Journal
OPTICS EXPRESS
Volume 27, Issue 17, Pages 24670-24681Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.024670
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Funding
- National Natural Science Foundation of China [11674199, 51707111, 61205174]
- Natural Science Foundation of Shandong Province [2017GGX20120, ZR2016FP01, ZR2018QF006]
- China Postdoctoral Science Foundation [2016M602177]
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In this study, the output energy in topological insulators (TIs)-based Erbium-doped fiber laser (EDFL) was improved using two strategies: bidirectional pumped laser cavity and saturable absorber (SA) with high damage threshold and large modulation depth. Using the chemical vapor deposition (CVD) method, Bismuth Selenide (Bi2Se3) film was synthesized and improved to a SA. Employing this CVD-Bi2Se3 SA in an EDFL, bright and bright-dark soliton operations were achieved. The average output power/pulse energy was 82.6 mW/48.3 nJ and 81.2 mW/47.5 nJ, respectively. The results demonstrate that CVD-Bi2Se3 can act as an excellent performance material to improve output power performance in TISA-based EDFL. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
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