Ultra-sensitive nanometric flat laser prints for binocular stereoscopic image

Dejiao Hu, Hao Li, Yupeng Zhu, Yuqiu Lei, Jing Han, Shilin Xian, Jiajin Zheng, Bai-Ou Guan, Yaoyu Cao (), Lei Bi () and Xiangping Li ()
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Dejiao Hu: Jinan University
Hao Li: Jinan University
Yupeng Zhu: University of Electronic Science and Technology of China
Yuqiu Lei: Jinan University
Jing Han: Jinan University
Shilin Xian: University of Electronic Science and Technology of China
Jiajin Zheng: Nanjing University of Posts & Telecommunications
Bai-Ou Guan: Jinan University
Yaoyu Cao: Jinan University
Lei Bi: University of Electronic Science and Technology of China
Xiangping Li: Jinan University

Nature Communications, 2021, vol. 12, issue 1, 1-6

Abstract: Abstract Two-dimensional (2D) transition metal dichalcogenides (TMDs) with tantalizing layer-dependent electronic and optical properties have emerged as a paradigm for integrated flat opto-electronic devices, but their widespread applications are hampered by challenges in deterministic fabrication with demanded shapes and thicknesses, as well as light field manipulation in such atomic-thick layers with negligible thicknesses compared to the wavelength. Here we demonstrate ultra-sensitive light field manipulation in full visible ranges based on MoS2 laser prints exfoliated with nanometric precisions. The nontrivial interfacial phase shifts stemming from the unique dispersion of MoS2 layers integrated on the metallic substrate empower an ultra-sensitive resonance manipulation up to 13.95 nm per MoS2 layer across the entire visible bands, which is up to one-order-of-magnitude larger than their counterparts. The interlayer van der Waals interactions and the anisotropic thermal conductivity of layered MoS2 films endow a laser exfoliation method for on-demand patterning MoS2 with atomic thickness precision and subwavelength feature sizes. With this, nanometric flat color prints and further amplitude-modulated diffractive components for binocular stereoscopic images can be realized in a facile and lithography-free fashion. Our results with demonstrated practicality unlock the potentials of, and pave the way for, widespread applications of emerging 2D flat optics.

Date: 2021
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DOI: 10.1038/s41467-021-21499-4

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