Plasmonic laser

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Plasmonic laser[1][2][3] refers to a type of laser which aims to confine the light at subwavelength scale far below the Rayleigh's diffraction limit of light, by storing some of the light energy through electron oscillations called surface plasmon polaritons. Due to the role of the surface plasma excitations in their operation, they are sometimes called SPASERs[4] that stands for Surface Plasmon Amplification by Stimulated Emission of Radiation.


On the applied front, myriad prospects could arise, among them the fabrication of ultra-fast photonic nano circuits with unprecedented performance and the improvement of techniques such as nanolithography and single-molecule biochemical sensing.

  1. ^ Oulton, Rupert F.; Sorger, Volker J.; Zentgraf, Thomas; Ma, Ren-Min; Gladden, Christopher; Dai, Lun; Bartal, Guy; Zhang, Xiang (2009). "Plasmon lasers at deep subwavelength scale". Nature 461 (7264): 629–632. doi:10.1038/nature08364. ISSN 0028-0836. PMID 19718019. 
  2. ^ Ma, Ren-Min; Oulton, Rupert F.; Sorger, Volker J.; Bartal, Guy; Zhang, Xiang (2010). "Room-temperature sub-diffraction-limited plasmon laser by total internal reflection". Nature Materials 10 (2): 110–113. doi:10.1038/nmat2919. ISSN 1476-1122. 
  3. ^ Noginov, M. A.; Zhu, G.; Belgrave, A. M.; Bakker, R.; Shalaev, V. M.; Narimanov, E. E.; Stout, S.; Herz, E.; Suteewong, T.; Wiesner, U. (2009). "Demonstration of a spaser-based nanolaser". Nature 460 (7259): 1110–1112. doi:10.1038/nature08318. ISSN 0028-0836. 
  4. ^ Surface Plasmon Amplification by Stimulated Emission of Radiation: Quantum Generation of Coherent Surface Plasmons in Nanosystems, David J. Bergman and Mark I. Stockman, Phys. Rev. Lett. 90, 027402 (2003)

4. V.K.Tripathi and C.S Liu, A Surface Plasmon Laser, J.Appl. Physics 104, 033306(2008).