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The Team

Meet the dedicated team working tirelessly at the advancing frontier of quantum technology.

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Kuan Eng Johnson Goh

Principal Scientist

Kuan Eng Johnson Goh is Head of Department for Quantum Technologies for Engineering, and Principal Scientist at IMRE A*STAR (Singapore). Trained as a Physicist (VUW, New Zealand), Engineer (Sheffield, UK), and Educator (NIE/NTU, Singapore), he went on to obtain his Ph.D. in 2007 from the Centre of Excellence for Quantum Computer Technology at the University of New South Wales (Sydney). He joined A*STAR in 2006 and contributed to materials science and engineering research ranging from atomic-scale 3D printing with silicon atoms, to highly conductive thermoplastics for 3D printable electronics, to 2D semiconductors and to quantum devices. His current endeavor is to meld his multidisciplinary research expertise in quantum information technologies, nanoelectronics, machine learning, and additive manufacturing towards disruptive quantum technologies.

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Wong Pei Yu Calvin


Calvin is currently a Research Scientist and Deputy Head at the Quantum Technologies for Engineering (QTE) Department of  the Institute of Materials Research and Engineering (IMRE), A*STAR where he is pursuing research in quantum materials and related fields. He obtained his B.Appl.Sc (Applied Chemistry) in 2013 and PhD (Integrative Sciences and Engineering) with a focus on Physics in 2018 at the National University of Singapore. He is well versed in the fabrication and electrical measurements of 2D material-based and Silicon-based devices and the characterization of these materials using a scanning tunneling microscope, where he pokes at atoms using a very sharp stick to make them tell their story. He hopes to synergize his advanced characterization techniques with quantum devices to better understand these materials to improve device performances.


Chit Siong (Aaron) Lau


Aaron is an experimental quantum scientist who engineers and studies next-generation materials and devices to understand the physics of low-dimensional systems. He graduated from the National University of Singapore in 2012 with a Bachelor of Science (Physics), first class honours, before receiving the A*STAR Graduate Scholarship to pursue his PhD at the University of Oxford. There, he frequented the Department of Materials and the Royal Oak Pub where he worked on quantum transport through single-molecule electronics. Having enjoyed his fill of Doom Bars, puntings and discussing about the weather, he successfully defended his thesis and returned to A*STAR IMRE in 2017, where he now works on atomically thin materials for quantum applications. In his spare time, he reads and partakes in the following subjects and activities: low-dimensional material and device physics, quantum technology, travelling, gardening, cycling and most sports involving teams chasing after a ball.


Fabio Bussolotti


Fabio Bussolotti is an experimental physicist expert in photoelectron spectroscopy for materials analysis. After completing his PhD in Physics at University of Modena and Reggio Emilia, Italy  (2006) he was  awarded international fellowship by the Japanese Society for Promotion of Science (2007) and moved to Japan Advanced Institute of Science and Technology (Asahidai, Japan) to investigate the electronic properties of organic single crystals and thin films by electron diffraction and angular resolved photoelectron spectroscopy (ARPES) techniques. He expanded these studies as GCOE (Global Center of Excellence) research associate at the Department of Nanomaterial Science in Chiba University, Japan (2009-2014) and at Institute of Molecular Science at Okazaki, Japan (2015). In 2016 he moved to IMRE, A*STAR, Singapore where is in charge of Spin-ARPES system for the study of atomically thin materials for quantum-based applications. In the spare time, he likes running, eating, reading, travelling and watching movies.


Fu Wei


Fu Wei is a material scientist in QTE@IMRE-A*STAR. After graduating from Shanghai Jiao Tong University with PhD degree in Applied Chemistry, he joined Prof Liu Zheng’s group in MSE@NTU, as a research staff working on controllable growth of novel atomic 2D materials by chemical vapor deposition technique in the period of 2014 to 2016. After that, he came to NUS, working in Prof LOH Kian Ping’s team in 2016-2020, and in Prof Barbaros’s team in 2020-2021, and his research mainly focused on wafer-scale epitaxial growth of smart 2D atomic layers for fundamental scientific research as well as for industry-targeted applications. Currently, he is working on the development of new advanced material growth techniques for the scalable production of high quality 2D atomic single crystals for quantum information applications.


