Welcome
Our current research interests include:
- Micro- and nano-scale lasers
- Novel perovskite light sources
- Quantum phenomena in metal-halide perovskites
- Topology in Hyperbolic Metamaterials and non-Hermitian optical systems
- NanoLEDs for high speed optical communication
- Neuromorphic photonics
- Photonic integrated circuits
Selected publications:

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].
J. Hou, Z. Li, Q. Gu, and C. Zhang, “Topological and hyperbolic dielectric materials from chirality-induced charge-parity symmetry” Phys. Rev. A 104, 043510 (2021).
Book: Q. Gu and Y. Fainman, “Semiconductor Nanolasers”, Cambridge University Press (2017) (Official page, Google Books, Amazon).
Review on OSA Optics & Photonics News