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Cheng Zhang

Cheng Zhang is a UMD Postdoctoral Researcher in the Microsystems and Nanotechnology Division. He received a B.E. in Electrical Engineering from Shandong University, China in 2010, and a Ph.D. in Electrical Engineering from University of Michigan-Ann Arbor in 2016. Cheng received Optics and Photonics Education Scholarship from SPIE in 2010 and 2013, Michael Pate Optical Sciences Memorial Scholarship in 2014, Distinguished Leadership Award, Richard and Eleanor Towner Prize for Outstanding PhD Research, and Rackham Pre-doctoral Fellowship from University of Michigan, and Outstanding Overseas Student Award from the Chinese government in 2015.

He worked with Dr. L. Jay Guo for his doctoral research, where he focused on the development of ultra-thin and low-loss doped Silver films and their applications in various nano-photonic and electro-optical devices, including hyperbolic metamaterials, plasmonic waveguides, organic solar cells, and organic light emitting diodes. He also investigated several types of metamaterials for structural color generation, asymmetric light transmission, and polarization state control. He has expertise in nanoimprinting lithography for high-performance optical device fabrication. Cheng is currently working with Dr. Henri Lezec on numerically simulating, designing, fabricating, and experimentally characterizing advanced plasmonic devices and metamaterials operating at infrared, visible, and ultraviolet frequencies. Cheng also serves as the Event Leader of the OSA Nanophotonics Technical Group.

Selected Publications

  • High-performance Doped Silver Films: Overcoming Fundamental Material Limits for Nanophotonic Applications, C. Zhang, N. Kinsey, L. Chen, C. Ji, M. Xu, M. Ferrera, X. Pan, A. Boltasseva, V. Shalaev and L. J. Guo,  Advanced Materials, 2017.
  • An Ultrathin, Smooth, and Low-Loss Al-Doped Ag Film and Its Application as a Transparent Electrode in Organic Photovoltaics, C. Zhang, D. Zhao, D. Gu, H. Kim, T. Ling, Y. K. Wu, and L. J. Guo, Advanced Materials, 2014.
  • High Performance Bianisotropic Metasurfaces: Asymmetric Transmission of Light, C. Pfeiffer, C. Zhang, V. Ray, L. J. Guo, and A. Grbic, Physical Review Letters, 2014.
  • Efficient Real-time Detection of Terahertz Pulse Radiation Based on Photoacoustic Conversion by Carbon Nanotube Nanocomposite, S. L. Chen, Y. C. Chang, C. Zhang, J. G. Ok, T. Ling, M. T. Mihnev, T. B. Norris, and L. J. Guo, Nature Photonics, 2014.
     

Publications

Photorealistic full-color nanopainting enabled by a low-loss metasurface

Author(s)
Pengcheng Huo, Maowen Song, Wenqi Zhu, Cheng Zhang, Lu Chen, Henri J. Lezec, Yanqing Lu, Amit K. Agrawal, Ting Xu
We design and experimentally demonstrate a TiO2 metasurface that enables full-color generation and ultrasmooth color brightness variations. The reproduced

Plasmon Lasers

Author(s)
Wenqi Zhu, Shawn M. Divitt, Matthew S. Davis, Cheng Zhang, Ting Xu, Henri J. Lezec, Amit K. Agrawal
Recent advancements in the ability to design, fabricate and characterize optical and optoelectronic devices at the nanometer scale have led to tremendous

Low-loss Metasurface Optics down to the Deep Ultraviolet

Author(s)
Cheng Zhang, Shawn M. Divitt, Qingbin Fan, Wenqi Zhu, Amit K. Agrawal, Yanqing Lu, Ting Xu, Henri J. Lezec
Metasurfaces, planar arrays of subwavelength electromagnetic structures that collectively mimic the functionality of much thicker conventional optical elements
Created July 31, 2019, Updated May 29, 2020