Rapid generation of birefringent nanostructures by spatially and energy manipulated femtosecond lasers for ultra-high speed 5D optical recording exceeding MB/s

In the current era of data explosion, developing a data storage method that combines longevity, large capacity, and fast read/writing capabilities has become imperative. A promising approach is the nanogratings-based 5D optical data storage, which is realized by femtosecond lasers processing of s…