwave photonic filter with complex coefficients implemented in the optical domain. The system is based on a tunable optically induced RF phase-shift that is obtained by means of a novel optical signal processing techniq...

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Bibliographic Details
Published in:IEEE photonics technology letters 2006-08, Vol.18 (16), p.1744-1746
Main Authors: Loayssa, A., Capmany, J., Sagues, M., Mora, J.
Format: Article
Language:English
Subjects:
Brillouin scattering
Brillouin zone
Dynamical systems
Dynamics
Microwave filters
microwave optical filters
Microwave photonics
Modulation
Nonlinear optics
Optical data processing
Optical filters
Optical modulation
Optical scattering
Optical signal processing
optical single-sideband (OSSB) modulation
Phase modulation
Radio frequency
Scattering
Signal processing
stimulated Brillouin scattering (SBS)
Stimulated emission
transversal filters
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Summary:We propose and demonstrate for the first time to our knowledge an incoherent microwave photonic filter with complex coefficients implemented in the optical domain. The system is based on a tunable optically induced RF phase-shift that is obtained by means of a novel optical signal processing technique that makes combined use of optical single-sideband modulation and stimulated Brillouin scattering. A two-tap filter is built demonstrating full tunability of its frequency response by dynamically changing the phase shift of a complex coefficient
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2006.879535