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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 1 — Jan. 1, 2014
  • pp: 5–8

Cascade-pumped random lasers with coherent emission formed by Ag–Au porous nanowires

Yanrong Wang, Xiaoyu Shi, Yanyan Sun, Ruqiang Zheng, Sujun Wei, Jinwei Shi, Zhaona Wang, and Dahe Liu  »View Author Affiliations

Optics Letters, Vol. 39, Issue 1, pp. 5-8 (2014)

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A series of sequentially cascade-pumped random lasers is reported. It consists of three random lasers in which the Ag–Au bimetallic porous nanowires play the role of scatterers, and the gain materials are coumarin 440 (C440), coumarin 153 (C153), and rhodamine 6G (R6G), respectively. The random laser with C440 is first pumped by a 355 nm pulsed laser. The emission of C440 pumps the C153, and the emission of C153 pumps the R6G sequentially. Low-threshold coherent emissions from the three random lasers are observed. The cascade-pumped random lasers can be achieved easily with low cost and can be used in applications conveniently.

© 2013 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.5560) Lasers and laser optics : Pumping
(160.3918) Materials : Metamaterials

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 28, 2013
Manuscript Accepted: November 11, 2013
Published: December 16, 2013

Yanrong Wang, Xiaoyu Shi, Yanyan Sun, Ruqiang Zheng, Sujun Wei, Jinwei Shi, Zhaona Wang, and Dahe Liu, "Cascade-pumped random lasers with coherent emission formed by Ag–Au porous nanowires," Opt. Lett. 39, 5-8 (2014)

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