Microfiber-based gold nanorods as saturable absorber for femtosecond pulse generation in a fiber laser
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- Xu-De Wang
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
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- Zhi-Chao Luo
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
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- Hao Liu
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
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- Meng Liu
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
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- Ai-Ping Luo
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
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- Wen-Cheng Xu
- South China Normal University 1 Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, , Guangzhou, Guangdong 510006, China
書誌事項
- 公開日
- 2014-10-20
- DOI
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- 10.1063/1.4899133
- 公開者
- AIP Publishing
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説明
<jats:p>We reported on the femtosecond pulse generation from an erbium-doped fiber (EDF) laser by using microfiber-based gold nanorods (GNRs) as saturable absorber (SA). By virtue of the geometric characteristic of microfiber-based GNRs, the optical damage threshold of GNRs-SA could be greatly enhanced. The microfiber-based GNRs-SA shows a modulation depth of 4.9% and a nonsaturable loss of 21.1%. With the proposed GNRs-SA, the fiber laser emitted a mode-locked pulse train with duration of ∼887 fs. The obtained results demonstrated that the GNRs deposited microfiber could indeed serve as a high-performance SA towards the practical applications in the field of ultrafast photonics.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 105 (16), 2014-10-20
AIP Publishing
