Dipole nanolaser

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Dipole nanolaser

Protsenko, I. E.; Uskov, A. V.; Zaimidoroga, O. A.; Samoilov, V. N.; O'Reilly, Eoin P.
Date: 2005
Copyright: © 2005, American Physical Society
Related: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.71.063812
Citation: Protsenko, I. E., Uskov, A. V., Zaimidoroga, O. A., Samoilov, V. N. and O’Reilly, E. P. (2005) 'Dipole nanolaser', Physical Review A, 71(6), 063812 (7pp). doi: 10.1103/PhysRevA.71.063812
Published Version: 10.1103/PhysRevA.71.063812

Abstract:

A "dipole" laser is proposed consisting of a nanoparticle and a two-level system with population inversion. If the threshold conditions are fulfilled, the dipole interaction between the two-level system and the nanoparticle leads to coherent oscillations in the polarization of the particles, even in the absence of an external electromagnetic field. The emitted radiation has a dipolar distribution. It does not need an optical cavity, and has a very small volume, 0.1 mu m(3), which can be important for applications in microelectronics. Estimates of the threshold conditions are carried out for a dipole laser composed of a quantum dot and a silver nanoparticle.

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