Ravichandran, Dr. V., et al. “Crosstalk Two-Channel DWDM Photonic Demultiplexer Based on 2D Photonic Crystal With Circular Resonant Cavity”. INTERNATIONAL JOURNAL OF ADVANCES IN SIGNAL AND IMAGE SCIENCES, Jan. 2026, pp. 124-4, https://doi.org/10.29284/ijasis.12.1.2026.124-144.