Canonic design of parallel cascades of symmetric two-port microring networks
V. Van, “Canonic design of parallel cascades of symmetric two-port microring networks”, IEEE/OSA Journal of Lightwave Technology, vol. 27, no. 2, pp. 4870, 2009 (web)
Exact realization of optical transfer functions with symmetric transmission zeros using the double-microring ladder architecture
H. L. Liew and V. Van, “Exact realization of optical transfer functions with symmetric transmission zeros using the double-microring ladder architecture”, IEEE/OSA Journal of Lightwave Technology., vol. 26, no. 14, pp. 2323 – 2331, 2008 (web)