Topological optical differentiator

Tengfeng Zhu; Cheng Guo; Junyi Huang; Haiwen Wang; Meir Orenstein; Zhichao Ruan; Shanhui Fan

doi:10.1038/s41467-021-20972-4

Nature Communications (Jan 2021)

Topological optical differentiator

Tengfeng Zhu,
Cheng Guo,
Junyi Huang,
Haiwen Wang,
Meir Orenstein,
Zhichao Ruan,
Shanhui Fan

Affiliations

Tengfeng Zhu: Department of Electrical Engineering, Ginzton Laboratory, Stanford University
Cheng Guo: Department of Electrical Engineering, Ginzton Laboratory, Stanford University
Junyi Huang: Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University
Haiwen Wang: Department of Electrical Engineering, Ginzton Laboratory, Stanford University
Meir Orenstein: Department of Electrical Engineering, Technion-Israel Institute of Technology
Zhichao Ruan: Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University
Shanhui Fan: Department of Electrical Engineering, Ginzton Laboratory, Stanford University

DOI: https://doi.org/10.1038/s41467-021-20972-4
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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Spatial differentiation is a form of optical computation which has applications in image processing. Here, the authors exploit nontrivial topological charges in the transfer function to realise broadband isotropic two-dimensional differentiation.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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