National Key R&D Program of China(2017YFA0303800);National Natural Science Foundation of China(11674180,91750204);PCSIRT(IRT_13R29);Higher Education Discipline Innovation Project(B07013)
We propose a method to generate specially shaped high-order singular beams of pre-designed intensity distributions. Such a method does not a priori assume a phase formula, but rather relies on the 'cake-cutting and as...