洪学智
博士，副研究员
2006年6月毕业于武汉大学光信息科学与技术专业，获学士学位；2012年6月毕业于浙江大学光学工程专业，获博士学位，博士论文题目“编解码技术在安全光纤通信网络中应用研究”；2012年7月起就职于华南师范大学，开设有“光通信技术”研究生课程。2011年1月至7月于美国亚利桑那大学电子与计算机工程系访学，2016年3月至2017年3月由国家公派在瑞典皇家工学院通信系访学。近年来先后在Journal of Lightwave Technologies、Optics Express、Journal of Optical Communications and Networking等国际知名学术期刊，以及OFC、ECOC、CLEO等重要国际学术会议上发表文章数十篇，主持承担有国家自然科学基金、广东省自然科学基金等多项科研项目。
联系方式：xuezhi.hong <at> coer-scnu.org
研究方向：
1: 相干光通信系统及数字信号处理 (Coherent optical communication systems and DSP)
2: 可见光通信及定位系统 (Visible light communication and positioning systems)
3: 数据中心光网络 (Optical datacenter networks)
部分科研论文：(Updated on Nov. 3, 2020)
[1] Q. Yan, X. Cao, P. Zhang, L. Liu, and X. Hong*, Shaping Distribution Identification of Phase Rotated Probabilistically Shaped Signals with Radius-Based Expectation Maximization Journal of Lightwave Technology, 1–1 (2020).
[2] Z. Zhang, H. Chen, W. Zeng, X. Cao, X. Hong*, and J. Chen*, Demonstration of Three-Dimensional Indoor Visible Light Positioning with Multiple Photodiodes and Reinforcement Learning Sensors, 20(22), 6470 (2020).
[3] Y. Hong, D. Zhang, B. Yang, G. Chen, Y. Wang, Q. Chen, X. Hong*, and J. Chen*, A Multi-Floor Arrayed Waveguide Grating Based Architecture With Grid Topology for Datacenter Networks IEEE Access, 8, 107134–107145 (2020).
[4] Z. Zhang, Y. Zhu, W. Zhu, H. Chen, X. Hong*, and J. Chen*, Iterative point-wise reinforcement learning for highly accurate indoor visible light positioning Opt. Express, 27(16), 22161 (2019).
[5] Z. Zhang, H. Chen, X. Hong, and J. Chen*, "Accuracy Enhancement of Indoor Visible Light Positioning using Point-Wise Reinforcement Learning," in 2019 Optical Fiber Communications Conference and Exhibition (OFC) (2019), pp. 1–3.
[6] G. Zhang, X. Hong, C. Fei, and X. Hong*, Sparsity-Aware Nonlinear Equalization With Greedy Algorithms for LED-Based Visible Light Communication Systems J. Lightwave Technol., 37(20), 5273–5281 (2019).
[7] Q. Yan, L. Liu, and X. Hong*, "On the Channel Coding Schemes for the Pilot-Assisted Coherent Optical Communication Systems with PS-MQAM," in 2019 Asia Communications and Photonics Conference (ACP) (2019), pp. 1–3.
[8] Q. Yan, L. Liu, and X. Hong*, Blind Carrier Frequency Offset Estimation in Coherent Optical Communication Systems With Probabilistically Shaped M-QAM Journal of Lightwave Technology, 37(23), 5856–5866 (2019).
[9] J. Zhang, X. Hong, J. Liu, and C. Guo*, Experimental demonstration of an OFDM based visible light communication system using inter-block precoding and superimposed pilots Optics Communications, 412, 219–225 (2018).
[10] Q. Yan, X. Hong, and X. Hong*, Low-Complexity Residual Carrier Frequency Offset Mitigation Based on Spectrum Symmetry for CO-OFDM Systems J. Lightwave Technol., 36(22), 5210–5217 (2018).
[11] Y. Lu, E. Agrell, X. Pang, O. Ozolins, X. Hong, R. Lin, Y. Cheng, A. Udalcovs, S. Popov, G. Jacobsen, and J. Chen, Multi-channel collision-free reception for optical interconnects Opt. Express, 26(10), 13214 (2018).
[12] Y. Hong, X. Hong*, S. He, and J. Chen*, Hybrid Routing and Adaptive Spectrum Allocation for Flex-Grid Optical Interconnects J. Opt. Commun. Netw., 10(5), 506 (2018).
[13] X. Hong, Q. Yan, G. Zhang, C. Fei, X. Hong*, and S. He*, Non-orthogonal basis expansion based laser phase noise suppression in CO-OFDM systems Optics Communications, 426, 366–374 (2018).
