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This study presents the implementation of an all-optical binary logic halfadder by employing triple core photonic crystal fiber (TPCF). The noteworthyfeature of the present investigation is that an identical set of TPCF schemes,which demonstrated all-optical logic functions in our previous report hasrevealed the ability to demonstrate the successful half adder operation. Thecontrol signal (CS) power defining the extinction ratios of the output portsfor the considered symmetric planar and triangular TPCFs are evaluated throughnumerical algorithm. Through suitable CS power and input combinations, thelogic outputs are generated from extinction ratios to demonstrate the halfadder operation. The results obtained display the significant influence of theinput conditions on the delivery of half adder operation for different TPCFschemes considered. Furthermore, chloroform filled TPCF structures demonstratedthe efficient low power half adder operation with significant figure of merit,compared to that of the silica counterpart.

Logic gates based all-optical binary half adder using triple core PCF