Mechanically exfoliated black phosphorus as a new saturable absorber for both Q-switching and Mode-locking laser operation.
By Yu Chen, Guobao Jiang, Shuqing Chen, Zhinan Guo, Xuefeng Yu, Chujun Zhao, Han Zhang, Q. Bao, Shuangchun Wen, Daiming Tang and 1 more. Optics Express, 2015
874 citations recorded by the source corpus.
Black phosphorus (BP), an emerging narrow direct band-gap two-dimensional (2D) layered material that can fill the gap between the semi-metallic graphene and the wide-bandgap transition metal dichalcogenides (TMDs), had been experimentally found to exhibit the saturation of optical absorption if under strong light illumination. By taking advantage of this saturable absorption property, we could fabricate a new type of optical saturable absorber (SA) based on mechanically exfoliated BPs, and further demonstrate the applications for ultra-fast laser photonics. Based on the balanced synchronous twin-detector measurement method, we have characterized the saturable absorption property of the fabricated BP-SAs at the telecommunication band. By incorporating the BP-based SAs device into the all-fiber Erbium-doped fiber laser cavities, we are able to obtain either the passive Q-switching (with maximum pulse energy of 94.3 nJ) or the passive mode-locking operation (with pulse duration down to 946 fs). Our results show that BP could also be developed as an effective SA for pulsed fiber or solid-state lasers.
Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/36491b1fd491006e576327b61b3fe51499f57ec4
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In Atomic and Molecular Physics, and Optics
In Materials Chemistry
Citations in the corpus
- Tellurene-based saturable absorber to demonstrate large-energy dissipative soliton and noise-like pulse generations (2020, background): “The nonlinear absorption properties of phosphorene were first reported in 2015 [42, 43].”
- High-performance mode-locked and Q-switched fiber lasers based on novel 2D materials of topological insulators, transition metal dichalcogenides and black phosphorus: review and perspective (invited) (2018, background): “4 mW Deposited on mirror [152] 639 nm 104 nJ 172 kHz 189 ns 18 mW Deposited on mirror [11] 1029 nm 0.”