[14] Y. Gong, B. Yang, D. Zhang, X. Hong, Y. Lu, S. He, and J. Chen, Crosstalk-aware multiple-AWG based optical interconnects for datacenter networks Optics Communications, 426, 151–157 (2018).
[15] L. Zhang, X. Hong, X. Pang, O. Ozolins, A. Udalcovs, R. Schatz, C. Guo, J. Zhang, F. Nordwall, K. Engenhardt, U. Westergren, S. Popov, G. Jacobsen, S. Xiao, W. Hu, and J. Chen*, Nonlinearity-aware 200-Gbit/s DMT transmission for C-band short-reach optical interconnects with a single packaged electro-absorption modulated laser, Opt. Lett., 43, 182-185 (2018).
[16] C. Fei, J. Zhang, G. Zhang, Y. Wu, X. Hong*, and S. He, Demonstration of 15-M 7.33-Gb/s 450-nm Underwater Wireless Optical Discrete Multitone Transmission Using Post Nonlinear Equalization, J. Lightwave Technol., 36, 728-734 (2018).
[17] X. Wang, X. Feng, L. Hunag, C. Guo, X. Hong, and S. Gao*, Integrated wavelength conversion for adaptively modulated WDM-OFDM signals in a silicon waveguide, Opt. Express, 25, 31417-31422 (2017).
[18] Q. Yan, X. Hong, S. He, and X. Hong*, Joint Mitigation of Residual Carrier Frequency Offset and Phase Noise with Orthogonal Basis Expansion in CO-OFDM, in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Su4C.2.
[19] G. Zhang, C. Fei, S. He, and X. Hong*, Sparse Nonlinear Equalization with Match Pursuit for LED Based Visible Light Communication Systems, in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Su2A.75.
[20] J. Zhang, C. Guo, L. Liu, S. He, and X. Hong*, Demonstration of a Visible Light Communication System Based on Filter Bank Spread OFDM/OQAM, in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Su1L.2.
[21] B. Yang, Y. Gong, X. Hong, and J. Chen*, Heatsink topology based optical interconnect for datacenters, in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper M1C.4.
[22] J. Zhang, Y. Zheng, X. Hong, and C. Guo*, Increase in Capacity of an IM/DD OFDM-PON Using Super-Nyquist Image-Induced Aliasing and Simplified Nonlinear Equalization, J. Lightwave Technol., 35, 4105-4113 (2017).
[23] Xuezhi Hong, Yi Yang, Yu Gong, and Jiajia Chen, Passive Optical Interconnects based on Cascading Wavelength Routing Devices for Datacenters: A Cross-layer Perspective, Journal of Optical Communications and Networking, 9(4), pp. C45-C53, 2017.
[24] Guowu Zhang, Junwei Zhang, *Xuezhi Hong, and Sailing He, Low-complexity frequency domain nonlinear compensation for OFDM based high-speed visible light communication systems with light emitting diodes, Optics Express, 25(4), pp. 3780-3794, 2017.
[25] Xuezhi Hong, Oskars Ozolins, Changjian Guo, Xiaodan Pang, Junwei Zhang, Jaime Navarro, Aditya Kakkar, Richard Schatz, Urban Westergren, Gunnar Jacobsen, Sergei Popov, Jiajia Chen, 1.55-?m EML-based DMT Transmission with Nonlinearity-Aware Time Domain Super-Nyquist Image Induced Aliasing, Optical Fiber Communication Conference (OFC) 2017 (Paper Th3D.3)
[26] Yuanyuan Hong; *Xuezhi Hong; Jiajia Chen*; Sailing He, Elastic All-Optical Multi-Hop Interconnection in Data Centers with Adaptive Spectrum Allocation, Optics Communications, 383, pp. 478-484, 2017.
[27] Xuezhi Hong; Yu Gong; Yi Yang; Jiajia Chen*, AWG based passive optical Interconnects for datacenters, Advanced Photonics Congress: Photonic Networks and Devices, Vancouver, British Columbia, Canada , 2016/7/18-2016/7/20 (Invited talk)
[28] Xuezhi Hong; Xiaojian Hong; Junwei Zhang; *Sailing He, Low-complexity linewidth-tolerant time domain sub-symbol optical phase noise suppression in CO-OFDM systems, Optics Express, 24(5), pp. 4856-4871, 2016/2/26.
[29] Junwei Zhang; *Xuezhi Hong; Liu Liu; Sailing He, Asynchronous Multiple Access in Visible Light Communication System Based on DFT Spread OFDM/OQAM, Asia Communications and Photonics Conference 2015, 2015/11/19-2015/11/23, 2015/11/19.
[30] Xiaojian Hong; *Xuezhi Hong; Sailing He, Low-complexity optical phase noise suppression in CO-OFDM system using recursive principal components elimination, Optics Express, 23(18), pp 24077-24087, 2015/9/4.