Lee Cheow Siong Rainer


Prior to joining IMRE, Rainer was a process engineer at SERIS developing and fabricating P-type solar cells after graduation with a Bachelor from NTU’s School of Materials Science & Engineering. Moving forward, he will be contributing to the research in quantum materials through the development of fabrication process recipes for 2-dimensional (2D) semiconductors, topological insulators and conventional semiconductors among others.

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Ding Huang


Ding is an experimental physicist interested in quantum science and engineering. His research aims at understanding and controlling the properties of quantum systems at small length scale. He joined IMRE A*STAR in 2021, where he is now exploring quantum devices based on 2D materials. Ding received his PhD from Princeton University in 2021. His PhD work focuses on the spectroscopy of atomic defects in diamond and coupling them to nanophotonic cavities for quantum network applications. Prior to that, he received his master and bachelor’s degrees from Imperial College London in 2014, where he graduated with First Class Honours. In his spare time, he likes to hike, ski and play video games.


Jiang Zhuojun


Before joining IMRE, Zhuojun graduated from NUS with master’s degree in chemistry. Her bachelor’s degree in Engineering was completed from College of Chemistry, Chemical Engineering and Materials Science, Soochow University. Her previous research experiences mainly focused on electrochemistry and photocatalysis study of layered materials including LDH and Bismuth Oxyhalides, the fabrication of noble nanoparticles as well as preparation of heterojunction of nanoparticles and 2D materials. Currently, she is helping with exfoliation and transfer of TMDCs for devices. In the spare time, she enjoys reading, hiking and watching sci-fi movies.


Thomas Produit, PhD


Dr. Thomas Produit received his Bachelor (2015) and Master degree (2017) from ETH Zürich, Switzerland. He later moved to the University of Geneva (Switzerland) to do his PhD in the framework of the European project "Laser Lightning Rod". The aim of this project was to use a high average and high peak power ultrashort laser to guide and/or trigger natural lightning discharges. In 2022, he moved to Singapore now works as a research scientist at the Institute of Materials Research and Engineering, A*STAR. His current research interests focus on the field of quantum interferometry and its applications. Beside his research Thomas loves playing Tchoukball and travelling the world.

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Tao Wang, PhD


Dr. Tao Wang received his Ph.D. and B.Sc. from Beihang University where he worked on ultrahigh sensitivity spin-exchange relaxation-free (SERF) magnetometry for his graduate studies. From 2016 to 2019, he was a postdoctoral researcher with Prof. Dmitry Budker at UC Berkeley. His research at UC Berkeley focused on optical magnetometry and its applications in dark matter detection, developing a customized atomic magnetometer for a NASA project, and beyond-standard-quantum-limit precessing ferromagnetic magnetometers and gyroscopes. From 2019 to 2022, he was a postdoctoral research associate with Prof. Michael Romalis at Princeton University where he worked on developing a precise vector geomagnetic atomic magnetometer for a DARPA project. He joined A*STAR in Mar. 2022 and his current research interests include: 1) Optical magnetometry, and its applications in biomedical imaging, magnetic anomaly detection, and fundamental physics, etc., 2) Precessing ferromagnetic quantum sensors. In his spare time, he likes learning about world religious history, ancient Chinese history, and playing table tennis.

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Aswin Alexander, PhD


Dr. Aswin Alexander graduated with a Bachelor of Technology degree in Engineering Physics from the National Institute of Technology Calicut, India. He completed his PhD in 2021 from the National University of Singapore under the supervision of Prof. Ji Wei. His PhD thesis focused on nonlinear optical characterization of metal-organic hybrid microcrystals. His current research interests include fabrication and characterization of nonlinear optical devices for quantum metrology.  In his spare time, he enjoys playing almost any outdoor sport, especially cricket and badminton. He also tries to find time for watching movies, reading, and exploring new places.

