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Xu FF, Gong ZL, Zhong YW, et al. Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption. Research (Wash D C). 2020;2020:6539431doi: 10.34133/2020/6539431.
Xu, F. F., Gong, Z. L., Zhong, Y. W., Yao, J., & Zhao, Y. S. (2020). Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption. Research (Washington, D.C.), 20206539431. https://doi.org/10.34133/2020/6539431
Xu, Fa-Feng, et al. "Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption." Research (Washington, D.C.) vol. 2020 (2020): 6539431. doi: https://doi.org/10.34133/2020/6539431
Xu FF, Gong ZL, Zhong YW, Yao J, Zhao YS. Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption. Research (Wash D C). 2020 Dec 02;2020:6539431. doi: 10.34133/2020/6539431. eCollection 2020. PMID: 33623907; PMCID: PMC7877376.
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Research (Wash D C). 2020 Dec 02;2020:6539431. doi: 10.34133/2020/6539431. eCollection 2020.

Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption.

Research (Washington, D.C.)

Fa-Feng Xu, Zhong-Liang Gong, Yu-Wu Zhong, Jiannian Yao, Yong Sheng Zhao

Affiliations

  1. Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
  2. University of Chinese Academy of Sciences, Beijing 100049, China.

PMID: 33623907 PMCID: PMC7877376 DOI: 10.34133/2020/6539431

Abstract

Information encryption and decryption have attracted particular attention; however, the applications are frequently restricted by limited coding capacity due to the indistinguishable broad photoluminescence band of conventional stimuli-responsive fluorescent materials. Here, we present a concept of confidential information encryption with photoresponsive liquid crystal (LC) lasing materials, which were used to fabricate ordered microlaser arrays through a microtemplate-assisted inkjet printing method. LC microlasers exhibit narrow-bandwidth single-mode emissions, and the wavelength of LC microlasers was reversibly modulated based on the optical isomerization of the chiral dopant in LCs. On this basis, we demonstrate phototunable information authentication on LC microlaser arrays using the wavelength of LC microlasers as primary codes. These results provide enlightenment for the implementation of microlaser-based cryptographic primitives for information encryption and anticounterfeiting applications.

Copyright © 2020 Fa-Feng Xu et al.

Conflict of interest statement

The authors declare that there is no conflict of interest regarding the publication of this article.

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