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个人简介

吴正茂,男,汉族,出生于江西省婺源县,籍贯:江西余干,民革党员。博士,教授(二级岗),博(硕)士生导师/博士后合作导师,享受国务院政府特殊津贴专家,重庆市学术技术带头人,西南大学物理科学与技术学院院长。本科、硕士和博士均毕业于四川大学。 已主持包括4项国家自然科学基金面上项目在内的国家及省部级相关科研项目10多项;在国内外主流学术刊物上发表论文200余篇;申请或授权国家专利10余项,2项成果获重庆市人民政府自然科学奖,已培养博士后、博/硕士生70多人。主要承担激光原理、光通信进展等课程的教学任务。

研究领域

激光非线性动力学及其在信息技术领域应用方面

近年承担的主要科研项目 1、国家自然科学基金面上项目: 基于WRC-FPLD的波长可调、带宽可控的宽带混沌载波获取及其在WDM混沌保密通信中的应用探索(批准号:61775184), 2018.01-2021.12 2、国家自然科学基金面上项目: 外部扰动下半导体激光器随机阵发混沌态输出的动力学特性及相关应用探索(批准号:61475127), 2015.01-2018.12 3、国家自然科学基金面上项目:基于延时特征抑制的互耦半导体激光器混沌熵源并行获取双路高速真随机数(批准号:61178011), 2012.01-2015.12 4、国家自然科学基金面上项目:双向、长距离光纤混沌保密通信研究(批准号: 60978003), 2010.01-2012.12

近期论文

查看导师新发文章 (温馨提示:请注意重名现象,建议点开原文通过作者单位确认)