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Past Members


Leonid Krivitsky, PhD

Principal Investigator

Dr. Leonid Krivitsky obtained his MSc (cum laude) in 2003 from the department of Physics, Lomonosov Moscow State University. He obtained his PhD in 2005 from the same institution. In 2005-2008 he held postdoctoral positions at National Metrology Institute (Turin, Italy), Max Planck Institute for the Science of Light (Erlangen, Germany), and Technical University of Denmark (Lyngby, Denmark). He is the recipient of several prestigious fellowships, including the Alexander Von Humboldt fellowship, Hans Christian Oersted fellowship, and an A-STAR Investigatorship. He was leading the Quantum Technologies for Engineering program at the Agency for Science, Technology, and Research. His scientific interests include quantum metrology and sensing, and quantum information processing.

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Haizhong Zhang, PhD



Yiding Lin, PhD


Dr. Yiding Lin received his Ph.D. (2019), M.Eng. (2015), and B.Eng. (Hons, 2011), all from Nanyang Technological University, Singapore. In 2018, he was a visiting student in the Electronic Materials Research Group (Prof. Lionel C. Kimerling & Dr. Jurgen Michel) at Massachusetts Institute of Technology. In 2019, he was interviewed by Optica (formerly OSA) for his Ph.D. research on strained Ge photodetectors. From 2019-2021, he worked as a postdoctoral fellow with Prof. Joyce Poon at the Max Planck Institute of Microstructure Physics (Halle (Saale), Germany). He joined A*STAR in Dec 2021 for the research and development of visible-light integrated single photon detectors and systems. His current research interests lie in integrated photonics at visible, near- and short-wave-infrared wavelengths, especially integrated group-IV (Si, Ge(Sn)) photodetectors. He was a recipient of SMART Graduate Fellowship (Singapore-MIT Alliance for Research and Technology) and was one of the valedictorians of NTU Convocation 2020. In his spare time, he likes playing soccer, travelling, reading, and spending time with family.

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Hongzhi Yang, PhD

Senior Specialist

Dr. Yang Hongzhi received his master's degree in laser optics from Shandong University, China in 2007. In 2012, he received his PhD degree in nonlinear optics from the physics department of the National University of Singapore. His current research interests include optical measurement and instrumentation, IR imaging and spectroscopy. During his leisure time, Hongzhi enjoys reading, watching movies, listening to music, and travelling.

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Prithvi Gundlapalli, Bsc


Mr. Prithvi Gundlapalli graduated with a BSc (Hons) in Physics with a Specialisation in Quantum Technologies from the National University of Singapore in 2020 and plans to start his PhD in 2022. He has done various research attachments and his bachelor's thesis at the Institute of Materials Research and Engineering, A*STAR, where he worked on quantum sensing with nitrogen vacancy centers in diamonds. He is currently a research specialist at the Institute where he is working on chip-based single photon detectors. His research interests are mainly in quantum sensing and in developing its practical applications. His hobbies include DJing, cycling, and playing with the numerous stray cats around his area, as well as convincing people that cats are better than dogs.

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Desmond Toa Zi Siang, PhD

Deputy Head of Department

Dr. Desmond Toa completed his B.A. in Physics from UC Berkeley and Ph.D. in Chemistry from Princeton University in 2011 and 2019 respectively. At Princeton, his main research revolves around vibronic quantum coherences in algal light-harvesting complexes using ultrafast two-dimensional electronic spectroscopy and quantum chemical simulations under Prof. Gregory Scholes’ supervision. His current research interest involves the following two topics: (1) spontaneous parametric down-conversion from aperiodically-poled nonlinear crystals and (2) expanding end-user applications in the chemical and biomedical industries for our quantum hyperspectral microscopes. He enjoys meditating, reading random pieces of knowledge, especially those pertaining to CPU design, and Chinese novels.

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