[31] *Xuezhi Hong; Junwei Zhang; Liu Liu; Sailing He, Multi-user asynchronous full-duplex visible light communication using cp-free OFDM/OQAM-SCM, 2015 IEEE Summer Topicals Meeting Series (SUM), 2015/7/12-2015/7/15, 2015/7/15.
[32] Yuanyuan Hong; Xuezhi Hong; Sailing He; Jiajia Chen, Flex-grid All-optical Interconnect Supporting Transparent Multi-hop Connection in Data Centers, Progress In Electromagnetics Research Symposium 2015, 2015/7/6-2015/7/9, 2015/7/6.
[33] Yu Gong; Xuezhi Hong; Yang Lu; Sailing He; *Jiajia Chen, Passive optical interconnects at top of the rack: offering high energy efficiency for datacenters, Optics Express, 23(6), pp 7957-7970, 2015/3/23.
[34] Xuezhi Hong; Xiaojian Hong; *Sailing He, Linearly interpolated sub-symbol optical phase noise suppression in CO-OFDM system, Optics Express, 23(4), pp 4691-4702, 2015/2/23.
[35] 洪学智；洪晓建；刘柳；郭昌建, PDM-CO-OFDM中采用相位传递的次符号光相位噪声抑制算法, 华南师范大学学报(自然科学版), 47(4), pp 20-24, 2015 7.
[36] Yu Gong; Yang Lu; Xuezhi Hong; Sailing He; Jiajia Chen, Passive Optical Interconnects at Top of the Rack for Data Center Networks, 18th International Conference on Optical Network Design and Modeling (ONDM), 2014/4/19-2014/4/22, pp 78-83, KTH Royal Inst Technol, Stockholm, 2014.
[37] Lin Chen; Xuezhi Hong; Changjian Guo, Coherent detected temporal optical code division multiplexing system with high spectral efficiency using Nyquist pulse shaping, Progress in Electromagnetics Research Symposium, PIERS 2014, August 25, 2014 - August 28, 2014/8/25-2014/8/28, pp 1430-1433, Guangzhou, China, 2014.
[38] Xiaojian Hong; *Xuezhi Hong; Sailing He, Sub-symbol based carrier phase recovery in CO-OFDM system with linear interpolation, Progress in Electromagnetics Research Symposium, PIERS 2014, August 25, 2014 - August 28, 2014/8/25-2014/8/28, pp 1434-1438, Guangzhou, China, 2014.
[39] Haiping Wang; Yang Lu; Biao Chen; Xuezhi Hong, Improving the Performance of New Service Overlaid ASK-DPSK WDM-PON with Nonbinary LDPC Coding, 22nd Wireless and Optical Communications Conference (WOCC), 2013/4/16-2013/4/18, pp 571-573, Chongqing Univ Posts & Telecommunicat, Chongqing, 2013.
[40] Yang Lu; Shenglei Wang; Linghuan Hu; Xuezhi Hong; Lei Xu; Sailing He, Proposal of Inverse Pulse Position Modulation for Downstream Signal in Remodulation PON With PolSK-Modulated Multicast Overlay, IEEE Photonics Technology Letters, 24(12), pp 1012-1014, 2012/6/15.
[41] *Mao, Kaibo; Liu, Jinyang; Ye, Chenhui; *Hong, Xuezhi; Zhu, Kun, A subcarrier demultiplexing scheme based on a coefficient-switchable microwave photonic filter in radio-over-fiber systems, Optics Communications, 285(5), pp 625-630, 2012/3/1.
[42] Hong, Xuezhi; Lu, Yang; He, Sailing, Coherent Detected Secure Point-to-Point Optical Fiber Transmission using Ultra-Dense Optical Spectral Phase Coding (UD-SPC) and Multilevel BCJR Equalization, Asia Communications and Photonics Conference (ACP), 2012/10/7-2012/10/10, Guangzhou, 2012.
[43] Huang, Lingchen; Hong, Xuezhi; Guo, Changjian, On Timing Offset Estimation in Coherent Optical OFDM Systems with Low Optical Modulation Index, Asia Communications and Photonics Conference (ACP), 2012/10/7-2012/10/10, Guangzhou, 2012.
[44] Jiao, Yuqing; Zhu, Yunpeng; Hong, Xuezhi; Shi, Yaocheng; Xu, Lei; He, Sailing, An Integrated Optical Mixer Based on SU8 Polymer for PDM-QPSK Demodulation, IEEE Photonics Technology Letters, 23(20), pp 1490-1492, 2011/10/15.
