An integrated surface-plasmon source.

  • Kim C
  • Vurgaftman I
  • Flynn R
 et al. 
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A compact and versatile source of coherent surface-plasmon polaritions (SPPs) is demonstrated by end-coupling a laser diode operating at 1.46 microm to a plasmonic waveguide integrated on the same microchip. With an optimized overlap between the spatial-modes of the laser and a planar-stripe waveguide, a high coupling efficiency of approximately 36% is achieved, that computations show could approach approximately 60% with smaller, readily achievable gaps between laser and waveguide. This integrated and electrically-activated source, with an available SPP power limited only by the laser diode, appears ideally suited for directly driving plasmonic circuitry or surface-enhanced sensors.

Author-supplied keywords

  • Lasers
  • Lighting
  • Lighting: instrumentation
  • Semiconductor
  • Surface Plasmon Resonance
  • Surface Plasmon Resonance: instrumentation
  • Systems Integration

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  • C S Kim

  • I Vurgaftman

  • R A Flynn

  • M Kim

  • J R Lindle

  • W W Bewley

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