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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 19 — Sep. 23, 2013
  • pp: 22314–22319

Multicolour laser from a single bandgap-graded CdSSe alloy nanoribbon

Yize Lu, Fuxing Gu, Chao Meng, Huakang Yu, Yaoguang Ma, Wei Fang, and Limin Tong  »View Author Affiliations

Optics Express, Vol. 21, Issue 19, pp. 22314-22319 (2013)

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Multicolour lasing with wavelength varying from 578 nm to 640 nm is realized from a single bandgap-graded CdSSe alloy nanoribbon, by selecting the excited spot at room temperature. Though reabsorption is a serious problem to achieve lasing at short wavelength, multiple scatters on the nanoribbon form localized cavities, and thus lasing at different wavelengths is realized. By increasing the excitation area, multicolour lasing from the same nanoribbon is also observed simultaneously.

© 2013 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(160.4236) Materials : Nanomaterials

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 1, 2013
Revised Manuscript: June 23, 2013
Manuscript Accepted: September 9, 2013
Published: September 16, 2013

Yize Lu, Fuxing Gu, Chao Meng, Huakang Yu, Yaoguang Ma, Wei Fang, and Limin Tong, "Multicolour laser from a single bandgap-graded CdSSe alloy nanoribbon," Opt. Express 21, 22314-22319 (2013)

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