Tunable photonic bandpass filter with high-frequency response performance

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A continuously tunable RF/microwave photonic bandpass filter that simultaneously achieves high skirt selectivity and high stopband attenuation is presented. It is based on controlling the signal polarisation state in a reflective amplified recirculating delay line loop with a polariser at the output. A technique to overcome the phase noise limitation in the structure is also presented. Experimental results demonstrate continuous tuning of the high-performance photonic bandpass filter and a continuously tunable photonic bandpass filter with a low-noise performance.
Original languageEnglish
Pages (from-to)1176-1177
Number of pages2
JournalElectronics Letters
Issue number23
Publication statusPublished - Nov 2009
Externally publishedYes


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