Fig. 1. Bandwidths for different time delay schemes. (a) Delay on two sidebands and optical carrier; (b) delay on one sideband and optical carrier; (c) delay on only one sideband

Fig. 2. Structural diagram of optical time delay network

Fig. 3. Structure of antenna array. (a) Structure of one-dimensional linear array; (b) time delay network the fourth element linear array

Fig. 4. Intensity response of waveguide micro-rings with different loss coefficients at κ=0.3

Fig. 5. Simulated time delay curve for each path of micro-ring with the maximum scan angle (+30°). (a) Simulated time delay response curves of each path for time delay network; (b) enlarged map of time delay response at anti-resonance

Fig. 6. Structural diagram of micro-ring assisted MZI bandpass filter

Fig. 7. Intensity response curves of bandpass filter

Fig. 8. Target delay time versus loss under different propagation losses of waveguide