Xingjiao ZHANG, Lili ZENG, Ruquan WEN, Jianbo LIAO, Xinwei LI. Design of multichannel filter based on surface plasmon polaritons[J]. Chinese Journal of Quantum Electronics, 2023, 40(6): 983
- Chinese Journal of Quantum Electronics
- Vol. 40, Issue 6, 983 (2023)
Fig. 1. (a) Three-dimensional schematic diagram and (b) two-dimensional structure diagram of slotted waveguide coupled structure
Fig. 2. Transmission spectrum of slotted waveguide coupled structure by simulation
Fig. 3. Simulation of magnetic field spatial distribution of slotted waveguide coupled structure at(a) 500 nm (mode 1) , (b) 625 nm (mode 2) , (c) 725 nm (mode 3) and (d) 600 nm (propagation forbidden) by FDTD
Fig. 4. (a) Transmission spectrum and (b) transmission peak-wavelength relation with different W(Wc = 250 nm, L = 600 nm, d = 10 nm, Ld= 0 nm)
Fig. 5. (a) Transmission spectrum and (b) transmission peak-wavelength relation with different Ld(Wc = 250 nm, L = 600 nm, d = 10 nm, W1 =W2=100 nm)
Fig. 6. (a) Transmission spectrum and (b) transmission peak-wavelength relation with different W and Ld(Wc = 250 nm, L = 600 nm, d = 10 nm)
Fig. 7. (a) Transmission spectrum and (b) transmission peak-wavelength relation with different Wc(W = 120 nm, L = 600 nm, d = 10 nm)
Fig. 8. (a) Transmission spectrum and (b) magnetic field distribution of mode 1-4 with Wc = 450 nm
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