1、Z. Wu (吴正茂), G. Xia, L. Wu, J. Chen, Y. Lu. Identifying the output spectra from end facets of semiconductor lasers. Opt. Lett., 1995, 20(5): 477-479 2、Z. Wu, G. Xia, J. Chen, L. Liu. Influence of a Fabry-Perot etalon on a chirped optical pulse. Opt. & Laser Technol., 2001, 33(7): 471-473 3、Z. Wu, G. Xia, H. Zhou, J. Wu, M. Liu. Transmission of a Gaussian beam after incidenting nonnormally on a Fabry-Perot etalon. Opt. & Laser Technol., 2003, 35 (1): 1-4 4、Z. Wu, G. Xia, X. Jia. Pedestal reduction of soliton compressed pulse by combining a nonlinear Fabry-Perot cavity and EDFA. Opt. Commun., 2004, 241(4-6): 539-545 5、Z. Wu, G. Xia, X. Jia. Nonuniform DFB-SOAs: dynamic characteristics of bistability and a novel configuration based on linearly variable current injection. IEEE J. Quantum Electron., 2005, 41(3): 384-389 6、Z. Wu, G. Xia, J. Wu. Studying the extremely short external cavity semiconductor laser with ray tracing method. Opt. Commun., 2007, 279(2): 336-340 7、J. Wu, G. Xia, Z. Wu*. Suppression of time delay signatures of chaotic output in a semiconductor laser with double optical feedback. Opt. Express, 2009, 17(22): 20124-20133 8、J. Wu, G. Xia, X. Tang, X. Lin, T. Deng, L. Fan, Z. Wu*. Time delay signature concealment of optical feedback induced chaos in an external cavity semiconductor laser. Opt. Express, 2010, 18(7): 6661-6666 9、T. Deng, G. Xia, Z. Wu*, X. Lin, J. Wu. Chaos synchronization in mutually coupled semiconductor lasers with asymmetrical bias currents. Opt. Express, 2011, 19(9): 8762-8773 10、Y. Li, Z. Wu*, Z. Zhong, X. Yang, S. Mao, G. Xia*. Time-delay signature of chaos in 1550 nm VCSELs with variable-polarization FBG feedback. Opt. Express, 2014, 22(16): 19610-19620 11、J. Chen, Z. Wu*, X. Tang, T. Deng, L. Fan, Z. Zhong, G. Xia*. Generation of polarization-resolved wideband unpredictability-enhanced chaotic signals based on vertical-cavity surface-emitting lasers subject to chaotic optical injection. Opt. Express, 2015, 23(6): 7173-7183 12、Z. Zhong, S. Li, S. C. Chan, G. Xia, Z. Wu*. Polarization-resolved time-delay signatures of chaos induced by FBG-feedback in VCSEL. Opt. Express, 2015, 23(12): 15459-15468 13、X. Tang, Z. Wu*, J. Wu, T. Deng, J. Chen, L. Fan, Z. Zhong, G. Xia*. Tbits/s physical random bit generation based on mutually coupled semiconductor laser chaotic entropy source. Opt. Express, 2015, 23(26): 33130-33141 14、L. Fan, G. Xia*, J. Chen, X. Tang, Q. Liang, Z. Wu*. High-purity 60GHz band millimeter-wave generation based on optically injected semiconductor laser under subharmonic microwave modulation. Opt. Express, 2016, 24(16): 18252-18265 15、Y. Hou, G. Xia*, W. Yang, D. Wang, E. Jayaprasath, Z. Jiang, C. Hu, Z. Wu*. Prediction performance of reservoir computing system based on a semiconductor laser subject to double optical feedback and optical injection. Opt. Express, 2018, 26(8): 10211-10219 16、X. Lin, G. Xia*, Z. Shang, T. Deng, X. Tang, L. Fan, Z. Gao, Z. Wu*. Frequency-modulated continuous-wave generation based on an optically injected semiconductor laser with optical feedback stabilization. Opt. Express, 2019, 27(2): 1217-1225 17、D. Yue, Z. Wu*,Y. Hou, B. Cui, Y. Jin, M. Dai, G. Xia*. Performance optimization research of reservoir computing system based on an optical feedback semiconductor laser under electrical information injection, Opt. Express, 2019, 27(14): 19931-19939 18、X. Tan, Y. Hou, Z. Wu*, G. Xia*, Parallel information processing by a reservoir computing system based on a VCSEL subject to double optical feedback and optical injection, Opt. Express, 2019, 27(18): 26070-26079 19、Z. Zhong, Z. Wu*, G. Xia*. Experimental Investigation on the Time-delay Signature of Chaotic Output from a 1550 nm VCSEL Subject to FBG Feedback, Photon. Res., 2017, 5(1): 6-10 20、J. Wu, Z. Wu*, Y. Liu, L. Fan, X. Tang, G. Xia*. Simulation of bidirectional long-distance chaos communication performance in a novel fiber-optic chaos synchronization system. IEEE/OSA J. Lightwave Technol., 2013, 31(3): 461-467 21、L. Fan, Z. Wu*, T. Deng, J. Wu, X. Tang, J. Chen, S. Mao, G. Xia*. Subharmonic Microwave Modulation Stabilization of Tunable Photonic Microwave Generated by Period-one Nonlinear Dynamics of an Optically Injected Semiconductor Laser. IEEE/OSA J. Lightwave Technol., 2014, 32(23): 4058-4064 22、J. Wu, Z. Wu*, L.i