Our current research interests include:

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

Selected publications:

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

Z. Li, X.W. Luo, Q. Gu “Topological on-chip lasers,” APL Photonics, 8, 070901 (2023)

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).

J. Moon, M. Alahbakhshi, A. Gharajeh, Q. Li, Z. Li, R. Haroldson, S. Kwon, R. Hawkins, M. J. Kim, W. Hu, X. Zhang, A. A. Zakhidov, and Q. Gu, “Quasi-CW Lasing from Directly Patterned and Encapsulated Perovskite Cavity at 260 K,” ACS Photonics, 9, 6, 1984 (2022). [Cover Image].

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