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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 12457–12462

Lasing action in gallium nitride quasicrystal nanorod arrays

Shih-Pang Chang, Kuok-Pan Sou, Chieh-Han Chen, Yuh-Jen Cheng, Ji-Kai Huang, Chung-Hsiang Lin, Hao-Chung Kuo, Chun-Yen Chang, and Wen-Feng Hsieh  »View Author Affiliations

Optics Express, Vol. 20, Issue 11, pp. 12457-12462 (2012)

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We report the observation of lasing action from an optically pumped gallium nitride quasicrystal nanorod arrays. The nanorods were fabricated from a GaN substrate by patterned etching, followed by epitaxial regrowth. The nanorods were arranged in a 12-fold symmetric quasicrystal pattern. The regrowth grew hexagonal crystalline facets and core-shell multiple quantum wells (MQWs) on nanorods. Under optical pumping, multiple lasing peaks resembling random lasing were observed. The lasing was identified to be from the emission of MQWs on the nanorod sidewalls. The resonant spectrum and mode field of the 12-fold symmetric photonic quasicrystal nanorod arrays is discussed.

© 2012 OSA

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(160.3380) Materials : Laser materials
(160.6000) Materials : Semiconductor materials
(290.5890) Scattering : Scattering, stimulated

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 29, 2012
Revised Manuscript: May 8, 2012
Manuscript Accepted: May 12, 2012
Published: May 17, 2012

Shih-Pang Chang, Kuok-Pan Sou, Chieh-Han Chen, Yuh-Jen Cheng, Ji-Kai Huang, Chung-Hsiang Lin, Hao-Chung Kuo, Chun-Yen Chang, and Wen-Feng Hsieh, "Lasing action in gallium nitride quasicrystal nanorod arrays," Opt. Express 20, 12457-12462 (2012)

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