A Room-Temperature Semiconductor Spaser Operating Near 1.5 um

Abstract

Room temperature spasing of surface plasmon polaritons at 1.46 micrometer wavelength has been demonstrated by sandwiching a gold-film plasmonic waveguide between optically pumped InGaAs quantum-well gain media. The spaser exhibits gain narrowing, the expected transverse-magnetic polarization, and mirror feedback provided by cleaved facets in a 1-mm long cavity fabricated with a flip-chip approach. The 1.06-micrometer pump-threshold of ~60 kW/cm2 is in good agreement with calculations. The architecture is readily adaptable to all-electrical operation on an integrated microchip.

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Document Details

Document Type
Technical Report
Publication Date
Apr 22, 2011
Accession Number
ADA541979

Entities

People

  • A. J. Makinen
  • Chul Soo Kim
  • F. S. Choa
  • I. Vurgaftman
  • J. P. Long
  • J. R. Meyer
  • K. Bussmann
  • Lei Cheng
  • Min Suk Kim
  • R. A. Flynn

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Electromagnetic Radiation
  • Electronics Laboratories
  • Flip Chips
  • Integrated Circuits
  • Laser Diodes
  • Lasers
  • Materials Science
  • Modules (Electronics)
  • Nonlinear Optics
  • Optical Phenomena
  • Optics
  • Polaritons
  • Quantum Wells
  • Refractive Index
  • Semiconductors
  • Surface Plasmon Polaritons
  • Surface Plasmons

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics
  • Quantum Computing