Phys. Rev. Lett. 100, 023902 (2008) [4 pages]One-Way Electromagnetic Waveguide Formed at the Interface between a Plasmonic Metal under a Static Magnetic Field and a Photonic CrystalReceived 10 June 2007; revised 25 September 2007; published 17 January 2008 We demonstrate theoretically the existence of one-way electromagnetic modes in a waveguide formed between a semi-infinite photonic crystal structure and a semi-infinite metal region under a static magnetic field. Such a waveguide provides a frequency range where only one propagating direction is allowed. In this frequency range, disorder-induced scattering is completely suppressed. Such a waveguide also modifies the basic properties of waveguide-cavity interaction. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.023902
DOI:
10.1103/PhysRevLett.100.023902
PACS:
42.70.Qs, 41.20.Jb
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