Experimental Realization of Supergrowing Fields

Authors

Sethuraj K. R., University of Rochester
Tathagata Karmakar, University of Rochester
S. A. Wadood, University of Rochester
Andrew N. Jordan, Chapman UniversityFollow
A. Nick Vamivakas, University of Rochester

Document Type

Article

Publication Date

8-27-2024

Abstract

Supergrowth refers to the local amplitude growth rate of a signal being faster than its fastest Fourier mode. In contrast, superoscillation pertains to the variation of the phase. Compared to the latter, supergrowth can have exponentially higher intensities and promises improvement over superoscillation-based superresolution imaging. Here, we demonstrate the experimental synthesis of controlled supergrowing fields with a maximum growth rate of ∼19.07 times the system bandlimit. Our work is an essential step toward realizing supergrowth-based far-field superresolution imaging.

Comments

This article was originally published in Physical Review Research, volume 6, in 2024. https://doi.org/10.1103/PhysRevResearch.6.L032043

Recommended Citation

Sethuraj K. R., T. Karkamar, S. A. Wadood, A. N. Jordan, and A. N. Vamivakas, Experimental realization of supergrowing fields, Phys. Rev. Res. 6, L032043 (2024). https://doi.org/10.1103/PhysRevResearch.6.L032043

Peer Reviewed

1

Copyright

The authors

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 License.