Results 11 to 20 of about 8,159 (215)

Low- and High-Order Optical Nonlinearities of Quantum Dots

Photonics, 2022
Various potential applications of quantum dots (QDs) require knowledge of their optical nonlinearities. In this review, the third-order nonlinearities responsible for the saturable absorption, two-photon absorption, reverse saturable absorption, and ...
Rashid A. Ganeev
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Recent progress of pulsed fiber lasers based on transition-metal dichalcogenides and black phosphorus saturable absorbers

Nanophotonics, 2020
Transition-metal dichalcogenides (TMDCs) and black phosphorus (BP) are typical 2D materials with layer-dependent bandgaps, which are emerging as promising saturable absorption materials for pulsed fiber lasers.
Liu Xing, Gao Qun, Zheng Yang, Mao Dong, Zhao Jianlin   +4 more
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SiO₂ Passivated Graphene Saturable Absorber Mirrors for Ultrashort Pulse Generation

Nanomaterials, 2022
Owing to its broadband absorption, ultrafast recovery time, and excellent saturable absorption feature, graphene has been recognized as one of the best candidates as a high-performance saturable absorber (SA).
Hongpei Wang, Cheng Jiang, Huiyuan Chu, Hao Dai, Beibei Fu, Shulong Lu, Ziyang Zhang   +6 more
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Broadband nonlinear optical properties of red fluorescent carbon dots

Results in Physics, 2022
Carbon dots (CDs) provide ideal platforms for applications in bioimaging, sensing, and photocatalysis. Herein, a new type of red fluorescent carbon dot (RCD) is successfully synthesized, and its broadband nonlinear optical (NLO) properties are ...
Wenxuan Fan, Jun He, Hao Wei, Chen Zhang, Menglong Zhu, Defeng Xu, Si Xiao, Jiangling He, Zhihui Chen, Jianqiao Meng   +9 more
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Bi₂Te₃/Graphene Heterostructure as the Saturable Absorber for ~1.0 μm Passively Q-switched Solid State Pulsed Laser

Crystals, 2022
Due to the tunable nonlinear optical properties of the Bi2Te3/graphene heterostructure, stable solid state pulsed lasers based on the Bi2Te3/graphene saturable absorber have attracted intensive attention. In this work, the Bi2Te3/graphene heterostructure
Yijian Sun, Houping Xia
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Third-order nonlinear optical responses of CuO nanosheets for ultrafast pulse generation

Journal of Materiomics, 2022
As a representative transition metal oxide, cupric oxide (CuO) has attracted a lot of interest in miscellaneous fields. In the present work, the prominent third-order nonlinear optical (NLO) features of CuO nanosheets were demonstrated via the typical Z ...
Li Dong, Hongwei Chu, Ying Li, Shengzhi Zhao, Dechun Li   +4 more
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Terahertz saturable absorbers from liquid phase exfoliation of graphite

Nature Communications, 2017
Graphene shows promise for saturable absorption, a key property for ultrafast lasing, yet graphene saturable absorbers operating in the terahertz region suffer from low absorption modulation.
Vezio Bianchi, Tian Carey, Leonardo Viti, Lianhe Li, Edmund H. Linfield, A. Giles Davies, Alessandro Tredicucci, Duhee Yoon, Panagiotis G. Karagiannidis, Lucia Lombardi, Flavia Tomarchio, Andrea C. Ferrari, Felice Torrisi, Miriam S. Vitiello   +13 more
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Nonlinear optical studies of calcium tartrate crystals

Journal of Taibah University for Science, 2019
Calcium Tartrate crystals were synthesized using sol–gel technique. Linear optical studies of the crystals were carried out in the UV–Vis-NIR spectral range.
I. Rejeena, Vinoy Thomas, S. Mathew, Anit Elizabeth, P. Radhakrishnan, A. Mujeeb   +5 more
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Application of transition metal dichalcogenides in mid‐infrared fiber laser

Nano Select, 2021
Due to the special working wavelength and superb beam quality, the mid‐infrared fiber laser has a wide application prospect in the fields of biomedicine, military defense, laser manufacturing, atmospheric detection, space communication, etc.
Mengli Liu, Wenjun Liu, Ximei Liu, Yaorong Wang, Zhongming Wei   +4 more
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Tunable Gold Nanorods Q-Switcher for Pulsed Er-Doped Fiber Laser

IEEE Photonics Journal, 2017
We prepared the gold nanorods (GNRs) via seed-mediated growth method, and fabricated the fiber-compatible saturable absorption device with it. We found that the nonlinear absorption behavior of the fiber-compatible GNRs saturable absorber can be tuned by
Guobao Jiang, Yu Jin, Lili Miao, Lin Du, Zhe Kang, Bin Huang, Chujun Zhao, Shuangchun Wen   +7 more
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