by Hossain, Md Mottaleb, David, John P. R., Hayat, Majeed M.
Published in Journal of lightwave technology (01.07.2019)

by Geddes, John B., Firth, Willie J., Black, Kelly
Published in SIAM journal on applied dynamical systems (01.01.2003)

by McDonald, G.S., Karman, G.P., Woerdman, J.P., New, G.H.C.
Published in Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference (1999)

by Teich, M.C., Matsuo, K., Saleh, B.E.A.
Published in IEEE transactions on electron devices (01.10.1986)