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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 6 — Mar. 14, 2011
  • pp: 5086–5092

Enhancement of pump efficiency of a visible wavelength organic distributed feedback laser by resonant optical pumping

Chun Ge, Meng Lu, Yafang Tan, and Brian T. Cunningham  »View Author Affiliations

Optics Express, Vol. 19, Issue 6, pp. 5086-5092 (2011)

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A 22× reduction in laser pump threshold and a 23× enhancement in energy conversion have been demonstrated on a second order distributed feedback (DFB) laser using a resonant optical pumping (ROP) technique. The ROP scheme couples the excitation light into a distinct resonant mode of the laser cavity through the illuminating at a specific resonant incident angle. Coupling excitation light into the resonant mode results in an enhanced near-field, which significantly increases pump absorption by the active medium. Consequently, high power conversion efficiency between pumping light and lasing emission is achieved and laser pump threshold power is reduced.

© 2011 OSA

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(260.2160) Physical optics : Energy transfer

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 7, 2011
Revised Manuscript: February 13, 2011
Manuscript Accepted: February 21, 2011
Published: March 2, 2011

Chun Ge, Meng Lu, Yafang Tan, and Brian T. Cunningham, "Enhancement of pump efficiency of a visible wavelength organic distributed feedback laser by resonant optical pumping," Opt. Express 19, 5086-5092 (2011)

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