Gu, Tingyi - University of Delaware - Department of Electrical and Computer Engineering

个人简介

Prof. Gu joined the ECE faculty in fall 2016. She received a B.S. with honors in electrical engineering from Shanghai Jiao Tong University, and M.S. and Ph.D. degrees in electrical engineering from Columbia University. For her Ph.D., she worked on silicon based nanophotonic and optoelectronic devices. She has held positions at the Center for High Technology Materials in the University of New Mexico, Zhejiang University in China, and Alcatel-Lucent Bell Labs and Princeton University in NJ. At Bell labs, she worked in Dr. Y. K. Chen’s group on silicon photonic network-on-chip systems. She completed postdoctoral research in the Large-Scale Integrated Photonics research group led by Raymond G. Beausoleil at Hewlett Packard Labs in Palo Alto, CA, studying large-scale nonlinear photonic circuits. She also completed postdoctoral work with Prof. Craig B. Arnold at Princeton University, studying solution processed chalcogenide materials. Gu’s research is reported in peer-reviewed journals, including Nature Photonics, ACS photonics, ACS Nano etc. She has also delivered many invited talks at universities and to industry.

研究领域

Prof. Gu’s research focuses on integrated photonic devices, developing optical components with new materials for optical communication and sensing applications. She investigates the physics of silicon based hybrid nanophotonic devices, and characterizes their potential for large-scale integration, high speed on-chip signal processing and sensing applications. Her work studies nonconventional photonic and electronic properties of nanostructured materials built by different integration techniques, and aims to build a scalable integrated photonic system.

近期论文

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Y. Xiao, Z. Wang, F. Wang, H. Lee, T. Kananen, T. Gu, Engineering the light coupling between metalens and photonic crystal cavity for robust on-chip microsystem, Journal of Optical Microsystems (2021) F. Wang, X. Niu, X. Hu*, T. Gu*, X. Wang, J. Yang, H. Yang, T. Ao, S. Wang and Q. Gong, AllOptical Mode-selective Router Based on Broken Anti-PT Symmetry, Physical Review Applied 14 (4), 044050 (2020) D. Mao†, C. Cheng†, F. Wang, Y. Xiao, T. Li, A. Soman, T. Kanenen, X. Zhang, M. Krainak, P. Dong and T. Gu*, Device architectures for low voltage and ultrafast graphene integrated phase modulators, IEEE Photonics Society Journal of Selected Topics in Quantum Electronics 27 (2), 1-9 (2020) D. Mao, M. Chen, X. Ma, A. Soman, H. Xing, T. Kananen, N. Augenbraun, C. Cheng, M. Doty and T. Gu*, Sub-bandgap laser patterning of planar chalcogenide photonics, Optical Material Express 10 (9), 2126-2134 (2020) A. Soman†, R. A. Burke†, Q. Li†, M. D. Valentin, T. Li, D. Mao, M. Dubey, and T. Gu*, Hydrogen plasma exposure of monolayer MoS2 FET and protection by monolayer graphene, ACS Applied Materials & Interfaces 12 (33), 37305-37312 (2020) Y. Wang, K. Gu, A. Soman, T. Gu, R. A. Register, Y.-L. Loo and R. D. Priestley, Circumventing Macroscopic Phase Separation in Immiscible Polymer Mixtures by Bottom-Up Deposition, Macromolecules 53, 5740–5746 (2020) H. Zhou, X Zhu, T. Gu, J. Wu, G. Deng, S. Huang, N. Ophir, M. Yu, D. Kwong, S. Zhou, K. Bergman and C. W. Wong, Error-free data transmission through fast broadband all-optical modulation in graphene-silicon optoelectronics, Applied Physics Letters 116, 221106 (2020) Q. Li, Y. Wang, T. Li, W. Li, F. Wang, A. Janotti, S. Law and T. Gu*, Micro-Raman study of strain in molecular beam epitaxial grown chalcogenide thin film, ACS Omega 5, 8090-8096(2020) F. Wang, Z. Wang, D. Mao, M. Chen, T. Kananen, A. Soman, X. Hu, C. Arnold and T. Gu*, Light emission from self-assembled and laser-crystallized chalcogenide metasurface, Advanced Optical Materials 1901236 (2020) Q. Li, Y. Gou, T.-G. Wang, T. Gu*, Q. Yu and L. Wang, Study on Local Residual Stress in the Nanocrystalline Cr2O3 Coating by Micro-Raman Spectroscopy, Coatings 9, 500 (2019) Z. Wang, T. Li, A. Soman, D. Mao, T. Kananen and T. Gu*, On-chip wavefront shaping with dielectric metasurface, Nature Communication 10, 3547 (2019) A. Soman, U. J Nsofor; U. Das, T. Gu and S. Hegedus, Correlation between in situ diagnostics of the hydrogen plasma and the interface passivation quality of hydrogen plasma post-treated a- Si: H in Silicon Heterojunction Solar Cells, ACS Applied Materials & Interfaces 11, 16181(2019) H. Lee, T. Kananen, A. Soman and T. Gu*, Influence of surface roughness on microring based phase shifters, Photonic Technology Letters 11, 813-816 (2019) D. Mao, T. Kananen, J. Sinsky, N. W. Petrone, J. Hone, P. Dong and T. Gu*, Bandwidth limitation of directly contacted graphene-silicon optoelectronics, ACS Applied Electronic Materials 1,172 (2019) T. Li, D. Mao, N. Petrone, R. Grassi, H. Hu, Y. Ding, Z. Huang, M. Yu, G. Lo, D.-L. Kwong, J. C. Hone, T. Low, C. W. Wong and T. Gu*, Spatially controlled electrostatic doping in graphene p-i-n junction for hybrid silicon photodiode, npj 2D Materials and Applications 2, 36 (2018) T. Gu, J. Gao, E. E. Ostoumov, H. Jeong, F. Wu, R. Fardel, N. Yao, R. D. Priestley, G. D. Scholes, Y.-L. Loo and Craig B. Arnold, Photoluminescence of functionalized germanium nanocrystals embedded in arsenic sulfide glass, ACS Applied Materials Interfaces 9, 18911 (2017) T Gu, H. Jeong, K Yang, F Wu, N Yao, R D. Priestley, C. White and C. B. Arnold, Anisotropic crystallization of solution processed chalcogenide thin film by polarized laser, Applied Physics Letters 110, 041904 (2017) D. Joung, T. Gu, J.-H. Cho, Tunable optical transparency in self-assembled three-dimensional polyhedral graphene oxide, ACS Nano 10, 9586 (2016) H. Zhou, T. Gu, J. F. McMillan, M. Yu, D.-L. Kwong, C. W. Wong, Enhanced photoresponsibity in graphene-silicon slow-light photonic crystal waveguides, Applied Physics Letters 14, 111106(2016) P. Dong, Y. Chen, T. Gu, Larry L. Buhl, David T. Neilson and Jeffery H. Sinsky, Reconfigurable 100Gb/s silicon photonic Networks-on-chip, OSA/IEEE Journal of Optical Communications and Networking 7, A37-A43 (2015)