A novel model of all-optical reversible XOR/XNOR logic gate on a single photonic circuit

Abstract

The high speed and high volume of optical data are subjected to electronic conversions at the receiving end of the optical network for processing purposes. This optoelectronic conversion makes the system inefficient in terms of speed and bandwidth. When high-speed data are subjected to electronic processing, heat dissipates from electronic circuits. Another source of heat dissipation is the loss of information from the irreversible processors. The solution of this problem is reversible computing. This research paper proposes a novel 3 × 3 reversible XOR logic gate and XNOR logic gate in a single photonic circuit. The proposed photonic circuit works on the principles of cross-gain modulation and cross-phase modulation, which is introduced by the active regions of two semiconductor optical amplifier in a Mach–Zehnder interferometer structure. The proposed design works at 10 Gbps data rate. The average extinction ratio of the design is 18.58 dB, and the average quality factor is 63.03 dB. The optical cost of the proposed circuit is 1 unit.

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