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:

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)

E. Karooby, J. Li, A. Agrawal, Q. Gu, “High-efficiency 2D grating design for the magneto-optical trap: enhancing intensity balance and reducing optical complexity,” Opt. Eng. 64(8), 085106 (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