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(a) Schematic diagram and (b) Truth table for half adder.

(a) Schematic diagram and (b) Truth table for half adder.

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Figure 1: (a) Schematic diagram and (b) Truth table for half adder.
Figure 2: Schematic and input configurations of (a) Planar and (b)...
Logic gates based all-optical binary half adder using triple core PCF
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  • Jun 2021
This study presents the implementation of an all-optical binary logic half adder by employing triple core photonic crystal fiber (TPCF). The noteworthy feature of the present investigation is that an identical set of TPCF schemes, which demonstrated all-optical logic functions in our previous report has revealed the ability to demonstrate the succe...
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... can be achieved through the combination of XOR and AND logic gates form heart of digital processors. A triple core fiber coupler based numerical study for employing planar coupler to achieve half adder with apt control signal (CS) has been realized by Menezes et al [23,24]. A schematic and truth table for logic operation of half adder is shown by Fig. 1 (a & b). But till date, the achievement of half adder employing the triple core PCF (TPCF) has not been realized. However, the TPCF with excellent combination nonlinear and dispersion characteristics allow it to be employed as a best candidate for the digital all optical controlled system to achieve half adder. Hence, the study intends to ...