D. J.  Ironside, Salas, R., Chen, P. - Y., Le, K. Q., Alú, A., and Bank, S. R., ?Enhancing THz generation in photomixers using a metamaterial approach?, Optics express, vol. 27, pp. 9481?9494, 2019.

E. M.  Krivoy, Vasudev, A. P., Rahimi, S., Synowicki, R. A., McNicholas, K. Marshall, Ironside, D. J., Salas, R., Kelp, G., Jung, D., Nair, H. P., and , ?Rare-earth monopnictide alloys for tunable, epitaxial, designer plasmonics?, ACS Photonics, vol. 5, pp. 3051?3056, 2018.