1. Akosman, A.E., Mutlu, M., Kurt, H., Ozbay, E.: Dual-frequency division de-multiplexer based on cascade photonic crystal waveguides. Physica B (2012). doi: 10.1016/j.physb.2012.02.024
2. Momeni, B., Huan, J., Soltani, M., Askari, M., Mohammadi, S., Rakhshandehroo, M., Adibi, A.: Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms. Opt. Express 42, 2410–2422 (2006)
3. Bernier, D., Le Roux, X., Lupu, D., Marris-Morini, A., Vivien, L., Cassan, E.: Compact low crosstalk CWDM demultiplexer using photonic crystal superprism. Opt. Express 42, 17260–17214 (2008)
4. Khorshidahmad, A., Kirk, A.G.: Composite superprism photonic crystal demultiplexer: analysis and design. Opt. Express 48, 26518–26528 (2010)
5. Zhang, X., Liao, Q., Yu, T., Liu, N., Huang, Y.: Novel ultra-compact wavelength division demultiplexer based on photonic band gap. Opt. Commun. 285, 274–276 (2012)