Fan, X. Tang, W. Deng, G. Xia*. Experimental demonstration of LD-based bidirectional fiber-optic chaos communication. IEEE Photon. Technol. Lett., 2013, 25(6): 587-590 23、Y. Xie, Z. Wu*, T. Deng, X. Tang, L. Fan, G. Xia*. Nonlinear dynamics of 1550 nm VCSELs subject to positive optoelectronic feedback. IEEE Photon. Technol. Lett., 2013, 25(16): 1605-1608 24、T. Deng, Z. Wu*, G. Xia*. Two-mode Coexistence in 1550nm VCSELs with Optical Feedback. IEEE Photon. Technol. Lett., 2015, 27(19): 2075-2078 25、W. Zhu, Z. Wu*, Z. Zhong, X. Yin, J. Song, L. Zhao, D. Lu, G. Xia*. Dynamics of a Monolithically Integrated Semiconductor Laser under Optical Injection. IEEE Photon. Technol. Lett., 2015, 27(20): 2119-2122 26、Z. Zhong, Z. Wu*, J. Song, L. Wang, T. Deng, G. Xia*. Polarization Dynamics of 1550-nm VCSELs Subject to Polarization-Preserved FBG Feedback. IEEE Photon. Technol. Lett., 2016, 28(9): 963-966 27、Z. Zhong, G. Lin*, Z. Wu*, J. Yang, J. Chen, L. Yi, G. Xia*, Tunable broadband chaotic signal synthesis from a WRC-FPLD subject to filtered feedback. IEEE Photon. Technol. Lett., 2017, 29(17): 1506-1509 28、X. Lin, G. Xia*, T. Yang, T. Deng, X. Tang, L. Fan, Z. Gao, Z. Wu*, Photonic Microwave Generation Based on an OISL by Subharmonic Modulation from an OEO, IEEE Photon. Technol. Lett., 2019, 31(22): 1838-1841 29、J. Chen, Z. Wu*, T. Deng, X. Tang, X. Yang, G. Xia*. Current- and Feedback-Induced State Bistability in a 1550 nm-VCSEL with Negative Optoelectronic Feedback, IEEE Photon. J., 2017, 9(1): 1500310 30、J. Chen, Z. Wu*, L. Fan, X. Tang, X. Lin, T. Deng, G. Xia*, Polarization bistability in a 1550 nm vertical-cavity surface-emitting laser subject to variable polarization optical injection. IEEE Photon. J., 2017, 9(2): 1502309 31、Y. Li, L. Fan, G. Xia*, Z. Wu*, Tunable and broadband microwave frequency comb generation using optically injected semiconductor laser nonlinear dynamics. IEEE Photon. J., 2017, 9(5): 5502607 32、Y. Hou, L. Yi, G. Xia*, Z. Wu*, Exploring High Quality Chaotic Signal Generation in Mutually Delay Coupled Semiconductor Lasers System. IEEE Photon. J., 2017, 9(5): 1505110 33、X. Lin, Z. Wu*, T. Deng, X. Tang, L. Fan, Z. Gao, G. Xia*, Generation of widely tunable narrow-linewidth photonic microwave signals based on an optoelectronic oscillator using an optically injected semiconductor laser as the active tunable microwave photonic filter, IEEE Photon. J., 2018, 10(6): 5502209 34、L. Fan, G. Xia*, T. Deng, X. Tang, X. Lin, Z. Gao, X. Xu, Z. Wu*, Generation of tunable and ultra-broadband microwave frequency combs based on a semiconductor laser subject to pulse injection from a current modulated laser. IEEE Photon. J., 2018, 10(6): 5502310 35、X. Tang, G. Xia*, C. Ran, T. Deng, X. Lin, L. Fan, Z. Gao, G. Lin*, Z. Wu*. Fast physical random bit generation based on a broadband chaotic entropy source originated from a filtered feedback WRC-FPLD, IEEE Photon. J., 2019, 11(2): 7800710 36、B. Jiang, Z. Wu*, T. Deng, J. Chen, F. Yang, J. Chen, Q. Liang, G. Xia*. Polarization Switching Characteristics of 1550-nm Vertical-Cavity Surface-Emitting Lasers Subject to Double Polarization Pulsed Injection, IEEE J. Quantum Electron., 2016, 52(11): 2400707 37、L. Fan, G. Xia*, X. Tang, T. Deng, J. Chen, X. Lin, Y. Li, Z. Wu*, Tunable ultra-broadband microwave frequency combs generation based on a current modulated semiconductor laser under optical injection. IEEE Access, 2017, 5: 17764-17771 38、Z. Gao, J. Zhu, Z. Wei*, Z. Wu*. Femtosecond pulses generation from a diode-pumped Yb:CaNb2O6 disordered crystal laser. IEEE Access, 2017, 5: 22792-22796 39、X. Tang, G. Xia*, E. Jayaprasath, T. Deng, X. Lin, L. Fan, Z. Gao, Z. Wu*, Multi-channel physical random bits generation using a vertical-cavity surface-emitting laser under chaotic optical injection. IEEE Access, 2018, 6: 3565-3572 40、D. Wang, G. Xia*, Y. Hou, W. Yang, E. Jayaprasath, J. Chen, Z. Wu*. Theoretical investigation of state bistability between pure- and mixed-mode states in a 1550-nm VCSEL under parallel optical injection, IEEE Access, 2018, 6: 19791-19797 41、X. Xu, L. Fan, G. Xia*, Z. Wu*. Numerical Investigation on Ultra-broadband Tunable Microwave Frequency Comb Generation Using a Semiconductor Laser Under Regular Pulse Injection, IEEE Access, 2018, 6: 55284-55290 42、E. Jayaprasath, Y. Hou, Z. Wu*, G. Xia*. Anticipation