Integrated Quantum Photonics Lab
Dr. Di Zhu | National University of Singapore
People
We always look for talented and motivated people to join the crew.
We have multiple open positions. Please contact Di for more information.
Di Zhu
Assistant Professor (Presidential Young Professor & NRF Fellow)
Department of Materials Science & Engineering (Staff page)
Department of Electrical and Computer Engineering (courtesy joint)
Fellow, Centre for Quantum Technologies (Staff page)
National University of Singapore (NUS)
Senior Scientist, Quantum Technologies for Engineering Department
Institute of Materials Research and Engineering, A*STAR
Di Zhu received his Ph.D. (2019) and M.Sc. (2017) from Massachusetts Institute of Technology, and B.Eng. (2013) from Nanyang Technological University, all in Electrical Engineering. From 2019 to 2021, he was a postdoctoral fellow at Harvard University. His Ph.D. thesis with Prof. Karl Berggren focused on superconducting nanowire single-photon detectors, and postdoc work with Prof. Marko Lončar centered around thin-film lithium niobate photonics. In 2021, he returned to Singapore and joined the Institute of Materials Research & Engineering at A*STAR as a research scientist and principal investigator. In September 2023, he joined the National University of Singapore as a Presidential Young Professor while keeping a joint appointment with A*STAR. He is also a Fellow of Centre for Quantum Technologies (CQT).
Di was a recipient of the MIT TR35 Asia Pacific (2024) award, NRF Fellowship (2023), Harvard Quantum Initiative Postdoctoral Fellowship, A*STAR National Science Scholarship, and MIT Jin-Au Kong thesis award. His current research interests include integrated quantum photonics, applied superconductivity, and nanoscale electromagnetics.
Outside of research, Di enjoys reading and hiking.
NUS Team
Guangxing Wu
Research Fellow
Department of Materials Science and Engineering, NUS
Guangxing Wu received his Bachelor’s degree in Optoelectronic Materials and Devices from Harbin Engineering University, China, in 2016 and his Master’s degree in Optical Engineering from Nanjing University, China, in 2019. Following that, he received his Ph.D. degree in Electronic Engineering from National University of Singapore, Singapore, in 2024. After graduation, Guangxing Wu joined the Department of Materials Science & Engineering of NUS as a postdoctoral research fellow. During his master’s studies, his research focused on second harmonic generation in optical fiber nanowires and optical multimode fiber endoscopes. During his Ph.D., he turned to developing advanced optical microsphere nanoscopes and driving applications of this technology. His current research interests include integrated photonics, nonlinear optics, and quantum optics in the thin-film lithium niobate platform.
Hao Hao
Research Assistant/Visiting Scholar
Centre for Quantum Technologies, NUS
Hao Hao obtained his Bachelor's degree in Electrical Science and Technology from Central South University in 2019. Currently, he is pursuing his Ph.D. at the Research Institute of Superconductor Electronics, Nanjing University. Under the guidance of Prof. Qingyuan Zhao, his Ph.D. research focuses on photon number resolving superconducting nanowire single photon detector and its application in single photon communication. Hao is now serving as a visiting scholar in Prof. Di Zhu's group.
Angela Anna Baiju
PhD Student (co-supervised)
Department of Physics, NUS
Angela is currently a PhD candidate at the National University of Technology Singapore, supported by the SINGA scholarship from ASTAR. She received her master’s degree in Quantum Technology from the Australian National University, where she conducted research on characterizing single photon sources of perovskite nanocrystal and briefly worked on producing Bose-Fermi mixture of metastable He atoms. Angela obtained her Bachelor’s degree in Engineering Physics from the National Institute of Technology Calicut. Her current research revolves around the production, measurement, and technical applications of non-classical light sources such as squeezed light, utilizing a non-linear integrated optics platform. Outside of academia, she likes reading sci-fi and mystery books, as well as exploring new places.
Lin Zhou
PhD student
Department of Materials Science and Engineering, NUS
Lin Zhou received his Master's degree (2023) in optical engineering and his Bachelor's degree (2020) in materials physics from Nanjing University, China. His Master's thesis focused on the implementation of quantum-inspired imaging techniques, under the supervision of Prof. Lijian Zhang. He is currently a PhD student under the supervision of Di Zhu. His current research interests include integrated quantum photonics and quantum computing on the thin-film lithium niobate platform. During his leisure time, he enjoys reading, music and multilingual learning.
