Fig. 1. Structural diagram of THz filter and optical switch based on photonic crystals

Fig. 2. TE band structure of complete photonic crystal

Fig. 3. Electric field distribution and transmissivity at output port for optical signal with wavelength of 82.102 μm. (a) Electric field distribution without magnetic field; (b) transmissivity without magnetic field; (c) electric field distribution with magnetic field; (d) transmissivity with magnetic field

Fig. 4. Electric field distribution and transmissivity at output port for optical signal with wavelength of 92.879 μm. (a) Electric field distribution without magnetic field; (b) transmissivity without magnetic field; (c) electric field distribution with magnetic field; (d) transmissivity with magnetic field

Table 1. Performance parameters of filter and optical switch