Prabha, K. R., Arunkumar, R. and Robinson, S. (2020) “All Optical Half Adder Based on Two Dimensional Photonic Crystals”, Emerging Trends in Engineering Research and Technology Vol. 6, pp. 45-62. Available at: https://stm1.bookpi.org/index.php/etert-v6/article/view/1677 (Accessed: 19June2026).