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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8954–8961

A room-temperature semiconductor spaser operating near 1.5 μm

R. A. Flynn, C. S. Kim, I. Vurgaftman, M. Kim, J. R. Meyer, A. J. Mäkinen, K. Bussmann, L. Cheng, F.-S. Choa, and J. P. Long  »View Author Affiliations

Optics Express, Vol. 19, Issue 9, pp. 8954-8961 (2011)

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Room temperature spasing of surface plasmon polaritons at 1.46 μm 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-μm 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.

© 2011 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.6080) Optical devices : Sources
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Integrated Optics

Original Manuscript: March 4, 2011
Revised Manuscript: April 8, 2011
Manuscript Accepted: April 16, 2011
Published: April 22, 2011

R. A. Flynn, C. S. Kim, I. Vurgaftman, M. Kim, J. R. Meyer, A. J. Mäkinen, K. Bussmann, L. Cheng, F.-S. Choa, and J. P. Long, "A room-temperature semiconductor spaser operating near 1.5 μm," Opt. Express 19, 8954-8961 (2011)

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