Hoffman, Anthony J.Podolskiy, Viktor A.Sivco, Deborah L.Gmachl, Claire2014-03-052020-02-142014-03-052020-02-142008-10-13Hoffman, A. J., Podolskiy, V. A., Sivco, D. L., Gmachl, C. (2008, October 13). Sub-diffraction negative and positive index modes in mid-infrared waveguides. Optics Express 16(21), 16404-16409. http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-16-21-1640410.1364/OE.16.016404http://hdl.handle.net/20.500.12517/137Viktor A. Podolskiy serves on the faculty at UMass Lowell in the Department of Physics & Applied Physics.en-USArticle