Xiaoqing Yan Associate professor

2006.09 - 2011.07 PHD student, Teda Institute of Applied Physics, Nankai University. 2007.11-2008.10 Visiting PHD student, Cavendish Laboratory, University of Cambridge.2002.09 - 2006.07 Undergraduate student, School of Physics, Nankai University.

2017.1—present, Associate professor, Nankai University; 2011.7—2016.12, Research Assistant, Nankai University.

He mainly engaged in the research of ultrafast spectroscopy, utilizing techniques such as time-resolved transient spectroscopy and optical Kerr gates to study the carrier dynamics and nonlinear optics of novel materials, as well as the underlying physical mechanisms.

Research Topic:  Carrier dynamics, Nonlinear Optics, optical constant

 

We focus on the optical response of novel two-dimensional materials, involving the linear and nonlinear optical properties and applications of two-dimensional layered materials, as well as the carrier dynamics and physical mechanisms.

 

1. Ultrafast carrier dynamics

Study the relaxation of photoexcited charge carriers, coherent phonon oscillations, and the interaction between non-equilibrium carriers and light.

2. Nonlinear optics

Study the optical nonlinear refraction and nonlinear absorption. For this purpose, we have developed polarized light Z-scan technique. This technique enables us to obtain the third-order nonlinear susceptibility tensor elements and then the nonlinear optical mechanisms.

3. Photocurrent response process of two-dimensional materials

Study the intrinsic response process of two-dimensional material-based photodetectors, revealing the transport of photoexcited charge carriers and the formation of photocurrent.

4. Optical response under phase transition

Study the optical properties, carrier dynamics, and physical mechanisms of layered phase transition materials.

 

[48]  Tiantian Yun, Changfu Huo, Jinluo Cheng, Zhi-Bo Liu, and Xiao-Qing Yan*, Unusual photocarrier and coherent phonon dynamics behaviors of layered PdSe2 unveiled by ultrafast spectroscopy of the edge surface, SCIENCE CHINA Physics, Mechanics & Astronomy 67(8), 287013 (2024).

[A ‘Research Highlight’ on this paper：https://www.sciengine.com/SCPMA/doi/10.1007/s11433-024-2532-8  ]

[47]  Xin Zhao, Fang Liu, Xu-Dong Chen, Zhi-Bo Liu, Xiao-Qing Yan*, and Jian-Guo Tian, Photocarrier relaxation and saturable absorption in defect-rich, direct chemical vapor deposition-grown graphene glass, Journal of Nonlinear Optical Physics & Materials 33(01), 2340003 (2024).

[46]  Mingjie Zha, Xiaofeng Li, Enze Xu, Xiao-Qing Yan, Xinxing Zhou, Hui Jing, Le-Man Kuang, Jian-Guo Tian, and Zhi-Bo Liu, Optical shift spectroscopy in two-dimensional materials, Optica 11(3), 344-353 (2024).

 

[45]  ZHAO Xin, XUE Zhiyong, LIU Qingyang, and YAN Xiaoqing, Polarization-dependent ultrafast optical nonlinearities of N,N-dimethylformamide at 400 nm, Optoelectronics Letters 19(09), 541-547 (2023).

[44]  Su-Yun Wang, De-Kang Li, Ming-Jie Zha, Xiao-Qing Yan, Zhibo Liu, and Jianguo Tian, Tunable Optical Activity in Twisted Anisotropic Two-Dimensional Materials, ACS Nano 17(16), 16230-16238 (2023).

[43]  Chang-Fu Huo, Tiantian Yun, Xiao-Qing Yan*, Zewen Liu, Xin Zhao, Wenxiong Xu, Qiannan Cui, Zhi-Bo Liu*, and Jian-Guo Tian, Thickness-dependent exciton relaxation dynamics of few-layer rhenium diselenide, Chinese Physics B 32(6), 067203 (2023).

