Chen, Juan, Anxue Zhang, and Jianjun Li. “Study on Band Gaps of the Photonic Crystal in THz Frequency Range Based on the Periodic WCS-PSTD Method”. Applied Computational Electromagnetics Society Journal (ACES) 30, no. 09 (August 22, 2021): 981–989. Accessed April 22, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/10393.