Ferroelectric crystals with giant electro-optic property enabling ultracompact Q-switches

Relaxor-lead titanate (PbTiO3) crystals, which exhibit extremely high piezoelectricity, are believed to possess high electro-optic (EO) coefficients. However, the optical transparency of relaxor-PbTiO3 crystals is severely reduced as a result of light scattering and reflection by domain walls, limiting electro-optic applications. Through synergistic design of a ferroelectric phase, crystal orientation, and poling technique, we successfully removed all light-scattering domain walls and achieved an extremely high transmittance of 99.6% in antireflection film-coated crystals, with an ultrahigh EO coefficient r(33) of 900 picometers per volt (pm V-1), >30 times as high as that of conventionally used EO crystals. Using these crystals, we fabricated ultracompact EO Q-switches that require very low driving voltages, with superior performance to that of commercial Q-switches. Development of these materials is important for the portability and low driving voltage of EO devices.

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Work Title Ferroelectric crystals with giant electro-optic property enabling ultracompact Q-switches
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Open Access
Creators
  1. Xin Liu
  2. Peng Tan
  3. Xue Ma
  4. Danyang Wang
  5. Xinyu Jin
  6. Yao Liu
  7. Bin Xu
  8. Liao Qiao
  9. Chaorui Qiu
  10. Bo Wang
  11. Weigang Zhao
  12. Chaojie Wei
  13. Kexin Song
  14. Haisheng Guo
  15. Xudong Li
  16. Sean Li
  17. Xiaoyong Wei
  18. Long-Qing Chen
  19. Zhuo Xu
  20. Fei Li
  21. Hao Tian
  22. Shujun Zhang
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Science
Publication Date April 22, 2022
Publisher Identifier (DOI)
  1. https://doi.org/10.1126/science.abn7711
Deposited August 11, 2022

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    Acknowledgments
    • Author list: Xin Liu, Peng Tan, Xue Ma, Danyang Wang, Xinyu Jin, Yao Liu, Bin Xu, Liao Qiao, Chaorui Qiu, Bo Wang, Weigang Zhao, Chaojie Wei, Kexin Song, Haisheng Guo, Xudong Li, Sean Li, Xiaoyong Wei, Long-Qing Chen, Zhuo Xu, Fei Li, Hao Tian, Shujun Zhang
  • Updated Publisher, Publisher Identifier (DOI) Show Changes
    Publisher
    • Science
    Publisher Identifier (DOI)
    • https://doi.org/10.1126/science.abn7711
  • Updated Acknowledgments Show Changes
    Acknowledgments
    • Author list: Xin Liu, Peng Tan, Xue Ma, Danyang Wang, Xinyu Jin, Yao Liu, Bin Xu, Liao Qiao, Chaorui Qiu, Bo Wang, Weigang Zhao, Chaojie Wei, Kexin Song, Haisheng Guo, Xudong Li, Sean Li, Xiaoyong Wei, Long-Qing Chen, Zhuo Xu, Fei Li, Hao Tian, Shujun Zhang
  • Deleted Creator Sandra Elder
  • Added Creator Xin Liu
  • Added Creator Peng Tan
  • Added Creator Xue Ma
  • Added Creator Danyang Wang
  • Added Creator Xinyu Jin
  • Added Creator Yao Liu
  • Added Creator Bin Xu
  • Added Creator Liao Qiao
  • Added Creator Chaorui Qiu
  • Added Creator Bo Wang
  • Added Creator Weigang Zhao
  • Added Creator Chaojie Wei
  • Added Creator Kexin Song
  • Added Creator Haisheng Guo
  • Added Creator Xudong Li
  • Added Creator Sean Li
  • Added Creator Xiaoyong Wei
  • Added Creator Long-Qing Chen
  • Added Creator Zhuo Xu
  • Added Creator Fei Li
  • Added Creator Hao Tian
  • Added Creator Shujun Zhang
  • Updated