Zhuoyang Yu
PhD student
Department of Materials Science and Engineering, NUS
Zhuoyang Yu got his Master’s degree in Electronic Engineering from ETH Zurich in 2024, following his Bachelor’s degree in the same field from Tsinghua University, in 2021. For his Master’s thesis, he developed a plasmonic modulator using artificial nonlinear materials under the guidance of Prof. Juerg Leuthold. His Bachelor’s thesis, supervised by Prof. Maokun Li and Prof. Chia-Wei Hsu, focused on creating discrete perfectly matched layers (DPML). Currently, Zhuoyang is pursuing a PhD under the supervision of Di Zhu, with research interests in microresonator-based frequency combs and integrated quantum photonics. In his free time, he enjoys reading, listening to music, boxing, skiing and so on.
Mengyao Zhao
PhD student
Department of Materials Science and Engineering, NUS
Mengyao Zhao received both her Master’s degree (2024) in Optical Engineering and her Bachelor’s degree (2021) in a similar field from Huazhong University of Science and Technology, China. Her Master’s research primarily focused on passive integrated photonic devices and systems based on lithium niobate-on-insulator and silicon-on-insulator platforms, under the supervision of Prof. Jianji Dong. She is currently a PhD student under the supervision of Di Zhu. In her spare time, she enjoys playing badminton, reading, and watching movies.
Aditya Tripathi
Research Assistant
Centre for Quantum Technologies, NUS
I completed my integrated MSc. from UM-DAE Center for Excellence in Basic Sciences. For my master's thesis project I worked on developing a control system for atomic tweezer arrays, under Dr. Takeshi Fukuhara, RQC, Riken. Currently I am a research assistant in Dr. Zhu Di's group. My hobbies include basketball, reading philosophy, electronics and automation projects.
Ming Lu
Visiting PhD Student
Department of Materials Science and Engineering, NUS
Ming Lu received his Bachelor’s degree in Electronic Science and Applied Physics from Hefei University of Technology, China. He is currently a Ph. D. candidate at Zhejiang University, and his research focuses on photodetector based on Si/Graphene heterojunction, with an emphasis on device design, Micro-Nano fabrication, characterization, and mechanism exploration, under the supervision of Prof. Chaofeng Lu. Now, he is conducting an exchange program in National University of Singapore with the guidance of Prof. Di Zhu. He enjoys swimming and playing badminton during his leisure time.
Jiapeng Sun
Visiting PhD student
Department of Materials Science and Engineering, NUS
Sun Jiapeng is a graduate student at the Harbin Engineering University, where he obtained a master's degree in optics and is now pursuing doctoral degree. His research focuses on phase change materials, laser propulsion, and biochemical detection of liquid crystals. He is working on building an all-photon non-volatile programmable platform and achieving logic computing. He is currently conducting exchange research in Prof. Zhu Di's group at the National University of Singapore.
Junyong Yan
Visiting PhD Student
Department of Materials Science and Engineering, NUS
Junyong Yan is a PhD student at College of Information Science and Electronic Engineering, Zhejiang University. His PhD research focuses on III-V quantum dot-based quantum optics, including single-photon sources, entangled-photon sources, and solid-state stationary qubits.
Currently, he is a visiting PhD Student in Prof. Zhu's group at NUS, aiming to develop high-performance near-infrared lithium niobate photonic circuits. His research interests include integrated photonics, quantum information processing, quantum emitters, and nanofabrication.
Yue Li
Visiting PhD Student
Department of Materials Science and Engineering, NUS
Yue Li is a PhD student in the group of Prof. Shouhuan Zhou at the School of Electronic Information, Sichuan University. Her research focuses on femtosecond laser micromachining, nonlinear optics, and measurements, design, and fabrication of nanophotonic devices on thin film lithium niobate. Currently, she is a visiting PhD Student in Prof. Zhu's group at NUS, and her research interests include integrated photonics, nonlinear optics, and quantum optics based on thin-film lithium niobate platforms.
Xu Chen
Visiting PhD Student
Department of Materials Science and Engineering, NUS
Chen Xu received his Bachelor's degree in Measurement and Control Technology and Instruments from Beihang University in 2021. He is currently pursuing a PhD at Beihang University under the supervision of Prof. Xia Yu, focusing on high-performance lasers for quantum precision measurement and laser stabilization. He is currently a visiting student in Prof. Zhu’s group at the National University of Singapore. In his spare time, he enjoys swimming and watching movies.
