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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 1 — Jan. 13, 2014
  • pp: 519–524

Enhanced thermal stability of oleic-acid-capped PbS quantum dot optical fiber amplifier

Xiaolan Sun, Rong Dai, Juanjuan Chen, Wei Zhou, Tingyun Wang, Alan R. Kost, Chia-Kuang (Frank) Tsung, and Zesheng An  »View Author Affiliations

Optics Express, Vol. 22, Issue 1, pp. 519-524 (2014)

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Poor thermal stability has remained a severe obstacle for practical applications of optical fiber amplifiers based on quantum dots (QDs). We demonstrate that thermal stability at elevated temperatures can be achieved by using oleic-acid-capped QDs. Optical fiber amplifiers using oleic-acid-capped QDs for the gain medium exhibited stable gain of more than 5 dB at 1550 nm between 25 °C and 50 °C that did not degrade upon cooling. In contrast, fiber amplifiers employing oleylamine-capped QDs exhibited reduced gain when heated and subsequently cooled.

© 2014 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4510) Fiber optics and optical communications : Optical communications
(160.4236) Materials : Nanomaterials

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 7, 2013
Revised Manuscript: December 9, 2013
Manuscript Accepted: December 10, 2013
Published: January 3, 2014

Xiaolan Sun, Rong Dai, Juanjuan Chen, Wei Zhou, Tingyun Wang, Alan R. Kost, Chia-Kuang (Frank) Tsung, and Zesheng An, "Enhanced thermal stability of oleic-acid-capped PbS quantum dot optical fiber amplifier," Opt. Express 22, 519-524 (2014)

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