[42]  Yangjun Cui, Haowei Guo, Xiaoqing Yan, Wenyuan Zhou, Qing Ye, Cuifeng Ying, Zhibo Liu, and Jianguo Tian, Nonlinear and Anisotropic Ion Transport in Black Phosphorus Nanochannels, Nano Letters 23(13), 5886-5893 (2023).

 

[41]  Xin Zhao*, Xujiao Yin, Dongqi Liu, Changfu Huo, Guang-Zong Dong, Sijie Chen, Zhi-Bo Liu, Xiao-Qing Yan*, and Jian-Guo Tian, Ultrafast Photocarrier Dynamics and Nonlinear Optical Absorption of a Layered Quaternary AgInP2S6 Crystal, J. Phys. Chem. C 126(15), 6837-6846 (2022).

[40]  Xiao-Qing Yan, Xin Zhao, Haijie Xu, Lei Zhang, Dongqi Liu, Yuchen Zhang, Changfu Huo, Fang Liu, Junfang Xie, Xiao Dong, Zhi-Bo Liu, and Jian-Guo Tian, Temperature-tunable optical properties and carrier relaxation of CuInP2S6 crystals under ferroelectric-paraelectric phase transition, Journal of Materials Chemistry C 10(2), 696-706 (2022).

[39]  De-Kang Li, Su-Yun Wang, Xiao-Qing Yan, Bao-Wang Su, Zhen Hu, Zhi-Bo Liu, and Jian-Guo Tian, Anisotropic Goos–Hänchen shift in few-layer two-dimensional materials, Applied Physics Letters 120(5), 053105 (2022).

[38]  Linnan Jia, Chang-Fu Huo, Xiao-Qing Yan*, Jiayang Wu, Yu-Zhe Zhang, Yunyi Yang, Wenxiong Xu, Qiannan Cui, Daohong Song, Baohua Jia, Zhi-Bo Liu*, Zhigang Chen, and David J. Moss*, Ultrafast Carrier Dynamics in 2D NbTe2 Films: Implications for Photonic and Optoelectronic Devices, ACS Applied Nano Materials 5(12), 17348-17355 (2022).

 

[37]  Su-Yun Wang, Guo-Xing Chen, Qin-Qin Guo, Kai-Xuan Huang, Xi-Lin Zhang, Xiao-Qing Yan, Zhi-Bo Liu, and Jian-Guo Tian, Layer contribution to optical signals of van der Waals heterostructures, Nanoscale Advances 3(11), 3114-3123 (2021).

[36]  Ruo-Xuan Sun, Qin-Qin Guo, Chang-Fu Huo, Xiao-Qing Yan, Zhi-Bo Liu, and Jian-Guo Tian, Critical Strain-Induced Photoresponse in Folded Graphene Superlattices, ACS Applied Materials & Interfaces 13(18), 21573-21581 (2021).

[35]  Dekang Li, Baowang Su, Rui Wen, Zhen Hu, Changfu Huo, Xiaoqing Yan, Xiang-Tian Kong, Zhibo Liu, and Jianguo Tian, Abnormal Spatial Shifts in Graphene Measured via the Beam Displacement Amplification Technique: Implications for Sensors Based on the Goos–Hänchen Effect, ACS Applied Nano Materials 4(12), 13477-13485 (2021).

[34]  Chang-Fu Huo, Rui Wen, Xiao-Qing Yan*, De-Kang Li, Kai-Xuan Huang, Yizhi Zhu, Qiannan Cui, Chunxiang Xu, Zhi-Bo Liu*, and Jian-Guo Tian, Thickness-dependent ultrafast charge-carrier dynamics and coherent acoustic phonon oscillations in mechanically exfoliated PdSe2 flakes, Physical Chemistry Chemical Physics 23(36), 20666-20674 (2021).

 

[33]  Ruo-Xuan Sun, Qin-Qin Guo, Hao-Wei Guo, Xiao-Qing Yan, Zhi-Bo Liu, and Jian-Guo Tian, Photoresponse in a Strain-Induced Graphene Wrinkle Superlattice, The Journal of Physical Chemistry Letters 11(13), 5059-5067 (2020).

