Hiroshi Maeda Yuting Bao Numerical Analysis of Cavities in Photonic Crystal Waveguide for Filtering. 455-459 2015 BWCCA https://doi.org/10.1109/BWCCA.2015.65 https://doi.ieeecomputersociety.org/10.1109/BWCCA.2015.65 conf/bwcca/2015 db/conf/bwcca/bwcca2015.html#MaedaB15