@inproceedings{2c5e6e95c791485683e66f96ba69aa73,
title = "Determination of sign of refractive index of active media via time-domain calculation",
abstract = "We show that the signs of the real and imaginary parts of the refractive index of a physically-realizable linear active medium can be unambiguously determined using a finitedifference calculation in the time domain.",
author = "Geddes, {Joseph B.} and Mackay, {Tom G.} and Akhlesh Lakhtakia",
year = "2007",
doi = "10.1364/fio.2007.fwd3",
language = "English (US)",
isbn = "1557528462",
series = "Optics InfoBase Conference Papers",
publisher = "Optical Society of America (OSA)",
booktitle = "Frontiers in Optics, FiO 2007",
note = "Frontiers in Optics, FiO 2007 ; Conference date: 16-09-2007 Through 16-09-2007",
}