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 Tsung; Zesheng An

doi:10.1364/OE.22.000519

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 Tsung, Zesheng An

Optical Sciences

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	519-524
Number of pages	6
Journal	Optics Express
Volume	22
Issue number	1
DOIs	https://doi.org/10.1364/OE.22.000519
State	Published - Jan 13 2014

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "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.",

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T1 - Enhanced thermal stability of oleic-acid-capped PbS quantum dot optical fiber amplifier

AU - Sun, Xiaolan

AU - Dai, Rong

AU - Chen, Juanjuan

AU - Zhou, Wei

AU - Wang, Tingyun

AU - Kost, Alan R.

AU - Tsung, Chia Kuang

AU - An, Zesheng

PY - 2014/1/13

Y1 - 2014/1/13

N2 - 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.

AB - 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.

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

Abstract

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