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Institute Colloquium

MEET THE EXPERTS ON PHOTONICS FOR IMAGING AND BEAM STEERING

Prof. Qing Yang & Prof. Yaocheng Shi

(Zhejiang University)


Date: November 25, 2026

Time: 1:30 – 3:30 p.m.

Venue: Conference Room of Leibniz IPHT

Cellular Endoscopy and Optical Brain-Computing-Interface 

Prof. Dr. Qing Yang

Yang Qing is a Qiushi Distinguished Professor at the College of Optical Science and Engineering, Zhejiang University, and the State Key Laboratory of Extreme Photonics and Instrumentation. She is a recipient of the National Science Fund for Distinguished Young Scholars.

She received her bachelor’s degree from Zhejiang University in June 2001 (College of Materials Science and Engineering) and her Ph.D. from Zhejiang University in June 2006 (supervisor: Academician Yang Deren). She subsequently joined Zhejiang University (College of Optical Science and Engineering) and was promoted to professor in December 2013.

She has been a visiting scholar at the Georgia Institute of Technology and the University of Cambridge. She has long been engaged in fundamental research on fiber-optic and on-chip super-resolution imaging and has promoted its applications in intracavity and brain science research.

She received the Wang Daheng Optics Award for Young and Middle-aged Scientific and Technological Personnel (2023), the Second Prize of the National Technology Invention Award (5/6, 2019), was twice selected for China’s Top Ten Optical Advances (2017, 2023), and was recognized in China’s Top Ten Influential Optical Events (2023). She has led major projects of the Interdisciplinary Department of the National Natural Science Foundation of China (project Co-PI), key international cooperation projects, and other projects. She has published more than 100 papers in important journals in the field, including Nat. Photonics and Phys. Rev. Lett., with more than 5,400 SCI citations. She has obtained more than 40 authorized national invention patents. She has given more than 70 invited talks at domestic and international conferences, including SPIE Photonics West. She serves as Associate Editor of Science Bulletin and a member of the editorial board of Advanced Photonics Nexus, among other positions.

Cellular endoscopy and optical brain-computing-interface

1 State Key Laboratory of Extreme Photonics and Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China

2ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China

The talk mainly presents the latest advances in multimode fiber light modulation and imaging. Owing to their extremely small diameter and ultrahigh mode density, multimode fibers have attracted widespread attention for imaging in recent years. However, multimode fiber imaging still faces challenges in practical applications, such as low stability, low resolution, and the lack of close loop control in brain-computing-interface. In response to these issues, the talk will present the latest research advances and possible directions for breakthroughs. The talk will also present the applications of electronic endoscopy and multimode fiber-based endoscopy for intracellular imaging in areas such as in vivo animal lumens, the brains of freely moving mice, and puncture imaging. We also talk about the potential applications of MMF in deep brain-computing-interface.

Silicon Optical Phased Array for Wide Angle Optical Beam-Steering

Prof. Dr. Yaocheng Shi

Yaocheng Shi received the Ph.D. degree from the Royal Institute of Technology (KTH), Stockholm, Sweden, in 2008. Then he joined the College of Optical Science and Engineering, Zhejiang University, where he is a Qiushi Distinguished professor. He also serves as the vice dean of the College of Optical Science and Engineering and vice director of the National Engineering Research Center for Optical Instruments.His current research interests include integrated photonics for optical communications, optical interconnections, and optical sensing. He has published more than 200 refereed international journal papers and his papers have been cited by >12000 times.

Silicon Optical Phased Array for Wide Angle Optical Beam-Steering

Yaocheng Shi

yaocheng@zju.edu.cn

With the growing demand for automotive LiDAR, optical phased array (OPA) is considered to be one of the leading technologies since it provides all-solid-state beam steering without mechanical scanners. The OPAs realize beam steering based on the principle of changing the optical phase in the waveguide array unit, which will modulate the wave fronts of the emission beam. In this talk, high-speed, low-power, and wide-beam-steering-angle optical phased arrays based on silicon-on-insulator (SOI) platform will be introduced. To overcome the limitation of grating lobes, waveguide arrays with non-uniform widths is utilized as the emitter. With such design, there will be no high-order grating lobes in the far field. The OPA with a wide field of view, which is not limited to the angles of grating lobes has been demonstrated. Furthermore, novel structures utilized to realize two-dimensional wide-angle beam steering will also be introduced.  

The lecture will be given in English.

GUESTS ARE WELCOME


Contact person at Leibniz IPHT: Jer-Shing Huang