supported by the National Basic Research Program of China (No.2009CB724007);the National High-Tech R & D Program (863) of China (No.2009AA01Z112);the National Natural Science Foundation of China (No.60807005)
In order to simplify the threshold determination,reduce the inter-pixel cross-talk,and improve the storage density for high-density volume holographic data storage,a two-dimensional constant-weight sparse modulation c...