Results 11 to 20 of about 540 (169)

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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Large-scale monolayer molybdenum disulfide (MoS2) for mid-infrared photonics

Nanophotonics, 2020
Mid-infrared (MIR) photonics has attracted tremendous interest because of its broad applications at atmospheric windows. In this work, we report high-performance MIR photonics based on large-scale and good-quality monolayer molybdenum disulfide (MoS2 ...
Pan Han, Chu Hongwei, Pan Zhongben, Zhao Shengzhi, Yang Ming, Chai Jianwei, Wang Shijie, Chi Dongzhi, Li Dechun   +8 more
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Substrate and Excitation Intensity Dependence of Saturable Absorption in Perovskite Quantum Dot Films

Nanomaterials, 2023
Saturable absorption in perovskite quantum dot (PQD) films, leading to saturation in photoluminescence (PL), is reported. PL of drop-casting films was used to probe how excitation intensity and host–substrate influence the growth of PL intensity. The PQD
Mithun Bhowmick, Bruno Ullrich, Madeline Murchland, Xuan Zhou, Chari Ramkumar   +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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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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Investigation of Broadband Optical Nonlinear Absorption and Transient Dynamics in Orange IV Containing Azobenzene

Molecules, 2023
Broadband reverse saturable absorption is systematically investigated via Z-scan, transient absorption spectrum (TAS). The excited state absorption and negative refraction of Orange IV are observed in the Z-scan experiment at 532 nm.
Quanhua Wu, Rui Ruan, Xingxing Li, Yujie Zhao, Yang Li, Yu Fang, Yongqiang Chen, Quanying Wu, Yinglin Song, Xingzhi Wu   +9 more
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