A broadban-tunable photonic bandgap and thermally convertible laser with an ultra-low lasing threshold from a refilled chiral polymer template

Jia De Lin, Hsin Yu Lin, Guan Jhong Wei, Yu Chou Chuang, Lin Jer Chen, Ting Shan Mo, Chia-Rong Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study demonstrates a broadband-tunable photonic bandgap (PBG) and thermally convertible laser with an ultra-low lasing threshold based on a gradient-pitched cholesteric liquid crystal (CLC) polymer template. The lowest energy threshold of the laser is 16 nJ per pulse under a pumped diameter of ca. 250 μm (i.e., 0.33 μJ per pulse per mm 2 ), a value that is superior to those of other band-edge lasers based on most dye/quantum-dot-doped CLC systems. Owing to its multiple advantages, such as high stability, ultra-low lasing threshold, wide-band and linear spatial PBG-tunability, and lasing-mode convertibility, the CLC template device can be potentially used for photonics and display applications.

Original languageEnglish
Pages (from-to)4740-4747
Number of pages8
JournalJournal of Materials Chemistry C
Volume7
Issue number16
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Cholesteric liquid crystals
Photonics
Polymers
Energy gap
Lasers
Liquid crystal polymers
Semiconductor quantum dots
Laser pulses
Coloring Agents
Dyes
Display devices

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Lin, Jia De ; Lin, Hsin Yu ; Wei, Guan Jhong ; Chuang, Yu Chou ; Chen, Lin Jer ; Mo, Ting Shan ; Lee, Chia-Rong. / A broadban-tunable photonic bandgap and thermally convertible laser with an ultra-low lasing threshold from a refilled chiral polymer template. In: Journal of Materials Chemistry C. 2019 ; Vol. 7, No. 16. pp. 4740-4747.
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abstract = "This study demonstrates a broadband-tunable photonic bandgap (PBG) and thermally convertible laser with an ultra-low lasing threshold based on a gradient-pitched cholesteric liquid crystal (CLC) polymer template. The lowest energy threshold of the laser is 16 nJ per pulse under a pumped diameter of ca. 250 μm (i.e., 0.33 μJ per pulse per mm 2 ), a value that is superior to those of other band-edge lasers based on most dye/quantum-dot-doped CLC systems. Owing to its multiple advantages, such as high stability, ultra-low lasing threshold, wide-band and linear spatial PBG-tunability, and lasing-mode convertibility, the CLC template device can be potentially used for photonics and display applications.",
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A broadban-tunable photonic bandgap and thermally convertible laser with an ultra-low lasing threshold from a refilled chiral polymer template. / Lin, Jia De; Lin, Hsin Yu; Wei, Guan Jhong; Chuang, Yu Chou; Chen, Lin Jer; Mo, Ting Shan; Lee, Chia-Rong.

In: Journal of Materials Chemistry C, Vol. 7, No. 16, 01.01.2019, p. 4740-4747.

Research output: Contribution to journalArticle

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AU - Lin, Jia De

AU - Lin, Hsin Yu

AU - Wei, Guan Jhong

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AU - Mo, Ting Shan

AU - Lee, Chia-Rong

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