Matrix Codes For Ultradense, Gigabit Optical CDMA Networks

Several seminal research efforts have shown that pseudo-orthogonal (0,l) pulse sequences can be readily translated into optical code division multiple access (optical CDMA) waveforms and associated optical correlators.These (0,l) pulse sequences are derivable by combinatorics methods (Ref.l,2). While these (0,l) pulse sequences are extremely convenient for synthesis, analysis, and simulation, they are inefficient from the viewpoint of physical implementation in the sense that they require a "time penalty" (ratio of bit time to chip time) given by