[32]  Dongqi Liu, Xiao-Qing Yan, Hao-Wei Guo, Zhi-Bo Liu, Wen-Yuan Zhou, and Jian-Guo Tian, Substrate effect on the photoluminescence of chemical vapor deposition transferred monolayer WSe2, Journal of Applied Physics 128(4), 043101 (2020).

[31]  Xiao-Kuan Li, Ruo-Xuan Sun, Hao-Wei Guo, Bao-Wang Su, De-Kang Li, Xiao-Qing Yan, Zhi-Bo Liu, and Jian-Guo Tian, Controllable Doping of Transition-Metal Dichalcogenides by Organic Solvents, Advanced Electronic Materials 6(3), 1901230 (2020).

 

[30]  Xin Zhao, Fang Liu, Dongqi Liu, Xiao-Qing Yan*, Changfu Huo, Wangwei Hui, Junfang Xie, Qing Ye, Chengcheng Guo, Yang Yao, Zhi-Bo Liu, and Jian-Guo Tian, Thickness-dependent ultrafast nonlinear absorption properties of PtSe2 films with both semiconducting and semimetallic phases, Applied Physics Letters 115(26), 263102 (2019). (Editor’s Pick)

[29]  Junfang Xie, Di Zhang, Xiao-Qing Yan*, Mengxin Ren, Xin Zhao, Fang Liu, Ruoxuan Sun, Xiaokuan Li, Zhi Li, Shuqi Chen, Zhi-Bo Liu, and Jian-Guo Tian*, Optical properties of chemical vapor deposition-grown PtSe2 characterized by spectroscopic ellipsometry, 2D Materials 6(3), 035011 (2019).  [It has been awared: as one of the top 1% most-cited papers in lOP Publishing's portfolio of journals from 2019-2021] https://accreditations.ioppublishing.org/e4beb658-0eba-4333-825d-ddca0ef7a3f1

[28]  Fang Liu, Xin Zhao, Xiao-Qing Yan*, Junfang Xie, Wangwei Hui, Xiufeng Xin, Zhi-Bo Liu, and Jian-Guo Tian*, Ultrafast nonlinear absorption and carrier relaxation in ReS2 and ReSe2 films, J. Appl. Phys. 125(17), 173105 (2019).

 

[27]  Kang Zhang, Ming Feng, Yangyang Ren, Fang Liu, Xingshuo Chen, Jie Yang, Xiao-Qing Yan, Feng Song, and Jianguo Tian, Q-switched and mode-locked Er-doped fiber laser using PtSe2 as a saturable absorber, Photon. Res. 6(9), 893-899 (2018).

[26]  Xiufeng Xin, Fang Liu, Xiao-Qing Yan*, Wangwei Hui, Xin Zhao*, Xiaoguang Gao, Zhi-Bo Liu, and Jian-Guo Tian*, Two-photon absorption and non-resonant electronic nonlinearities of layered semiconductor TlGaS2, Opt. Express 26(26), 33895-33905 (2018).

[25]  Fang Liu, Xin Zhao, Xiao-Qing Yan*, Xiufeng Xin, Zhi-Bo Liu, and Jian-Guo Tian*, Measuring third-order susceptibility tensor elements of monolayer MoS2 using the optical Kerr effect method, Applied Physics Letters 113(5), 051901 (2018).

[24]  Wen-Shuai Jiang, Chao Yang, Guo-Xing Chen, Xiao-Qing Yan, Shao-Nan Chen, Bao-Wang Su, Zhi-Bo Liu, and Jian-Guo Tian, Preparation of high-quality graphene using triggered microwave reduction under an air atmosphere, Journal of Materials Chemistry C 6(7), 1829-1835 (2018).

 

[23]  Xiao-Qing Yan, Fang Liu, Xiang-Tian Kong, Jun Yao, Xin Zhao, Zhi-Bo Liu, and Jian-Guo Tian, Polarization dependence of graphene transient optical response: interplay between incident direction and anisotropic distribution of nonequilibrium carriers, J. Opt. Soc. Am. B 34(1), 218-226 (2017).

