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People

We always look for talented and motivated people to join the crew. 

We have multiple open positions. Please contact Di for more information.

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Di Zhu

Assistant Professor (Presidential Young Professor & NRF Fellow)

Department of Materials Science & Engineering (Staff page)

Department of Electrical and Computer Engineering (courtesy joint)

CQT Fellow, Centre for Quantum Technologies (Staff page)

National University of Singapore (NUS)

Senior Scientist, Agency for Science, Technology and Research (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.

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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.

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Xiaojie Wang

Research Fellow

Department of Materials Science and Engineering, NUS

Xiaojie Wang received his Ph.D. degree in 2024 from the Department of Precision Instrument, Tsinghua University. His Ph.D. thesis focused on ultrafast laser-matter interactions for applications in quantum optics and semiconductor devices. His current research involves nonlinear optics and integrated photonics.

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Hao Hao

Research Fellow

Centre for Quantum Technologies, NUS

Hao Hao received his Ph.D. in Superconductor Electronics from Nanjing University in 2025, under the supervision of Prof. Qingyuan Zhao. He obtained his Bachelor's degree in Electrical Science and Technology from Central South University in 2019. He is currently a Research Fellow in Prof. Di Zhu’s group at the Centre for Quantum Technologies. His research focuses on the integration of superconducting nanowire single-photon detectors (SNSPDs) with lithium niobate photonic platforms.

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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.

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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.

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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.

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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.

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Aakif Akhtar

PhD student

Department of Materials Science and Engineering, NUS

I am Aakif I have completed my bachelor's in Engineering Physics (2023) from Indian Institute of Technology Guwahati. My bachelor's thesis was to study the dynamics of different superconducting qubit architecture in ultra-strong coupling regime for fast gate operations. I am currently a PhD student at Integrated Photonic Group at National University Singapore under Di Zhu.  My current research interests are in engineering quantum photonics for coherent microwave-optical transducers, quantum memories and optical quantum photonics. Apart from this, I love watching anime, running, cycling and visiting quite places in nature. Also, I am fascinated by how I can think of life in terms of mathematical facts, and I regularly try to find new ways to define life my favorite one being “optimism in the face of uncertainty”.

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Sakthi Sanjeev Mohanraj

PhD student

Materials Science and Engineering, NUS

I am Sakthi. I received my master's degree in physics from Vellore Institute of Technology, India, in 2022, where I worked on developing protocols for generating non-local entanglement in gate-based quantum computing systems. Following my master's, I joined Agency for Science, Technology and Research (A*STAR), Singapore, as a research engineer specialising in the fabrication of integrated photonic devices based on the thin-film lithium niobate (TFLN) platform. I am currently pursuing my Ph.D. under the supervision of Dr. Di Zhu. Outside of work, I enjoy watching TV shows and travelling.

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Boyang Deng

PhD student

Centre for Quantum Technologies, NUS

Boyang Deng received her Bachelor’s degree in Photoelectric Information Science and Engineering from the University of Science and Technology of China in 2025. Her undergraduate research primarily focused on microwave-to-optical modulator based on the thin-film lithium niobate (TFLN) platform. She is currently pursuing a PhD under the supervision of Dr. Di Zhu. Her current research interests include integrated quantum photonics and quantum computing on the TFLN platform. In her leisure time, she enjoys digital art design and cycling.

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Haochen Xu

PhD student

Department of Materials Science and Engineering, NUS

Haochen Xu received both his Master's degree (2025) in Electrical Engineering and his Bachelor's degree (2022) in Optoelectronic Information Science and Engineering from Zhejiang University, China. His Master's research primarily focused on high linearity electro-optic modulators based on thin film lithium niobate, under the supervision of Prof. Daoxin Dai. He is currently a PhD student under the supervision of Di Zhu. In his leisure time, he enjoys travel, photography, badminton, table tennis, anime, and music.

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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.

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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.

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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.

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Sparsh Mittal

Master of Engineering Student

Department of Materials Science and Engineering, NUS

I completed my BTech in Engineering Physics from IIT Delhi, India in 2025 and have joined as a MEng student in MSE, NUS under the NQSS scholarship scheme. My bachelor's thesis was focussed on Quantum Machine Learning and other projects ranged from beam engineering for turbulence to simulation of couplers for Lithium Niobate waveguides. My hobbies include reading philosophy, classical literature, music, movies etc. I am always eager to learn new things to broaden my capabilities and field of view.

Alumni

  1. Junyong Yan, visiting PhD student (2024-2025) from Zhejiang University; currently a postdoc at NUS.

  2. Amit Altman, undergraduate intern (IRIS program) from Queen's University (2025)

  3. Hongming Du, undergraduate intern from Boston University (2025)

  4. Tao Ran, NTU undergraduate intern student (2025)

  5. Boyang Deng, undergraduate intern student (2025); currently a PhD student in the group

  6. Jiapeng Sun, visiting PhD student (2024-2025) from Harbin Engineering University

  7. Ming Lu, visiting PhD student (2024-2025) from Zhejiang University

  8. Yucheng Shen, UROPS student (2024) at the Department of Physics (exchange student); currently a PhD student at NTU

  9. Lixiang Wang, visiting PhD student (2024) from Zhejiang University

  10. Aditya Tripathi, research assistant (2024)

© 2023 by Di Zhu @ NUS 

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