A review of the state-of-the-art of negative phase metamaterials is presented for which the phase velocity and group velocity form a backward wave mode. The scenarios embraced include loss, gain, solitons and slow light.
© 2007 Optical Society of America
A. D. Boardman, N. King, O. Hess, and Y. Rapoport, "Progress in Negative Phase Metamaterials," in Frontiers in Optics 2007/Laser Science XXIII/Organic Materials and Devices for Displays and Energy Conversion, OSA Technical Digest (CD) (Optical Society of America, 2007), paper FWJ1.
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