Fig. 1. Typical one-to-many simultaneous laser networking architecture. (a) Region-based multi-beam direct shaping and control using liquid crystal phased array; (b) multi-beam control using optical waveguide phased array; (c) multi-point networking architecture with direct spherical distribution of optoelectronic transmitting and receiving components; (d) one-to-two simultaneous laser communication networking architecture based on polarization isolation

Fig. 2. Principle of rotating parabolic optical antenna. (a) Optical principle of parabolic reflector; (b) variation of pitch-axis field of view versus focal length in parabolic system

Fig. 3. Multi-transceiver optical antenna architecture based on rotating paraboloid. (a) Principle of rotating paraboloid antenna; (b) principle of multi-faceted splicing on rotating paraboloid substrate; (c) configuration of multi-faceted mirror spliced antenna on paraboloid substrate; (d) application scenario of one-to-three laser communication using rotating paraboloid antenna

Fig. 4. Multi-beam distribution architecture in networking terminal. (a) Master node with discrete architecture; (b) master node with integrated architecture

Fig. 5. One-to-two laser communication networking chain pointing acquisition and tracking process

Fig. 6. Model and physical image of space laser communication networking device

Fig. 7. Field test scenario of space laser communication networking and its airship and main optical terminals

Fig. 8. Tracking accuracy curve and its distribution for main terminal to airship link and main terminal to ground link. (a) Airship, azimuth axis; (b) airship, elevation axis; (c) ground, azimuth axis; (d) ground, elevation axis

Fig. 9. Fine tracking, communication joint test, and remote sensing image transmission demonstration of space laser communication networking