Multimode interference device in 2-D non-uniform photonic crystal slab

Yang Jiao, Xiaofang Yu, Shanhui Fan, David A. Miller
2004 Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies   unpublished
We propose novel multimode interference structures based on photonic crystals with gradually changing lattices, enabling unique functionalities including a 9.4µm-long waveguide mode converter. We analyze the structure's properties through an intuitive Bloch wave multi-ray tracing.
doi:10.1364/iqec.2004.ifd5 fatcat:3pxkkky3dzdnzmxndalrkswbfu