Welcome

Our current research interests include:

• Micro- and nano-scale lasers
• Novel light sources
• Topology in Hyperbolic and non-Hermitian Metamaterials
• Photonic Neuromorphic Computing
• Quantum photonics
• Chip-scale neutral atom cooling and trapping

Selected publications:

K. Peng, J. Moon, Y. Meng, K. Goudarzi, W. Li, Q. Gu*, and W. Bao*, “Robust single-mode laser via merging bound state in the continuum,” Light Sci Appl 15, 255 (2026)

M. Sadath, B. Guo, J. Li, D. Lin, E. Scalf, J. Davis, J. Muth, A. Amassian, Q. Gu, “High-performance Perovskite Photodetector through Plasmonic Enhancement of Carrier Dynamics” ACS Nano 19, 48, 41147 (2025)

D. Lin, A. Ghaffari, and Q. Gu, “Chiral Metasurface with Multidimensional Tunability for Optical Chiral States,” Adv. Optical Mater. 13, 36, e01859 (2025)

S. Behroozinia and Q.Gu “Leveraging multiplexed metasurfaces for multi-task learning with all-optical diffractive processors“, Nanophotonics, 13, 24, 4505-4517 (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)

Book: Q. Gu and Y. Fainman, “Semiconductor Nanolasers”, Cambridge University Press (2017) (Official page, Google Books, Amazon).
Review on OSA Optics & Photonics News