硕士研究生指导教师简介
姓 名	方宇
性 别	男
出生年月	1989.01
最高学历、学位	博士研究生、博士
职 称	副教授
职 务
电子邮箱	yufang@usts.edu.cn

一、基本情况：

2016年毕业于苏州大学物理与光电·能源学部，获光学专业理学博士，导师宋瑛林教授。2016年09月入职以来主讲大学物理与普通物理学等本科生课程，2018年被遴选为硕士生导师。个人奖励与荣誉：2018年“江苏省基础物理教师上好一堂课讲课竞赛”一等奖；2016-2017年度苏州市自然科学优秀学术论文三等奖；2020年江苏省师范院校智慧教学竞赛三等奖；2021年太阳成集团61999青年教师标兵和交通银行奖教金。

二、主要研究领域及学术成果：

主要从事激光与物质相互作用领域研究工作，包括非线性光学测量技术，光功能材料的超快光动力学研究。具体包括：实验研究宽带隙半导体材料、微纳结构（量子点、纳米线）以及有机/无机半导体材料在飞秒尺度下的光学非线性和光动力学行为。研究材料的光克尔效应及多光子吸收光学非线性，以及材料内部超快电子弛豫和电荷转移过程，探究材料在光限幅、光开关、太阳能电池等现代光子学器件方面的应用。理论研究近零折射率材料和等离子体材料的非线性光学增强效应和超快光开关特性，探究其在光频转换，光通信器件方面的应用。主持国家自然科学基金青年基金和江苏省自然科学基金。近年来，在Applied Physics Letters、Journal of Physics D、Dyes and Pigments等学术期刊发表SCI论文60余篇，被引用500余次。

三、代表性科研成果：

[1]YingfeiSun,Yu Fang*, Zhongguo Li, et al. Free carrier-induced optical nonlinearities in β-Ga2O3 single crystals at 355 nm,Journal of Physics D: Applied Physics, 2021, 54, 495106.

[2]YingfeiSun,Yu Fang*, Zhongguo Li, et al. Ultrafast Dynamics of Optical Nonlinearities in β-Ga2O3,Frontiers in Materials, 2021, 8, 754842.

[3]Yu Fang*, Xingzhi Wu, Junyi Yang, et al. Carrier trapping and recombination at carbon defects in bulk GaN crystals grown by HVPE,Applied Physics Letters, 2021, 118(11), 112105.

[4]Yu Fang*, Xingzhi Wu, Qiangyong Chen, et al., Study on two-photon induced ultrafast carrier dynamcis in Ge-doped GaN by transient absorption spectroscopy,物理学报,2020,69(16), 168701.

[5]Yu Fang*, Yao Nie,XingZhi Wu, et al., Excitation wavelength-dependent carrier dynamics in n-type and semi-insulating 6H-SiC using ultrafast transient absorption spectroscopy,Journal of Applied Physics, 2019, 125(23), 235703.

[6]Yu Fang*, Junyi Yang, Zhengguo Xiao, et al., Ultrafast bulk carrier dynamics in various GaN crystals at near-infrared wavelengths under one- and two-photon absorption,Applied Physics Letters, 2019, 114(11), 112108.

[7]YaoNie,YuFang*, et al.,UltrafastCarrierDynamicsinn-TypeandSemi-Insulating6H-SiCCrystals,激光与光电子学进展,2019, 56(6), 063201.

[8]YuFang*,Xingzhi Wu, Junyi Yang, et al., Ultrafast bulk carrier recombination transients in n-type and semi-insulating 4H-SiC crystals,Applied Physics Letters, 2018, 112(20), 201904.

[9]Yu Fang*, Junyi Yang,ZhengguoXiao, et al.,Ultrafast all-optical modulation in Fe-doped GaN at 1.31 and 1.55 μm with high contrastand ultralow power,Applied Physics Letters, 2017, 110 (16), 161902.

[10]Yu Fang, Junyi Yang, Yong Yang, et al., Ultrafast carrier dynamics in p-type GaN wafer under different carrier distributions,Journal of Physics D: Applied Physics,2016, 49 (4), 045105.

[11]Yu Fang, Xingzhi Wu, Junyi Yang, et al., Effect of Fe-doping on nonlinear optical responses and carrier trapping dynamics in GaN single crystals,Applied Physics Letters, 2015, 107 (5), 051901.

[12]Yu Fang, Zhengguo Xiao, Xingzhi Wu, et al., Optical nonlinearities and ultrafast all-optical switching of m-plane GaN in the near-infrared,Applied Physics Letters, 2015, 106 (25), 251903.

[13]Yu Fang, Feng Zhou, Junyi Yang, et al., Anisotropy of two-photon absorption and free-carrier effect in nonpolar GaN,Applied Physics Letters, 2015, 106 (13), 131903.

[14]Yu Fang, Junyi Yang, Zhongguo Li, et al., Optical nonlinearities and carrier dynamics in Fe doped GaN single crystal,Applied Physics Letters, 2014, 105 (16), 161909.

[15]Yu Fang, Xing-Zhi Wu, Fei Ye, et al., Dynamics of optical nonlinearities in GaN,Journal of Applied Physics, 2013, 114 (10), 103507.

[16]Di Sun,Yu Fang, Kun Liu, et al., Ultrafast broadband nonlinear response of Al-doped Sb2Se3 at near-infrared,Materials Letters, 2022, 306, 130885.

[17]Zhengguo Xiao,Yu Fang, Yinglin Song, et al., Broadband Nonlinear Optical Response of Nitrogen-Doped Diamond,Frontiers in Materials, 2021, 8, 739448.

[18]Wenfa Zhou,Yu Fang,et al.,Anthracene derivatives as broadband nonlinear optical materials: nonlinear absorption and excited-state dynamics analysis,RSC Advance,2020, 10 (34), 19974.

[19]Jidong Jia, Xingzhi Wu,Yu Fang, et al., Ultrafast Broadband Optical Limiting in Simple Hydrazone Derivatives with π-Conjugated System: The Effect of Two-Photon Induced Singlet State Absorption,The Journal of Physical Chemistry C, 2020, 124 (8), 4701.

[20]Xiaoyan Yan, Xingzhi Wu,Yu Fang, et al., Ultrafast broadband reverse saturation absorption in Al-doped InSe thin films for optical limiting at visible/near-infrared,Optical Materials, 2020, 108, 110171.

[21]Linfang Wen,Yu Fang, et al., Comparison of third-order nonlinear optical properties of benzothiazolium salt and neutral benzothiazole derivative: Broadband absorption response and transient dynamic analysis,Dyes and Pigments, 2019, 168, 28.

[22]Linfang Wen,Yu Fang, et al., Third-order nonlinear optical properties and ultrafast excited-state dynamics of benzothiazolium salts: Transition in absorption and refraction under different time regimes,Dyes and Pigments, 2018, 156, 26.

[23]Jidong Jia, Xingzhi Wu,Yu Fang, et al. Ultrafast Broadband Optical Limiting in Simple Hydrazone Derivatives with Π-Conjugated System: The Effect of Two-Photon Induced Singlet State Absorption,The Journal of Physical Chemistry C, 2018, 122(28), 16234.