Hybrid Silicon Photonics of Advanced Materials

Abstract:

Silicon photonics has witnessed a decade of growth, from the first demonstration of microring modulators to large-scale photonic integrated circuits for data center optical interconnects. The continuing optimization of design and fabrication technologies is advancing the optical network functionalities to the next level of complexity. The development of advanced silicon design and fabrication provides a reliable platform for chip scale manipulation of photons with high precision. The deterministic and reliable control of light delay and intensity allows sensitive recording of light-mater interaction process with high repeatability. It has been developed as a platform to probe and capture the dynamics of localized later-matter interactions for new thin film materials with subwavelength spatial resolution. The emerging layered materials, such as graphene, add another degree of freedom to silicon photonic device design, for low power all-optical switching/modulation, wavelength conversion, light detection, etc. 

Biography:

Dr. Tingyi 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.

Dr. Tingyi Gu joined the ECE faculty of University of Delaware 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 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. She is the recipient of the 2017 NASA Early Career Award and 2017 Air Force Office of Scientific Research Young Investigator Program.