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Optics Express

Optics Express

  • Vol. 17, Iss. 7 — Mar. 30, 2009
  • pp: 5885–5890

Optical gain at 1550 nm from colloidal solution of Er3+-Yb3+ codoped NaYF4 nanocubes

Xiaofeng Liu, Yingzhi Chi, Guoping Dong, E Wu, Yanbo Qiao, Heping Zeng, and Jianrong Qiu  »View Author Affiliations

Optics Express, Vol. 17, Issue 7, pp. 5885-5890 (2009)

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We demonstrated optical amplification at 1550 nm with a carbon tetrachloride solution of Er3+-Yb3+ codoped NaYF4 nanocubes synthesized with solvo-thermal route. Upon excitation with a 980 nm laser diode, the nanocube solution exhibited strong near-infrared emission by the 4I13/24I15/2 transition of Er3+ ions due to energy transfer from Yb3+ ions. We obtained the highest optical gain coefficient at 1550 nm of 0.58 cm-1 for the solution with the pumping power of 200 mW. This colloidal solution might be a promising candidate as a liquid medium for optical amplifier and laser at the optical communication wavelength.

© 2009 Optical Society of America

OCIS Codes
(140.4480) Lasers and laser optics : Optical amplifiers
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: February 17, 2009
Revised Manuscript: March 20, 2009
Manuscript Accepted: March 23, 2009
Published: March 26, 2009

Xiaofeng Liu, Yingzhi Chi, Guoping Dong, E. Wu, Yanbo Qiao, Heping Zeng, and Jianrong Qiu, "Optical gain at 1550 nm from colloidal solution of Er3+-Yb3+ codoped NaYF4 nanocubes," Opt. Express 17, 5885-5890 (2009)

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