Physics – Quantum Physics
Scientific paper
2008-05-12
Phys. Rev. Lett. 101, 263601 (2008)
Physics
Quantum Physics
4 pages, 5 figures
Scientific paper
10.1103/PhysRevLett.101.263601
We propose fast all-optical control of surface polaritons (SPs) by placing an electromagnetically induced transparency (EIT) medium at an interface between two materials. EIT provides longitudinal compression and a slow group velocity while matching properties of the two materials at the interface provides strong transverse confinement. In particular we show that an EIT medium near the interface between a dielectric and a negative-index metamaterial can establish tight longitudinal and transverse confinement plus extreme slowing of SPs, in both transverse electric and transverse magnetic polarizations, while simultaneously avoiding losses.
Kamli Ali
Moiseev Sergey A.
Sanders Barry C.
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