 

[22]  Tengfei Zhang, Huicong Chang, Yingpeng Wu, Peishuang Xiao, Ningbo Yi, Yanhong Lu, Yanfeng Ma, Yi Huang, Kai Zhao, Xiao-Qing Yan, Zhi-Bo Liu, Jian-Guo Tian, and Yongsheng Chen, Macroscopic and direct light propulsion of bulk graphene material, Nat Photon 9(7), 471-476 (2015).

[21]  Jun Yao, Xin Zhao, Xiao-Qing Yan*, Xiang-Tian Kong, Chengmin Gao, Xu-Dong Chen, Yongsheng Chen, Zhi-Bo Liu, and Jian-Guo Tian*, Making transient optical reflection of graphene polarization dependent, Opt. Express 23(19), 24177-24188 (2015).

[20]  Jun Yao, Xin Zhao, Xiao-Qing Yan*, Chengmin Gao, Xu-Dong Chen, Wei Xin, Yongsheng Chen, Zhi-Bo Liu, and Jian-Guo Tian*, Polarization dependence of optical pump-induced change of graphene extinction coefficient, Opt. Mater. Express 5(7), 1550-1559 (2015).

[19]  Chengmin Gao, Xin Zhao, Jun Yao, Xiao-Qing Yan*, Xiang-Tian Kong, Yongsheng Chen, Zhi-Bo Liu, and Jian-Guo Tian, Sign of differential reflection and transmission in pump-probe spectroscopy of graphene on dielectric substrate, Photon. Res. 3(2), A1-A9 (2015).

 

[18]  Xiao-Qing Yan, Jun Yao, Zhi-Bo Liu, Xin Zhao, Xu-Dong Chen, Chengmin Gao, Wei Xin, Yongsheng Chen, and Jian-Guo Tian, Evolution of anisotropic-to-isotropic photoexcited carrier distribution in graphene, Physical Review B 90(13), 134308 (2014).

 

[17]  Xin Zhao, Xiao-Qing Yan, Qiang Ma, Jun Yao, Xiao-Liang Zhang, Zhi-Bo Liu, and Jian-Guo Tian, Nonlinear optical and optical limiting properties of graphene hybrids covalently functionalized by phthalocyanine, Chemical Physics Letters 577(0), 62-67 (2013).

[16]  Xiao-Liang Zhang, Zhi-Bo Liu, Xin Zhao, Xiao-Qing Yan, Xiao-Chun Li, and Jian-Guo Tian, Optical limiting effect and ultrafast saturable absorption in a solid PMMA composite containing porphyrin-covalently functionalized multi-walled carbon nanotubes, Opt. Express 21(21), 25277-25284 (2013).

[15]  Fei Xing, Xu-Dong Chen, Zhi-Bo Liu, Qian Zhang, Xiao-Qing Yan, Yongsheng Chen, and Jian-Guo Tian, Transparent and flexible multi-layer films with graphene recording layers for optical data storage, Applied Physics Letters 102(25), 253501 (2013).

[14]  Xu-Dong Chen, Zhi-Bo Liu, Chao-Yi Zheng, Fei Xing, Xiao-Qing Yan, Yongsheng Chen, and Jian-Guo Tian, High-quality and efficient transfer of large-area graphene films onto different substrates, Carbon 56(0), 271-278 (2013).

[13]  Xu-Dong Chen, Zhi-Bo Liu, Wen-Shuai Jiang, Xiao-Qing Yan, Fei Xing, Peng Wang, Yongsheng Chen, and Jian-Guo Tian, The selective transfer of patterned graphene, Scientific Reports 33216 (2013).

 

[12]  Xiao-Qing Yan, Zhi-Bo Liu, Yong-Sheng Chen, and Jian-Guo Tian, Polarization characteristics of nonlinear refraction and nonlinear scattering in several solvents, J. Opt. Soc. Am. B 29(10), 2721-2728 (2012).

