Xiyu GONG, Peng ZHANG, Xiaojie WU, Hang NAN, Daifang GUO, Chao WANG, Shoufeng TONG. Research on Influence of Aberration and Turbulence on Performance of 90° Space Optical Hybrid[J]. Acta Photonica Sinica, 2021, 50(4): 66
- Acta Photonica Sinica
- Vol. 50, Issue 4, 66 (2021)
Fig. 1. Spatial homodyne coherent optical communication system based on BPSK modulation format
Fig. 2. Schematic of 90° space optical hybrid structure
Fig. 3. The influence curve of five primary aberrations on the hybrid efficiency of the space output 90° space optical hybrid under different target radius conditions
Fig. 4. The influence curve of five primary aberrations on the hybrid efficiency of the single-mode output type 90° space light hybrid
Fig. 5. Relation curve between hybrid efficiency and turbulence intensity
Fig. 6. 90° space optical hybrid
Fig. 7. The effect of primary aberration on mixing efficiency experimental optical path
Fig. 8. Two-dimensional and three-dimensional images of five primary aberrations simulated by the experiment
Fig. 9. Intermediate frequency signal output peak-to-peak ratio with aberration and without aberration
Fig. 10. The ratio of the output optical power when the signal light is input to the hybrid alone with and without aberration
Fig. 11. Random phase plate overall phase distribution
Fig. 12. Wavefront aberration introduced by different positions of random phase plate
Fig. 13. Dynamic turbulence simulation experiment
Fig. 14. Amplitude change of 90° space optical hybrid
Fig. 15. Peak-to-peak Intermediate frequency signal at 20 sampling points within 5 minutes
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