Ran Yang
Visiting PhD Student
Department of Physics & CQT, NUS
Ran Yang received his Bachelor's degree in Theoretical Physics from Southeast University, China, in 2018 and his Master's degree in Optics from Nanjing University, China, in 2021. Currently, he is pursuing his Ph. D. at the Dielectric Superlattice Laboratory, Nanjing University. Under the guidance of Prof. Yanxiao Gong, his Ph. D. focus on quantum photonic state generation, manipulation and application based on integrated micro-resonators. Now, he is conducting an exchange program in NUS with the guidance of Prof. Di Zhu, aiming to develop advanced integrated photonics quantum information processing platforms.
Boyang Deng
Visiting undergraduate student
Centre for Quantum Technologies, NUS
Boyang Deng is an undergraduate student from the School of Physical Sciences, University of Science and Technology of China. Now, she is doing summer internship in Asst. Prof. Zhu Di's group at the National University of Singapore. Her current research interests include integrated photonics, nonlinear optics, and quantum optics in the thin-film lithium niobate platform. Her hobbies include digital art design and cycling.
A*STAR Team
Veerendra Dhyani
Research Scientist
Quantum Technologies for Engineering Department
Institute of Materials Research and Engineering, A*STAR
Veerendra Dhyani has received his Ph,D degree from Centre for Applied Research in Electronics (CARE), IIT Delhi, India. His Ph.D. thesis (2020) with Dr. Samaresh Das was focused on the use of nanostructured materials (Si/Ge nanowire, porous silicon and TMDCs) to develop high-efficiency photodetectors. During this time, he has also worked on nanofabrication and characterization of Junction-less Nanowire Trigate MOSFET for THz detector. Later He moved to Trinity College Dublin (2020-2021) as a postdoc with Dr. Richard Hobbs, where he has worked on development of solid-state mask for near-field atom-beam lithography (metastable helium atoms) in collaboration with Prof. Bodil Holst (University of Bergen, Norway).
His current research interests include nanofabrication, nano-electronics, and integrated photonics. Currently, he is working as research scientist at IMRE, A*STAR with Dr. Zhu Di on the advancement of integrated photonic devices for quantum communication. His hobbies include music, movies, and hiking.
Xiaodong Shi
Research Scientist
Quantum Technologies for Engineering Department
Institute of Materials Research and Engineering, A*STAR
Xiaodong Shi joins the QTE department at IMRE, A*STAR, Singapore in 2023. He received his Bachelor's degree in Information Engineering from Beihang University, China, in 2016, followed by a Master's degree and Ph.D. in Photonic Engineering from Technical University of Denmark in 2018 and 2022, respectively. During his Ph.D., he focused on silicon carbide integrated photonics, with a particular emphasis on material preparation, device design, nanofabrication, and characterization, under the supervision of Prof. Haiyan Ou, Prof. Karsten Rottwitt, and Prof. Paul Michael Petersen. He then got the Villum Experiment grant from VELUX FOUNDATIONS and worked on silicon carbide quantum chips as a Postdoctoral Researcher at Technical University of Denmark. His research interests include integrated photonics, nonlinear optics, quantum optics, and nanofabrication.
Sihao Wang
Research Scientist
Quantum Technologies for Engineering Department
Institute of Materials Research and Engineering, A*STAR
Sihao Wang received his Ph.D (2023), M.Sc (2019) and M.Phil (2019) from Yale University in Electrical Engineering after obtaining his B.Sc (2014) from National University of Singapore in Physics. He completed his Ph.D. thesis under the supervision of Prof. Hong Tang, on developing hybrid quantum systems interfacing photons with spins. A particular focus is to dope rare earth spins in thin film lithium niobate for efficient spin control with light. Sihao is a A*STAR National Science Scholarship recipient. His current research interests include spin-mediated hybrid system, integrated photonics, and superconducting electronics. In his leisure time, Sihao enjoys hiking, playing soccer and cycling.
Sakthi Sanjeev Mohanraj
Research Specialist
Quantum Technologies for Engineering Department
Institute of Materials Research and Engineering, A*STAR
I graduated from Vellore Institute of Technology, India, with an M.Sc. in Physics. I did my master’s thesis under the supervision of Dr. Balakrishnan focusing on optimizing quantum protocols for implementing non-local gates in distributed quantum computing. Currently, I am working as a specialist at IMRE, A*STAR with Dr. Zhu Di in integrated photonics.
My hobbies include graphic designing and traveling.
Alumni
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Yucheng Shen, UROPS student (2024) at Department of Physics (exchange student)
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Lixiang Wang, visiting PhD student (2024) from Zhejiang University