Fig. 1. Schematic diagram of anchor resonator MIM structure filter

Fig. 2. Transmission spectrum of filters with different resonators

Fig. 3. Electric field distribution at each wavelength

Fig. 4. Transmission line with changing θ when H=300 nm and R=150 nm

Fig. 5. Spectrum of resonance wavelength with changing θ

Fig. 6. Transmission line and resonance wavelength shift with changing H when θ=75°，R=150 nm

Fig. 7. Transmission line and resonance wavelength shift with changing R when θ=75°，H=150 nm

Fig. 8. Effect diagram of band stop filtering under communication window

Fig. 9. Medium with different refractive index n filled in the anchor resonator