A pioneering research team led by Professors Fu Shiyao and Gao Chunqing from the School of Optoelectronics at Beijing Institute of Technology (BIT) has announced a groundbreaking intelligent hybrid approach for managing multiple degrees of freedom within high-dimensional light fields. This innovative strategy marks the first instance where a single control device successfully orchestrates the synchronized regulation of six distinct degrees of freedom: laser wave vector, phase, amplitude, mode field distribution, orbital angular momentum (OAM), and spin angular momentum (SAM). This achievement introduces a novel paradigm for the manipulation of multiple degrees of freedom in high-dimensional light fields. In their experimental setup, the researchers employed metasurfaces as the platform, successfully managing ultra-high-dimensional light fields with a dimensionality as vast as 288.