[11]  Fei Xing, Zhi-Bo Liu, Zhi-Chao Deng, Xiang-Tian Kong, Xiao-Qing Yan, Xu-Dong Chen, Qing Ye, Chun-Ping Zhang, Yong-Sheng Chen, and Jian-Guo Tian, Sensitive Real-Time Monitoring of Refractive Indexes Using a Novel Graphene-Based Optical Sensor, Sci. Rep. 2(2012).

[10]  ZhiBo Liu, XiaoLiang Zhang, XiaoQing Yan, YongSheng Chen, and JianGuo Tian, Nonlinear optical properties of graphene-based materials, Chin. Sci. Bull. 57(23), 2971-2982 (2012).

 

 

[9]  Xiao-Qing Yan, Xiao-Liang Zhang, Shuo Shi, Zhi-Bo Liu, and Jian-Guo Tian, Third-order nonlinear susceptibility tensor elements of CS2 at femtosecond time scale, Opt. Express 19(6), 5559-5564 (2011).

[8]  Zhi-Bo Liu, Xin Zhao, Xiao-Liang Zhang, Xiao-Qing Yan, Ying-Peng Wu, Yong-Sheng Chen, and Jian-Guo Tian, Ultrafast Dynamics and Nonlinear Optical Responses from sp2- and sp3-Hybridized Domains in Graphene Oxide, The Journal of Physical Chemistry Letters 2(16), 1972-1977 (2011).

[7]  Zhi-Bo Liu, Shuo Shi, Xiao-Qing Yan, Wen-Yuan Zhou, and Jian-Guo Tian, Discriminating thermal effect in nonlinear-ellipse-rotation-modified Z-scan measurements, Opt. Lett. 36(11), 2086-2088 (2011).

[6]  Xiao-Qing Yan, Zhi-Bo Liu, Xiao-Liang Zhang, Wei-Ping Zang, and Jian-Guo Tian, Modified elliptically polarized light Z-scan method for studying third-order nonlinear susceptibility components, Opt. Express 18(10), 10270-10281 (2010).

[5]  Xiao-Qing Yan, Zhi-Bo Liu, Shuo Shi, Wen-Yuan Zhou, and Jian-Guo Tian, Analysis on the origin of the ultrafast optical nonlinearity of carbon disulfide around 800 nm, Opt. Express 18(25), 26169-26174 (2010).

[4]  Xiao-Qing Yan, Zhi-Bo Liu, Xiao-Liang Zhang, Wen-Yuan Zhou, and Jian-Guo Tian, Polarization dependence of Z-scan measurement: theory and experiment, Opt. Express 17(8), 6397-6406 (2009).

[3]  Zhi-bo Liu, Xiao-Qing Yan, Wen-Yuan Zhou, and Jian-Guo Tian, Evolutions of polarization and nonlinearities inan isotropic nonlinear medium, Opt. Express 16(11), 8144-8149 (2008).

[2]  A.P. Jardine, H. Hedgeland, D. Ward, Y. Xiaoqing, W. Allison, J. Ellis, and G. Alexandrowicz, Probing molecule–surface interactions through ultra-fast adsorbate dynamics: propane/Pt(111), New Journal of Physics 10(12), 125026 (2008).

[1]  Zhi-Bo Liu, Xiao-Qing Yan, Jian-Guo Tian, Wen-Yuan Zhou, and Wei-Ping Zang, Nonlinear ellipse rotation modified Z-scan measurements of third-order nonlinear susceptibility tensor, Opt. Express 15(20), 13351-13359 (2007).

 

 

1. College Physics             (Undergraduate course)

Including mechanics, thermodynamics, electromagnetics, optics, and modern physics.

2. Modern Optical Experiments  (Undergraduate course)

3. Modern Physics Experiments  (Graduate Course)

Teaching paper:

Yan Xiaoqing, Li Zubin, Chen Zongqiang, Yan Weiguo, Liu Yanling, Song Feng, “Teaching methods for prompting student thinking in college physics classroom at the era of smartphone popularity” Physics and Engineering, 32(01), 64-71 (2022). (in Chinese)