TY - JOUR AU - Tu, Y. AU - Goyal, I. AU - Gallawa, R. C2 - Optics Letters DA - 1990-12-20 00:12:00 LA - en M1 - 29 PB - Optics Letters PY - 1990 TI - Analyzing Integrated Optical Waveguides: A Comparison of Two New Methods ER -