Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4899133
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Funding
- National Natural Science Foundation of China [61378036, 61307058, 11304101, 11074078, 11474108]
- Natural Science Research Project for Colleges and Universities of Anhui Province, China [KJ2013Z284]
- Zhujiang New-Star Plan of Science and Technology in Guangzhou City [2014J2200008]
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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 similar to 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. (C) 2014 AIP Publishing LLC.
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