Chotiwattana, W., Yupapin, P., & Rattanathanawan, P. (2018). The Coupling Soliton Equations for 3x3 Optical Coupler Characterization. CURRENT APPLIED SCIENCE AND TECHNOLOGY, 1(1), 51–55. retrieved from https://li01.tci-thaijo.org/index.php/cast/article/view/153102