The possibility of compensating absorption in negative-index metamaterials (NIMs) doped by resonant nonlinear-optical centers is shown. The role of quantum interference and the extraordinary properties of four-wave parametric amplification of counterpropagating electromagnetic waves in NIMs are discussed.
© 2007 Optical Society of America
Original Manuscript: August 1, 2007
Manuscript Accepted: September 1, 2007
Published: October 12, 2007
Alexander K. Popov, Sergey A. Myslivets, Thomas F. George, and Vladimir M. Shalaev, "Four-wave mixing, quantum control, and compensating losses in doped negative-index photonic metamaterials," Opt. Lett. 32, 3044-3046 (2007)