1. K.C. Smith, The prospects for multi valued logic : a technology and applications view. IEEE Trans. Comput. C-30(9), 619–634 (1981)
2. J.N. Roy, T. Chattopadhyay, All-optical quaternary logic based information processing: challenges and opportunities, Chapter-4 of book “Design and architectures for digital Signal processing” Edited by Gustavo Ruiz and Juan A. Michell, ISBN 978-953-51-0874-0, InTech (2013)
3. H.J. Caulfield, S. Dolev, Why future supercomputing requires optics. Nat. Photonics 4, 262–263 (2010)
4. A. Yariv, P. Yeh, Photonics: optical electronics in modern communications (the oxford series in electrical and computer engineering), oxford university press (Inc. NewYork, NY, USA, 2006). ISBN 0195179463
5. T. Chattapadhyay, All optical symmetric ternary logic gate. Opt. Laser Technol. 42(6), 1014–1021 (2010)