About the Study

Journal: Light: Science & Applications

Title: Multifunctional Resonant Wavefront-Shaping Meta-Optics Based on Multilayer and Multi-Perturbation Nonlocal Metasurfaces

Authors: Stephanie C. Malek1, Adam C. Overvig1,2, Andrea Alu2,3, Nanfang Yu1*

1. Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY 10027, USA.
2. Photonics Initiative, Advanced Science Research Center, City University of New York, New York, NY 10031
3. Physics Program, Graduate Center, City University of New York, New York, NY 10016

FUNDING: The study was supported by the National Science Foundation (grant no. QII-TAQS-1936359 and no. ECCS-2004685) and the Air Force Office of Scientific Research (grant no. FA9550-14-1-0389 and no. FA9550-16-1-0322). S.C.M. acknowledges support from the NSF Graduate Research Fellowship Program (grant no. DGE-1644869). A.C.O. acknowledges support from the NSF IGERT program (grant no. DGE-1069240).

COI: The authors declare no financial or other conflicts of interest. The authors have filed a provisional patent on the device technology reported in this paper and a couple earlier theoretical papers.

About the Study

Journal: Nature Nanophotonics

Title: Widely tunable and narrow-linewidth chip-scale lasers from near-ultraviolet to near-infrared wavelengths

Authors: Mateus Corato-Zanarella, Andres Gil-Molina, Xingchen Ji, Min Chul Shin, Aseema Mohanty, Michal Lipson (all from the Department of Electrical Engineering, Columbia Engineering; Ji now at John Hopcroft Center for Computer Science, Shanghai Jiao Tong University; Shin a research scientist at Reality Labs, Meta;  Mohanty at Department of Electrical and Computer Engineering, Tufts University)

Funding: This work was supported as part of the Novel Chip-Based Nonlinear Photonic Sources from the Visible to Mid-Infrared funded by the Army Research Office (ARO) under award no. W911NF2110286. The photonic chips fabrication was done in part at the City University of New York Advanced Science Research Center NanoFabrication Facility, in part at the Columbia Nano Initiative (CNI) Shared Lab Facilities at Columbia University, and in part at the Cornell NanoScale Facility, a member of the National Nanotechnology Coordinated Infrastructure (NNCI), which is supported by the National Science Foundation (Grant NNCI-2025233). M.C.S. is supported by the Facebook Fellowship Award.

COI: M.C.Z., A.G.M, X.J., M.C.S., A.M., and M.L. are named inventors on US provisional patent application 63/275,141 regarding the technology reported in this article.

Header image: Illustration of the integrated laser platform created by the Lipson Nanophotonics Group, where a single chip generates narrow linewidth and tunable visible light covering all colors. Credit: Myles Marshall/Columbia Engineering

ABOUT THE STUDY

CONFERENCE: International Conference on Learning Representations (ICLR) in Vienna, Austria, May 7-11, 2024. 

TITLE: “Raidar (geneRative AI Detection viA Rewriting)”

AUTHORS: Chengzhi Mao, Carl Vondrick, and Junfeng Yang from Columbia Engineering; Hao Wang from Rutgers University.

FUNDING: This work is in part funded by a grant from the School of Engineering and Applied Science - Knight First Amendment Institute (SEAS-KFAI) Generative AI and Public Discourse Research Program.

ABOUT THE STUDY

JOURNAL: Nature Nanotechnology

TITLE: "Leaky-wave metasurfaces for integrated photonics"

AUTHORS: Heqing Huang (1,†), Adam C. Overvig (1,2,†), Yuan Xu (1), Stephanie C. Malek (1), Cheng-Chia Tsai (1), Andrea Alu (2,3,*), and Nanfang Yu (1,*)

1. Department of Applied Physics and Applied Mathematics, Columbia University
2. Photonics Initiative, Advanced Science Research Center, City University of New York
3. Physics Program, Graduate Center, City University of New York
4. †Authors contributed equally
5. *Corresponding authors

FUNDING: The study was supported by the National Science Foundation (grant no. QII-TAQS-1936359 (H.H., Y.X., and N.Y.) and no. ECCS-2004685 (S.C.M., C.-C.T., and N.Y.)), the Air Force Office of Scientific Research (no. FA9550-16-1-0322 (N.Y.)), and the Simons Foundation (A.C.O. and A.A). S.C.M. acknowledges support from the NSF Graduate Research Fellowship Program (grant no. DGE-1644869).

A.C.O., S.C.M., and N.Y. are listed as inventors in a US non-provisional patent application no. 17/110,846; in addition, H.H., Y.X., A.C.O., A.A., and N.Y. are listed as inventors in a US provisional application no. 63/342,475. Both were filed by Columbia University and are related to the technology reported in this article. The remaining authors declare no competing interests.