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Dr. WANG Cheng

BEng(Tsinghua), SM(Harvard), PhD(Harvard)

Assistant Professor

Contact Information

Office: G6418 
Phone: 34427271
Email: cwang257@cityu.edu.hk
Web: Group webpage

Research Interests

  • Nanofabrication Technology, Photonic Circuits, Optical communications, Nonlinear Optics
Dr. Cheng Wang received his B.S. degree in Microelectronics from Tsinghua University in 2012. Afterwards, he joined Harvard University as a Ph.D. student in the School of Engineering and Applied Sciences, advised by Prof. Marko Loncar. He received his S.M. and Ph.D. degrees, both in Electrical Engineering from Harvard University, in May 2015 and May 2017, respectively. From 2017 – 2018, Cheng conducted research as a postdoctoral fellow at Harvard, before joining City University of Hong Kong as an Assistant Professor in June 2018. Cheng's research focuses on enhancing light-matter interaction in nanophotonic structures. His current research effort focuses on realizing integrated lithium niobate photonic circuits for applications in optical communications and nonlinear optics. Dr. Wang is the recipient of the NSFC Excellent Young Scientist Fund (HK & Macau) in 2019 and the Croucher Innovation Award in 2020.

For more details, please check out the group website.

Awards and Achievements

  • 2019 “Excellent Young Scientist Fund (HK & Macau) (优青)” NSFC.
  • 2020 “Croucher Innovation Award” Croucher Foundation.

Research Grants

  • Efficient Terahertz Generation in Nanophotonic Lithium Niobate Waveguides, General Research Fund, 2020 - Now, Cheng Wang (PI).
  • 集成光子学器件, NSFC Excellent Young Scientists Fund, 2020 - Now, Cheng Wang (PI).
  • Integrated Lithium Niobate Photonics for Millimeter-wave Applications, Early Career Scheme, 2019 - Now, Cheng Wang (PI).
  • Scaling Up Lithium Niobite Photonics for Future Optoelectronics, Croucher Innovation Award, Cheng Wang (PI).

Publications Show All Publications Show Prominent Publications


  • Zhang, M. , Buscaino, B. , Wang, C. , Shams-Ansari, A. , Reimer, C. , Zhu, R. , Kahn, J. M. & Loncar, M. (2019). Broadband electro-optic frequency comb generation in a lithium niobate microring resonator. Nature. 568. 373 - 377. doi:10.1038/s41586-019-1008-7
  • Zhang, M. , Wang, C. , Hu, Y. , Shams-Ansari, A. , Ren, T. , Fan, S. & Loncar, M. (2019). Electronically programmable photonic molecule. Nature Photonics. 13. 36 - 40. doi:doi.org/10.1038/s41566-018-0317-y
  • Wang, C. , Zhang, M. , Yu, M. , Zhu, R. , Hu, H. & Loncar, M. (2019). Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation. Nature Communications. 10. 978 doi:doi.org/10.1038/s41467-019-08969-6
  • Wang, C. , Zhang, M. , Chen, X. , Bertrand, M. , Shams-Ansari, A. , Chandrasekhar, S. , Winzer, P. & Loncar, M. (2018). Integrated lithium niobate electro-optic modulators operating at CMOS-compatible voltages. Nature. 562. 101 - 104. doi:10.1038/s41586-018-0551-y
  • Wang, C. , Li, Z. , Kim, M. H. , Xiong, X. , Ren, X. , Guo, G. , Yu, N. & Loncar, M. (2017). Metasurface-assisted phase-matching-free second harmonic generation in lithium niobate waveguides. Nature Communications. 8. 2098 doi:2017

Service in CityU

Teaching Service

  • 2019 - Now, EE5436, Fundamentals and Applications of Photonics.
  • 2019 - Now, EE6615, Nanotechnology for Devices and Microsystems.

Last update date : 20 Nov 2020