Jingyi Tian was born in Huai’an, Jiangsu, in 1991. She received her Bachelor's degree in Information Engineering (also Honors Degree of the Chu Kochen Honors College) from Zhejiang University in 2014. She later received her PhD degree in Optical Engineering from Zhejiang University and subsequently joined the School of Physical and Mathematical Sciences at Nanyang Technological University in Singapore as a research fellow in 2019. Her doctoral thesis was nominated for Outstanding Doctor Dissertations in Optics by the Chinese Optical Society and was also recognized as an Outstanding Doctor Dissertation by Zhejiang University. She was honored with Women in Engineering, Science and Technology Conference Grant by Nanyang Technological University in 2020. As of 2024, she will assume a full-time position as an Assistant Professor in the School of Engineering at Westlake University.

Conventional optical components like lenses and polarizers still have limitations when it comes to optical manipulation. The use of these tools hinders the achievement of complex and precise optical control within a confined spatial and temporal range, which doesn't meet the demands of device miniaturization. On the other hand, optical metamaterials/nanostructures, comprising subwavelength resonant cavities, offer a solution. These structures can generate virtual optical states with specific energy (spectral) and momentum (spatial) distributions, effectively enhancing the density of local states. Consequently, they provide powerful means for optical control at nanoscale.

Dr. Jingyi Tian has dedicated herself to the theory and technology of optical manipulation, spanning from macroscopic rough manipulation to microscopic versatile control, by employing nanostructures and metamaterials. She initiated the concept and realized a phase-change perovskite microlaser with tunable polarization vortexes; She also developed a robust one-dimensional ultrathin topological laser operating in the visible spectral range; Moreover, by utilizing micro/nanostructures to manipulate the disordered fluorescence emission from achiral perovskites, she broke the record of degree of circular polarization in the well-defined directional radiation. As the first/corresponding author, she has published many papers in top journals such as Nature Communications, Advanced Materials, Nano Letters, and Laser & Photonics Reviews,etc.

The research group will focus on addressing the theoretical and technological bottlenecks in generating and manipulating light at the micro/nanoscale. By grasping cutting-edge physical concepts, such as topological photonics, and utilizing advanced materials such as phase-change materials, halide perovskite materials, and topological insulator materials, etc., in combination with advanced processing techniques, they aim to further develop practical micro/nanoscale electrooptical meta-devices. Specifically, their research objectives encompass two main areas: (1) Developing (ultrafast) tunable micro/nanodevices. (2) Designing high-performance and robust micro/nanoscale functional light sources. The successful achievement of these objectives will facilitate further development of optical displays, optical storage, energy harvesting, and optical communications.

1. J. Tian*^{, #}, Q. Y. Tan^#, Y. Wang, Y. Yang, G. Yuan, G. Adamo, C. Soci*, “Perovskite quantum dot one-dimensional topological laser”, Nature Communications, 2023, 14 (1), 1433.

2. Y. Wang^#, J. Tian^#, M. Klein, G. Adamo, S. T. Ha*, C. Soci*, “Directional emission from electrically injected exciton-polaritons in perovskite metasurfaces”, Nano Letters, 2023,23(10), 4431–4438.

3. J. Tian^#, G. Adamo^#, H. Liu, M. Klein, S. Han, H. Liu, C Soci*, “Optical Rashba effect in a light-emitting perovskite metasurface”, Advanced Materials, 2022, 34 (12), 2109157.

4. J. Tian^#, G. Adamo^#, H. Liu, M. Wu, M. Klein, J. Deng, N. S. S. Ang, R. Paniagua-Domínguez, H. Liu, A. I. Kuznetsov, C. Soci*, “Phase-change perovskite microlasers with tunable polarization vortex”, Advanced Materials, 2022, 35 (1), 2207430.

5. J. Tian, D. Cortecchia, Y. Wang, H. Liu, E. Feltri, H. Liu, G. Adamo, C. Soci*, “Phase-change perovskite metasurfaces for dynamic color tuning”, Nanophotonics, 2022, 11 (17), 3961-3968. (Invited paper)

6. M. Klein^#, Y. Wang^#, J. Tian, S. T. Ha, R. Paniagua-Domínguez, A. I. Kuznetsov, G. Adamo, C. Soci*, “Polarization-tunable perovskite light-emitting metatransistor”, Advanced Materials, 2022, 35 (1), 2207317.

7. G. Long^#, G. Adamo^#, J. Tian, M Klein, H. NS Krishnamoorthy, E. Feltri, H. Wang and C. Soci*, “Perovskite metasurfaces with large superstructural chirality”, Nature Communications, 2022, 13 (1), 1-8.

8. J. Tian, Q. Li*, P. Belov, R. Sinha, W. Qian and M. Qiu, "High-Q all-dielectric metasurfaces: super and suppressed optical absorption." ACS Photonics 2020, 7 (6), 1436-1443.

9. H. Luo, J. Tian, Q. Li*, B. Ma, Y. Zhu, J. Yu, Y. Hong, A. Ouyang, P. Belov, R. K. Sinha, S. Kaur and M. Qiu, "Flat photonics for broadband light-trapping." Applied Physics Letters, 2020, 117(24), 241105. (Editor’s Pick)

10. J. Tian^#, H. Luo^#, Y. Yang*, F. Ding, Y. Qu, D. Zhao, M. Qiu* and S. I. Bozhevolnyi*, "Active control of anapole states by structuring the phase-change alloy Ge₂Sb₂Te₅." Nature Communications, 2019, 10 (1), 396.

11. J. Tian^#, H. Luo^#, Q. Li*, X. Pei and M. Qiu, "Near-infrared super-absorbing all-dielectric metasurface based on single-layer germanium nanostructures." Laser & Photonics Reviews, 2018, 12 (9), 1800076. (Front cover)

12. J. Tian, Q. Li*, Y. Yang and M. Qiu, "Tailoring unidirectional angular radiation through multipolar interference in a single-element subwavelength all-dielectric stair-like nanoantenna." Nanoscale, 2016, 8, 4047.

13. J. Tian, Q. Li*, J. Lu and M. Qiu, "Reconfigurable all-dielectric antenna-based metasurface driven by multipolar resonances." Optics Express, 2018, 26 (18), 23918-23925.

14. J. Tian, F. Laurell, V. Pasiskevicius, M. Qiu and H. Jang*, "Demonstration of terahertz ferroelectric metasurface using a simple and scalable fabrication method." Optics Express, 2018, 26 (21), 27917-27930.

15. J. Tian, Y. Yang, M. Qiu, F. Laurell, V. Pasiskevicius and H. Jang*, "All-dielectric KTiOPO₄ metasurfaces based on multipolar resonances in the terahertz region." Optics Express, 2017, 25 (20), 24068-24080.