DataVXAdvanced Optical MaterialsPaper
journal article·2026-01Open access

Bimetallic PtNi Octahedral Alloy Nanoparticles as Broadband Nonlinear Optical Modulators for Ultrafast Photonics (Advanced Optical Materials 4/2026)

Jiale Chao, Boyang Deng, Chuanxue Huang, Wenhao Lyu, Zhihong Sun, Jingjing Guo, Yuzheng Guo, Bo Fu, Haichang Lu, Wei Zhou

Advanced Optical Materials· Volume 14· Issue 4
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Source abstract

Abstract

PtNi Nonlinear Photonics PtNi octahedral alloy nanoparticles, oil-phase synthesized, depict an alloyed platform for nonlinear photonics. Near-infrared multiwavelength Q-switched operation is realized in 1-, 1.5-, and 2-µm bands with PtNi saturable absorbers. First principles calculations identify surface ferromagnetic Ni as the major absorption center, enabling the enhanced nonlinear response and broadband ultrafast modulation. More details can be found in the Research Article by Bo Fu, Haichang Lu, Wei Zhou, and co-workers (DOI: 10.1002/adom.202502331).
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Research context

Metals & alloysNanomaterials

OpenAlex topics: Advanced Fiber Laser Technologies · Nonlinear Optical Materials Studies · Plasmonic and Surface Plasmon Research

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Affiliations

Hangzhou International Innovation Institute Beihang University Hangzhou 311115 China

Key Laboratory of Precision Opto‐Mechatronics Technology of Education Ministry School of Instrumentation and Optoelectronic Engineering Beihang University Beijing 100191 China

National Superior College for Engineers Beihang University Beijing 100191 China

Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University Beijing 100191 China

National Key Lab of Spintronics Institute of International Innovation Beihang University Yuhang District Hangzhou 311115 China

School of Chemistry Beijing Advanced Innovation Center for Biomedical Engineering Beihang University Beijing 100191 China

School of Power and Mechanical Engineering Wuhan University Wuhan 430072 China

References

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