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Widely Tunable Microwave Photonic Notch Filter Based on Slow and Fast Light Effects
2009
IEEE Photonics Technology Letters
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A continuously tunable microwave photonic notch filter at around 30 GHz is experimentally demonstrated and 100% fractional tuning over 360 range is achieved without changing the shape of the spectral response. The tuning mechanism is based on the use of slow and fast light effects in semiconductor optical amplifiers assisted by optical filtering. Index Terms-Coherent population oscillations (CPO), microwave photonics, semiconductor optical amplifier (SOA), slow light.
doi:10.1109/lpt.2008.2009468
fatcat:3z45w4q66jadddr7pmieoalvfu