Fig. 1. Photonic lantern mode control performance analysis system

Fig. 2. Sampling and processing of light field image

Fig. 3. Comparison of gray value of three channels between original light field image and restored image obtained according to gray matrix recovery

Fig. 4. Output light field and standard modes with different combiming powers

Fig. 5. Curve of maximum Gaussian fitting degree of far-field light field of output light

Fig. 6. Variation of VDVGM and beam combining loss with beam combining power