T.Chattopadhyay, Optical Amplifiers, Chapter-1, “Semiconductor optical amplifier and programmable logic unit”, © Nova Science Publishers, Inc, Editor Galina Nemova (Ecole Polytechnique de Montreal, Canada), Chapter-1, pp. 1-20, ISBN: 978-1-61209-835-7. (Book Chapter)
J.N.Roy and T.Chattopadhyay, Design and architectures for digital signal processing, Chapter- , “All-optical quaternary logic based information processing: Challenges and opportunities ”, © INTECH Publishers, Edited by Dr. Gustavo Ruiz (University of Cantabria, Spain), Co-editor: Dr. Juan A. Michell (University of Cantabria, Spain), ISBN: 980-953-307-610-7. (Book Chapter)