Yi ZHANG, Mingzhe LI, Tong WANG, Yulin SHEN, Jie YANG, Ming XIN. The Arm Locking Controller Design for Space-based Gravitational Wave Observatories[J]. Acta Photonica Sinica, 2025, 54(2): 0254107
- Acta Photonica Sinica
- Vol. 54, Issue 2, 0254107 (2025)
Fig. 1. Principle of arm locking （S： spacecraft； PM： phase meter）
Fig. 2. The layered architecture for the design of the arm locking system
Fig. 3. Noise-coupled single arm locking system
Fig. 4. The amplitude responses in the noise-coupled single arm locking system
Fig. 5. Simulation diagram of noise-coupled single arm locking system
Fig. 6. Equivalent phase noise spectral density of different noises in the noise-coupled single arm locking system
Fig. 7. Noise-coupled dual arm locking system
Fig. 8. The amplitude responses in the noise-coupled dual arm locking system
Fig. 9. Simulation diagram of noise-coupled dual arm locking system
Fig. 10. Equivalent phase noise spectral density of different noises in the noise-coupled dual arm locking system
Fig. 11. Noise-coupled common arm locking system
Fig. 12. The amplitude responses in the noise-coupled common arm locking system
Fig. 13. Simulation diagram of noise-coupled common arm locking system
Fig. 14. Equivalent phase noise spectral density of different noises in the noise-coupled common arm locking system
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Table 1. Noise parameters of simulation
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