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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4537–4540

Controllable single-mode random laser using stimulated Raman gain

Ehsan Shojaie, Azam Mirzaei, and Alireza Bahrampour  »View Author Affiliations


Optics Letters, Vol. 39, Issue 15, pp. 4537-4540 (2014)
http://dx.doi.org/10.1364/OL.39.004537


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Abstract

The present study demonstrates numerically a novel approach to perform a controllable single-mode random laser, using stimulated Raman gain. Due to the narrow linewidth of the Raman line shape, only one of the modes of the passive random system can lase. The robust control on the emission spectrum was achieved through the selection of any desired quasi-modes, by adjusting the pump wavelength in order to place the center of Raman line shape on desired quasi-modes. This approach was proved using a developed nonlinear transfer matrix method for a 1D Raman random system. The proposed method includes the Raman gain saturation and the frequency-dependent index of refraction.

© 2014 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3600) Lasers and laser optics : Lasers, tunable
(190.5650) Nonlinear optics : Raman effect
(290.4210) Scattering : Multiple scattering

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 6, 2014
Revised Manuscript: June 23, 2014
Manuscript Accepted: June 25, 2014
Published: July 29, 2014

Citation
Ehsan Shojaie, Azam Mirzaei, and Alireza Bahrampour, "Controllable single-mode random laser using stimulated Raman gain," Opt. Lett. 39, 4537-4540 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-15-4537

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