1. Agrawal, G.P.: Applications of Nonlinear Fiber Optics. Academic Press, USA (2002)
2. Agrell, E., Karlsson, M., Chraplyvy, A.R., Richardson, D.J., Krummrich, P.M., Winzer, P., Roberts, K., Fischer, J.K., Savory, S.J., Eggleton, B.J., Secondini, M., Kschischang, F. R., Lord, A.,Prat, J., Tomkos, I., Bowers, J.E., Srinivasan, S., Brandt-Pearce, M., Gisin, N.: Roadmap of optical communications,” Ch. 12: “Long-haul networks. Opt. 18, 063002 1–40 (2016)
3. Arun, V., Shukla, N.K., Singh, A.K., Singh, P.: Design and performance analysis of multiple all optical logic gates in a single photonic circuit. Opt. Quantum Electron. 48(36), 1–13 (2016)
4. Bonk, A.: Linear and Nonlinear Semiconductor Optical Amplifiers for Next-Generation Optical Networks. KIT Scientific Publishing, Germany (2013)
5. Borri, P., Scaffetti, S., Mørk, J., Langbein, W., Hvam, J.M., Mecozzi, A.: Measurement and calculation of the critical pulse width for gain saturation in semiconductor optical amplifiers. Opt. Commun. 164, 51–55 (1999)