Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber

Xiaolan Sun; Bin Zhou; Chuanhang Zou; Wei Zhao; Qianqian Huang; Nana Li; Tianxing Wang; Chengbo Mou; Tingyun Wang; Alan R. Kost

doi:10.1364/AO.57.003231

Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber

Xiaolan Sun, Bin Zhou, Chuanhang Zou, Wei Zhao, Qianqian Huang, Nana Li, Tianxing Wang, Chengbo Mou, Tingyun Wang, Alan R. Kost

Optical Sciences

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

11 Scopus citations

Abstract

We demonstrated a passively Q-switched erbium-doped fiber laser (EDFL) using PbS quantum dots in polystyrene films (QDPFs) as saturable absorbers (SAs). Compared to other SAs, PbS QDPFs have advantages of broad absorption range, high quantum yield, low cost, and facile preparation. We have successfully generated stable Q-switched pulses with an average output power of 40.19 mW, a single pulse energy of 586.1 nJ, a repetition rate of 68.04 kHz, a pulse width of 3.9 μs, and a signal-to-noise ratio of 50.5 dB under 660 mW pump power. The output of the EDFL has been monitored for 5 consecutive hours under laboratory conditions to show stable operation of the laser system.

Original language	English (US)
Pages (from-to)	3231-3236
Number of pages	6
Journal	Applied optics
Volume	57
Issue number	12
DOIs	https://doi.org/10.1364/AO.57.003231
State	Published - Apr 20 2018

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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title = "Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber",

abstract = "We demonstrated a passively Q-switched erbium-doped fiber laser (EDFL) using PbS quantum dots in polystyrene films (QDPFs) as saturable absorbers (SAs). Compared to other SAs, PbS QDPFs have advantages of broad absorption range, high quantum yield, low cost, and facile preparation. We have successfully generated stable Q-switched pulses with an average output power of 40.19 mW, a single pulse energy of 586.1 nJ, a repetition rate of 68.04 kHz, a pulse width of 3.9 μs, and a signal-to-noise ratio of 50.5 dB under 660 mW pump power. The output of the EDFL has been monitored for 5 consecutive hours under laboratory conditions to show stable operation of the laser system.",

author = "Xiaolan Sun and Bin Zhou and Chuanhang Zou and Wei Zhao and Qianqian Huang and Nana Li and Tianxing Wang and Chengbo Mou and Tingyun Wang and Kost, {Alan R.}",

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T1 - Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber

AU - Sun, Xiaolan

AU - Zhou, Bin

AU - Zou, Chuanhang

AU - Zhao, Wei

AU - Huang, Qianqian

AU - Li, Nana

AU - Wang, Tianxing

AU - Mou, Chengbo

AU - Wang, Tingyun

AU - Kost, Alan R.

PY - 2018/4/20

Y1 - 2018/4/20

N2 - We demonstrated a passively Q-switched erbium-doped fiber laser (EDFL) using PbS quantum dots in polystyrene films (QDPFs) as saturable absorbers (SAs). Compared to other SAs, PbS QDPFs have advantages of broad absorption range, high quantum yield, low cost, and facile preparation. We have successfully generated stable Q-switched pulses with an average output power of 40.19 mW, a single pulse energy of 586.1 nJ, a repetition rate of 68.04 kHz, a pulse width of 3.9 μs, and a signal-to-noise ratio of 50.5 dB under 660 mW pump power. The output of the EDFL has been monitored for 5 consecutive hours under laboratory conditions to show stable operation of the laser system.

AB - We demonstrated a passively Q-switched erbium-doped fiber laser (EDFL) using PbS quantum dots in polystyrene films (QDPFs) as saturable absorbers (SAs). Compared to other SAs, PbS QDPFs have advantages of broad absorption range, high quantum yield, low cost, and facile preparation. We have successfully generated stable Q-switched pulses with an average output power of 40.19 mW, a single pulse energy of 586.1 nJ, a repetition rate of 68.04 kHz, a pulse width of 3.9 μs, and a signal-to-noise ratio of 50.5 dB under 660 mW pump power. The output of the EDFL has been monitored for 5 consecutive hours under laboratory conditions to show stable operation of the laser system.

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Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber

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