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- Title
Reconfigurable microwave photonic filter based on polarization modulation.
- Authors
Enming Xu; Shilong Pan; Peili Li
- Abstract
A reconfigurable microwave photonic filter based on a polarization modulator (PolM) is proposed and experimentally demonstrated. The PolM together with a polarization controller (PC) and a polarization beam splitter (PBS) implements two complementary intensity modulations in two separated branches. Then, optical components are inserted in the two branches to realize a bandpass filter and an allpass filter, respectively.When the two branches are combined by a second PBS, a filter with a frequency response that equals the subtraction of the frequency responses of the allpass filter and bandpass filter is achieved. By adjusting the PCs placed before the second PBS, a notch filter with a tunable notch depth or a bandpass filter can be achieved.
- Subjects
MICROWAVE photonics; SIGNAL processing; MICROWAVE filters; ELECTRONIC modulation; BANDPASS filters
- Publication
Optical Engineering, 2016, Vol 55, Issue 3, p1
- ISSN
0091-3286
- Publication type
Article
- DOI
10.1117/1.OE.55.3.031120