Our current research interests include:

  • Micro- and nano-scale lasers
  • Novel perovskite light sources
  • Spintronic THz sources
  • Quantum photonics
  • Quantum phenomena in metal-halide perovskites
  • Topology in Hyperbolic and non-Hermitian Metamaterials
  • Photonic Neuromorphic Computing

Selected publications:

X. Li, A. Ghaffari, F. Abbas, and Q. Gu “Plasmon near-field coupling and universal scaling behavior in shifted-core coaxial nano-cavity pair,” Optics Express, 32, 8, 14770–14779 (2024)

Z. Li and Q. Gu “Topological hyperbolic metamaterials,” Nanophotonics 0, 1–15 (2024)

Z. Li, X.W. Luo, D. Lin, A. Gharajeh, J. Moon, J. Hou, C. Zhang, Q. Gu “Topological Microlaser with A non-Hermitian Topological Bulk,” Phys. Rev. Lett. 131, 023202 (2023)

J. Moon, Y. Mehta, K. Gundogdu, F. So, Q. Gu “Metal‐halide Perovskite Lasers: Cavity Formation and Emission Characteristics.” Advanced Materials, 2211284 (2023)

D. Lin, J. Liu, R. Haroldson, J. Moon, Z. Li, W. Hu, A. A. Zakhidov, and Q. Gu, “High-Performance Directly Patterned Nanograting Perovskite Photodetector with Interdigitated Electrodes,” Adv. Optical Mater. 2201516 (2022).

Book: Q. Gu and Y. Fainman, “Semiconductor Nanolasers”, Cambridge University Press (2017) (Official pageGoogle BooksAmazon).
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