@article{dkjosa2006, author = "N. L. Tsitsas and Kaklamani, Dimitra I. and N. K. Uzunoglu", journal = "Journal of the Optical Society of America A", month = "November", number = "11", title = "{R}igorous {I}ntegral {E}quation {A}nalysis of {N}on–{S}ymmetric {C}oupled {G}rating {S}lab {W}aveguid", volume = "23", year = "2006", }