Compound chromatic dispersion has been calculated for ARROW waveguides. It shows anomalous behaviour when compared with regular asymmetric waveguides.

dx.doi.org/10.1016/0030-4018(90)90286-3
Optics Communications
Department of Electronics

Wartak, M.S., Chrostowski, J., Jiang, W. (Wenyan), & Syrett, B. (1990). Chromatic dispersion in arrow waveguides. Optics Communications, 76(3-4), 217–219. doi:10.1016/0030-4018(90)90286-3