Yanbing Jin, Erwin H. W. Chan, Xinhuan Feng, Xudong Wang, Bai-ou Guan. Tunable negative coefficient microwave photonic filter based on a polarization modulator and a polarization beam interferometer[J]. Chinese Optics Letters, 2015, 13(5): 050601
- Chinese Optics Letters
- Vol. 13, Issue 5, 050601 (2015)
Fig. 1. Topology of the novel microwave photonic notch filter.
Fig. 2. Normalized frequency response of the PolM- and PBI-based microwave photonic notch filter for different values of Δ L
Fig. 3. Simulated (dots) and measured (solid) PolM- and PBI-based microwave photonic notch filter responses for different Δ L
Fig. 4. Frequency responses of the PolM- and PBI-based microwave photonic notch filter measured every 15 min for 5 h.
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