Abstract
We describe a novel scheme for all-optical image encoding/decoding, for transmission via a serial link. In our method, the pixels of the coherent input image are encoded using orthogonal binary phase codes and the sum of the resultant optical fields transmitted via the link. At the receiving end, the field is divided spatially into output pixels, and each output pixel has impressed upon it the conjugate of one of the input pixel phase codes. The output pixel fields are then combined interferometrically with a reference beam and the resultant intensity fluctuations averaged over the phase code sequence, to recover the original input image information.
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