Di Zhu Group

Optical photons are natural carriers of quantum information and have led to numerous breakthroughs in quantum communication, networking, sensing, and computation. Despite impressive proof-of-concept demonstrations, implementing practical quantum algorithms requires a new level of complexity, where thousands to millions of optical elements need to be put together. Integrated photonics is likely the only solution.???

Our group aims to develop an integrated photonic platform for scalable quantum information, allowing single-photon generation, control, and detection on a single integrated chip. We rely on two key technologies -- thin-film lithium niobate photonics and superconducting nanowires. The combination of the two will enable novel functionalities and applications such as microwave-optical transduction, single-photon feedforward, as well as advanced multiplexing and encoding schemes for photonic qubits. Our expertise is in nanofabrication, integrated photonics, and applied superconductivity. Beyond integrated quantum photonics, our research extends broadly to nanoplasmonics, superconducting microwave circuits, and classical optoelectronics devices.

We are seeking motivated PhD students and Research Fellows to join our team. If you’re interested, please visit https://www.dizhulab.org/join-us or contact Di directly.

More information at our homepage: https://www.dizhulab.org/

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 focused on superconducting nanowire single-photon detectors, and postdoc work 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. Di was a recipient of the NRF Fellowship (Class 2023), Harvard Quantum Initiative (HQI) 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.

Group Members

• Di ZhuCQT Fellow
• Sakthi Sanjeev MohanrajResearch Specialist (A*STAR)
• Sihao WangResearch Scientist (A*STAR)
• Veerendra DhyaniResearch Scientist (A*STAR)
• Xiaodong ShiResearch Scientist (A*STAR)
• Guangxing WuResearch Fellow
• Hao HaoResearch Assistant
• Lin ZhouResearch Assistant
• Jiapeng SunVisiting PhD student
• Ming LuVisiting PhD student