LI Zhengyong

Professional title:Professor

Office No.:



Sept. 1993-Jun. 1997, Central South University, BS Degree

Sept. 2005-Dec. 2008, Beijing Jiaotong University, PhD Degree

Jan. 2011-Dec. 2011, University of Cambridge, Visiting Scholar

Professional Experience

Professor and Ph. D. Supervisor, Beijing Jiaotong University

Research Field

Quantum Information, Quantum Communication, and Quantum Manipulation


  1. All-optical proportional-integral-derivative control system and ultrafast coherent self-locking of optical pulse, NSFC
  2. Ultrafast high-coherent tunable optical pulse system and its application to quantum control, NSFC
  3. Fundamental investigation on 40-Gbits/s differential polarization coding for optic fiber communication, NSFC

Teaching Courses

Principle and Application of Quantum Communication (Undergraduate)

Quantum Information and Communication (Graduate)


  1. Direct measurement of the PDC photon statistics by PNR detector, Optics Communications, 477, 126352 (2020).
  2. Polarization scrambling characteristic analysis based on density of polarization states statistics, Chin. Opt. Lett., 18(6), 060604 (2020).
  3. Uniformly high-speed semi-open loop polarization control and PMD suppression, Chin. Opt. Lett., 18(5), 050601 (2020). Selected as Research Highlight.
  4. Phenomenological model for mixed multiphoton absorption in bialkali photocathode and application to ultrafast pulse characterization, Applied Physics Letters, 114(23), 231102 (2019).
  5. High-order actively mode-locked picosecond fiber laser and Poissonian single-photon source, Optics Communications, 453, 124394 (2019).
  6. Nonlinear absorption in single-photon detector and ultrafast mode-locked laser pulse characterization, Optical Fiber Communications Conference (OFC2018), Mar. 11-15, 2018, San Diego, USA.
  7. Ultralow-noise single-photon detection based on precise temperature controlled photomultiplier with enhanced electromagnetic shielding, Chin. Opt. Lett., 15(10), 100301 (2017).
  8. Non-linear polarization orthogonality loss in a semiconductor optical amplifier, Chin. Opt. Lett., 14(9), 090601 (2016).
  9. Fast-gated single-photon counting with ultra-low noise based on thermoelectrically cooled photomultiplier tube, 13th Intl. Conference on Quantum Communication, Measurement and Computing (QCMC2016), Jul. 3-8, 2016, Singapore.
  10. Coincidence counting measurement of commercial quasi-single-photon source, Chin. Opt. Lett., 13, 20301 (2015).
  11. Truly random number generation based on one single-photon detector optimized by polarization scrambling, 12th Intl. Conference on Quantum Communication, Measurement and Computing (QCMC2014), Nov.2-6, 2014, Hefei, China.
  12. Phase-locked all-optical differential polarization demodulation, Chin. Phys. B 23(6), 064214 (2014).
  13. Snapping single flying photons based on tunneling assisted multiphoton absorption, APS March Meeting, Mar. 3-7, 2014, Denver, USA.
  14. Experimental two-photon absorption in silicon avalanche photodiode for infrared single photon detection, APS March Meeting, Mar. 3-7, 2014, Denver, USA.
  15. Phase-locked flying qubits with synthesized waveforms, Nature Communications, 4(3), 1600 (2013).
  16. Principal state analysis for compact in-line fiber polarization controller, Chin. Phys. Lett., 30(1), 014205 (2013).
  17. Polarization temporal differentiation with application to pulse multiplication and reshaping, Journal of the Optical Society of America (JOSA) B, 28(10), 2347 (2011).
  18. Optical time-domain differentiation based on intensive differential group delay, Chin. Phys. B, 20(10), 110528 (2011).
  19. Polarization temporal signal processor for ultrahigh-speed optical communication applications, Optical Fiber Communications Conference (OFC2011), Mar. 6-10, 2011, Los Angeles, USA.
  20. Mueller-matrix-based differential rotation method for precise measurement of fiber birefringence vector, Chin. Phys. Lett., 27(10), 104201 (2010).
  21. All-optical differentiator and applications to ultra-high-speed optical communication, (Invited Paper), International Conference on Optical Communications and Networks (ICOCN2010), Oct. 24-27, 2010, Nanjing, China.
  22. All-optical differentiator and high-speed pulse generation based on cross-polarization modulation in a semiconductor optical amplifier, Optics Letters, 34(6), 830 (2009).
  23. Temporal differentiation of optical signals based on polarization coupling and filtering, Conference on Lasers and Electro-Optics (CLEO2009), May 31-Jun. 4, 2009, Baltimore, USA.
  24. Polarization shift keying based on cross polarization modulation of semiconductor optical amplifier (Invited Paper), International Conference on Optical Communications and Networks (ICOCN2009), Sept. 15-17, 2009, Beijing, China.
  25. Generalized principal state of polarization and matrix model for piezoelectric polarization controllers, Chin. Phys. Lett., 25(4), 1325 (2008).
  26. Matrix-based polarization analysis and application of semiconductor optical amplifiers, Chin. Phys. Lett., 25(11), 3964 (2008).
  27. Stress distribution and induced birefringence analysis for pressure vector sensing based on single mode fibers, Optics Express, 16(6), 3955 (2008).
  28. Phenomenological model for semiconductor optical amplifiers and application to time-domain digital polarization encoding, Optics Letters, 33(18), 2032 (2008).
  29. Cascaded dynamic eigenstates of polarization analysis for piezoelectric polarization control, Optics Letters, 32(19), 2900 (2007).