in the polarization chaos synchronization of uni-directionally coupled vertical-cavity surface-emitting lasers with polarization-preserved optical injection. IEEE Access, 2018, 6: 58482-58490 43、D. Yue, Z. Wu*, Y. Hou, G. Xia*, Effects of some operation parameters on the performance of a reservoir computing system based on a delay feedback semiconductor laser with information injection by current modulation, IEEE Access, 2019, 7: 128767-128773 44、X. Wang, G. Xia, Z. Wu*. Theoretical investigations on the polarization performances of current-modulated VCSELs subject to weak optical feedback. J. Opt. Soc. Am. B, 2009, 26(1): 160-168 45、J. Shen, C. Fan, J. Wu, G. Xia, L. Ding, N. Li, Z. Wu*. Conversion between anticipating and lag chaos synchronization induced by different bias current levels in mutually delay-coupled semiconductor lasers. Appl. Phys. B, 2011, 103(4): 941-945 46、Y. Hou, G. Xia*, E. Jayaprasath, D. Yue, Z. Wu*. Parallel Information Processing Using a Reservoir Computing System Based on Mutually Coupled Semiconductor Lasers. App. Phys. B, 2020, 126(3): Art. No. 40 (9ps) 47、X. Tang, Z. Wu*, J. Wu, T. Deng, L. Fan, Z. Zhong, J. Chen, G. Xia*. Generation of multi-channel high-speed physical random numbers originated from two chaotic signals of mutually coupled semiconductor lasers. Laser Phys. Lett., 2015, 12(1): 015003 48、W. Yang, G. Xia*, E. Jayaprasath, Z. Jiang, Y. Hou, C. Hu, Z. Wu*, Experimental investigation on the nonlinear dynamics of two mutually coupled 1550 nm multi-transverse-mode vertical-cavity surface-emitting lasers, Appl. Opt., 2019, 58(5): 1271-1275 49、W. Yang, G. Xia, Z. Jiang, E. Jayaprasath, C. Hu, Z. Wu*, Numerical investigations on multi-channel wideband chaotic signal generation by a multi-transverse mode vertical-cavity surface-emitting laser subject to chaotic optical injection, Appl. Opt., 2019, 58(30): 8160-8166 50、F. Wang, G. Xia, Z. Wu*. All-optical frequency multiplication /recovery based on a semiconductor optical amplifier ring cavity. Opt. Commun., 2006, 257(2): 334-339 51、J. Wu, G. Xia, L. Cao, Z. Wu*. Experimental investigations on the external cavity time signature in chaotic output of an incoherent optical feedback external cavity semiconductor laser. Opt. Commun., 2009, 282(15): 3153-3156 52、T. Deng, G. Xia, L. Cao, J. Chen, X. Lin, Z. Wu*. Bidirectional chaos synchronization and communication in semiconductor lasers with optoelectronic feedback. Opt. Commun., 2009, 282(11): 2243-2249 53、L. Wang, Z. Wu*, J. Wu, G. Xia*. Long-Haul Dual-Channel Bidirectional Chaos Communication Based on Polarization-Resolved Chaos Synchronization between Twin 1550 nm VCSELs Subject to Variable-Polarization Optical Injection. Opt. Commun., 2015, 334: 214-221 54、X. Yang, J. Wu, Z. Wu*, Y. Li, L. Wang, G. Xia*. Time-delay signatures hidden in the phase of chaotic output of mutually delay-coupled vertical-cavity surface-emitting lasers. Opt. Commun., 2015, 336: 262-268 55、J. Song, Z. Zhong, L. Wei, Z. Wu*, G. Xia*. Experimental investigations on nonlinear dynamics of a semiconductor laser subject to optical injection and fiber Bragg grating feedback. Opt. Commun., 2015, 354: 213-217 56、X. Yin, Z. Zhong, L. Zhao, D. Lu, H. Qiu, G. Xia*, Z. Wu*. Wide bandwidth chaotic signal generation in a monolithically integrated semiconductor laser via optical injection, Opt. Commun., 2015, 355: 551-557 57、Y. Hou, G. Xia*, E. Jayaprasath, D. Yue, W. Yang, Z. Wu*. Prediction and classification performances of reservoir computing system using mutually delay-coupled semiconductor lasers. Opt. Commun., 2019, 433: 215-220 58、D. Wang, J. Chen, G. Xia*, Z. Wu*, State bistability between pure- and mixed-mode steady states in a 1550-nm VCSEL subject to parallel optical injection. Jap. J. Appl. Phys., 2017, 56(7): 070314 59、Z. Jiang, Z. Wu*, E. Jayaprasath, W. Yang, C. Hu, G. Xia*, Nonlinear dynamics of exclusive excited-state emission quantum dot lasers under optical injection, Photonics, 2019, 6(2): 58 60、E. Jayaprasath, Z. Wu*, S. Sivaprakasam, G. Xia*. Observation of additional delayed-time in chaos synchronization of uni-directionally coupled VCSELs. Chaos, 2018, 28(12): 123103

学术兼职

西南大学校学术委员会委员;重庆市光学学会第四届理事会副理事长;等等。社会兼职:曾任九/十届全国青联委员、二/三/四届重庆市政协委员、西南大学工会兼职副主席等

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