Laguerre-Gaussian mode sorter (Technical Version)

Navigation
02:40 - Background (2D orthogonal sets, Fourier Optics, Beam Optics, LG/HG modes)
13:03 - Why is mode sorting difficult? (00:13:04:03)
15:48 - Multi-plane light conversion and spatial transformations
25:44 - Calculation of MPLC phase masks
27:33 - 210 mode example
30:06 - Simple 4-plane example
35:02 - Adiabatic 101-plane example
36:34 - Plane-count dependence
38:33 - Experimental setup
41:33 - Experimental results for 210 mode device
42:51 - Effect of pixel blur
45:32 - Simulated vs. measured results
45:51 - Background (Singular Value Decomposition & MDL)
56:07 - Mode-count dependence
58:35 - Experimental results for 325 mode device

[@zc3373]

Really impresive!

[@smtsjhr]

nice work!