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Wang XD, Luo AP, Liu H, et al. Nanocomposites with gold nanorod/silica core-shell structure as saturable absorber for femtosecond pulse generation in a fiber laser. Opt Express. 2015;23(17):22602-10doi: 10.1364/OE.23.022602.
Wang, X. D., Luo, A. P., Liu, H., Zhao, N., Liu, M., Zhu, Y. F., Xue, J. P., Luo, Z. C., & Xu, W. C. (2015). Nanocomposites with gold nanorod/silica core-shell structure as saturable absorber for femtosecond pulse generation in a fiber laser. Optics express, 23(17), 22602-10. https://doi.org/10.1364/OE.23.022602
Wang, Xu-De, et al. "Nanocomposites with gold nanorod/silica core-shell structure as saturable absorber for femtosecond pulse generation in a fiber laser." Optics express vol. 23,17 (2015): 22602-10. doi: https://doi.org/10.1364/OE.23.022602
Wang XD, Luo AP, Liu H, Zhao N, Liu M, Zhu YF, Xue JP, Luo ZC, Xu WC. Nanocomposites with gold nanorod/silica core-shell structure as saturable absorber for femtosecond pulse generation in a fiber laser. Opt Express. 2015 Aug 24;23(17):22602-10. doi: 10.1364/OE.23.022602. PMID: 26368227.
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Opt Express. 2015 Aug 24;23(17):22602-10. doi: 10.1364/OE.23.022602.

Nanocomposites with gold nanorod/silica core-shell structure as saturable absorber for femtosecond pulse generation in a fiber laser.

Optics express

Xu-De Wang, Ai-Ping Luo, Hao Liu, Nian Zhao, Meng Liu, Yan-Fang Zhu, Jian-Ping Xue, Zhi-Chao Luo, Wen-Cheng Xu

PMID: 26368227 DOI: 10.1364/OE.23.022602

Abstract

Ultrafast fiber lasers play a significant role in our society with many aspects ranging from fundamental physics to industrial purposes. Searching for high-performance saturable absorbers (SAs) is vital to the developments of ultrafast fiber lasers. Gold nanorods (GNRs) have been discovered to possess saturable absorption effect. However, a major obstacle to make the GNRs as high-performance and practical SA is the low optical damage threshold. To overcome this drawback, herein we proposed the nanocomposites with gold nanorods/silica core-shell structure (GNRs@SiO(2)) as a high-performance SA for ultrashort pulse generation in a fiber laser. The GNRs@SiO(2) SA presents a modulation depth of 4.2% and nonsaturable loss of 45.6%. With the proposed GNRs@SiO(2) SA, 379 fs pulse was directly obtained from the fiber laser. The achieved results demonstrated that the GNR@SiO(2) could be indeed a good candidate of high-performance SA towards practical applications in the field of ultrafast photonics.

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