Reconfiguration of three-dimensional liquid-crystalline photonic crystals by electrostriction

Duan Yi Guo, Chun Wei Chen, Cheng Chang Li, Hung Chang Jau, Keng Hsien Lin, Ting Mao Feng, Chun Ta Wang, Timothy J. Bunning, Iam Choon Khoo, Tsung Hsien Lin

Research output: Contribution to journalArticle

Abstract

Natural self-assembled three-dimensional photonic crystals such as blue-phase liquid crystals typically assume cubic lattice structures. Nonetheless, blue-phase liquid crystals with distinct crystal symmetries and thus band structures will be advantageous for optical applications. Here we use repetitive electrical pulses to reconfigure blue-phase liquid crystals into stable orthorhombic and tetragonal lattices. This approach, termed repetitively applied field, allows the system to relax between each pulse, gradually transforming the initial cubic lattice into various intermediate metastable states until a stable non-cubic crystal is achieved. We show that this technique is suitable for engineering non-cubic lattices with tailored photonic bandgaps, associated dispersion and band structure across the entire visible spectrum in blue-phase liquid crystals with distinct composition and initial crystal orientation. These field-free blue-phase liquid crystals exhibit large electro-optic responses and can be polymer-stabilized to have a wide operating temperature range and submillisecond response speed, which are promising properties for information display, electro-optics, nonlinear optics, microlasers and biosensing applications.

Original languageEnglish (US)
JournalNature Materials
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Electrostriction
Liquid Crystals
electrostriction
Photonic crystals
Liquid crystals
liquid crystals
photonics
Crystalline materials
Liquids
liquids
crystals
cubic lattices
Electrooptical effects
Crystal lattices
Band structure
electro-optics
Nonlinear optics
Crystal symmetry
nonlinear optics
pulses

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Guo, D. Y., Chen, C. W., Li, C. C., Jau, H. C., Lin, K. H., Feng, T. M., ... Lin, T. H. (Accepted/In press). Reconfiguration of three-dimensional liquid-crystalline photonic crystals by electrostriction. Nature Materials. https://doi.org/10.1038/s41563-019-0512-3
Guo, Duan Yi ; Chen, Chun Wei ; Li, Cheng Chang ; Jau, Hung Chang ; Lin, Keng Hsien ; Feng, Ting Mao ; Wang, Chun Ta ; Bunning, Timothy J. ; Khoo, Iam Choon ; Lin, Tsung Hsien. / Reconfiguration of three-dimensional liquid-crystalline photonic crystals by electrostriction. In: Nature Materials. 2019.
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Reconfiguration of three-dimensional liquid-crystalline photonic crystals by electrostriction. / Guo, Duan Yi; Chen, Chun Wei; Li, Cheng Chang; Jau, Hung Chang; Lin, Keng Hsien; Feng, Ting Mao; Wang, Chun Ta; Bunning, Timothy J.; Khoo, Iam Choon; Lin, Tsung Hsien.

In: Nature Materials, 01.01.2019.

Research output: Contribution to journalArticle

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