Design and Analysis of XOR Logic Gate Based on Two-Photon Absorption N.S. Nazir, M.H.A. Wahid, N.A.M.A. Hambali, M.M. Shahimin, N.Z. Khairuddin, N.H. Hasanuddin and M.M. Ramli MATEC Web Conf., 78 (2016) 01108 Published online: 07 October 2016 DOI: 10.1051/matecconf/20167801108