[45] Lu, Yang; Hong, Xuezhi; Liu, Jie; Xu, Lei; Guo, Changjian; He, Sailing, IRZ-Manchester coding for downstream signal modulation in an ONU-source-free WDM-PON, Optics Communications, 284(5), pp 1218-1222, 2011/3/1.
[46] Hong, Xuezhi; Lu, Yang; Xu, Lei; Guo, Changjian; He, Sailing, Selectively Providing Virtual Private Network (VPN) Services in TDM-PONs with Manchester Coding, Conference on Lasers and Electro-Optics (CLEO), 2011/4/1-2011/4/6, Baltimore, 2011.
[47] Zheng, Huayong; Chen, Biao; Wang, Dawei; Hong, Xuezhi; He, Sailing, Investigation of DWDM over OCDMA system based on parallelly combined SSFBG encoder/decoders, 2011 Symposium on Photonics and Optoelectronics, SOPO 2011, May 16, 2011 - May 18, 2011/5/16-2011/5/18, Wuhan, China, 2011.
[48] Hong, Xuezhi; Arabaci, Murat; Djordjevic, Ivan B., An experimental investigation of high-rate nonbinary quasi-cyclic LDPC-coded modulation for coherent optical communication, 24th Annual Meeting on IEEE Photonic Society, PHO 2011, October 9, 2011 - October 13, 2011/10/9-2011/10/13, pp 159-160, Arlington, VA, United states, 2011.
[49] Hong, Xuezhi; Wang, Dawei; Xu, Lei; He, Sailing, Demonstration of optical steganography transmission using temporal phase coded optical signals with spectral notch filtering, Optics Express, 18(12), pp 12415-12420, 2010/6/7.
[50] Liu, Jie; Lu, Yang; Guo, Changjian; Hong, Xuezhi; Xu, Lei; He, Sailing, Demonstration of Low-Cost Uplink Transmission in a Coherent OCDMA PON Using Gain-Switched Fabry-Perot Lasers With External Injection, IEEE Photonics Technology Letters, 22(8), pp 583-585, 2010/4/15.
[51] Guo, Changjian; Hong, Xuezhi; He, Sailing, Elimination of Multiple Access Interference in Ultrashort Pulse OCDMA Through Nonlinear Polarization Rotation, IEEE Photonics Technology Letters, 21(20), pp 1484-1486, 2009/10/15.
[52] Hong, Xuezhi; Guo, Changjian; Gao, Ying; He, Sailing, A Novel OCDMA Thresholder Based on Nonlinear Polarization Rotation, International Symposium on Photonics and Optoelectronics, 2009/7/14-2009/7/16, pp 336-338, Wuhan, 2009.
科研项目：
1. 国家重点研发计划项目课题，2019YFB2203202，宽带微波光子混频与对消芯片，2020/01/01-2022/12/31，参与。
2. 广东省省级科技计划项目，2019A050510039，基于薄膜铌酸锂调制器的100-Gb/s水下光通信系统研究，2020/01/01-2021/12/31，参与。
3. 国家自然科学基金-青年科学基金项目，61605047，相干光OFDM/OQAM系统相位噪声机理及抑制方法研究，2017/01/01-2019/12/31，主持(已结题)。
4. 广东省自然科学基金，2016A030313438，相干光正交频分复用系统中的次符号光相位噪声抑制技术研究，2016/06/01-2019/06/01，主持(已结题)。
5. 广东省普通高校青年创新人才项目，2016/01/01-2017/12/31，主持(已结题)。
6. 中国博士后科学研究基金面上项目，2013M531868、数据通信光网络中高光谱效率物理层编解码信息安全技术、2013/04/01-2015/3/31，主持(已结题)。
7. 华南师范大学青年教师培育基金，13KJ04，基于多子帧相位噪声估计的相干光正交频分复用通信系统研究、2014/01/01-2015/12/31，主持(已结题)。
专利申请:
1. 发明专利：洪学智等,《一种概率整形星座调制相干光通信系统中盲偏振解复用的方法》(已公开，申请号 2020101858250)
2. 发明专利：洪学智等,《一种概率整形星座下的频差盲估计方法》(ZL2019105353356)
3. 发明专利：洪学智等,《一种残余载波频偏抑制方法》(ZL2018103965368)
4. 发明专利：洪学智等，《一种基于非判决辅助的次符号光相位噪声抑制方法》（ZL201610030949.5）
5. 发明专利：洪学智等,《一种基于部分判决辅助的光相位噪声抑制方法》（ZL201610031332.5）
6. 发明专利：洪学智等,《一种适用于CO-OFDM系统的多子块相位噪声估计补偿方法》（ZL201410301152.5）
7. 发明专利：洪学智等,《一种基于滑动窗口的CO-OFDM光相位噪声估计补偿方法》 （ZL201410546965.0）