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

doi:10.1039/c9tc00194h

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

Department of Photonics

Research output: Contribution to journal › Article › peer-review

10 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 mm²), 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 language	English
Pages (from-to)	4740-4747
Number of pages	8
Journal	Journal of Materials Chemistry C
Volume	7
Issue number	16
DOIs	https://doi.org/10.1039/c9tc00194h
Publication status	Published - 2019

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Chemistry

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10.1039/c9tc00194h

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@article{d80fc7de75b642de8cdc574ffb5df21d,

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

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 mm2), 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.",

author = "Lin, {Jia De} and Lin, {Hsin Yu} and Wei, {Guan Jhong} and Chuang, {Yu Chou} and Chen, {Lin Jer} and Mo, {Ting Shan} and Lee, {Chia Rong}",

note = "Funding Information: The authors would like to thank the Ministry of Science and Technology (MOST) of Taiwan (contract numbers: MOST 106-2628-E-006-007-MY3 and MOST 106-2112-M-006-003-MY3) for financially supporting this research.",

year = "2019",

doi = "10.1039/c9tc00194h",

language = "English",

volume = "7",

pages = "4740--4747",

journal = "Journal of Materials Chemistry C",

issn = "2050-7526",

publisher = "Royal Society of Chemistry",

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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, 2019, p. 4740-4747.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - A broadban-tunable photonic bandgap and thermally convertible laser with an ultra-low lasing threshold from a refilled chiral polymer template

AU - Lin, Jia De

AU - Lin, Hsin Yu

AU - Wei, Guan Jhong

AU - Chuang, Yu Chou

AU - Chen, Lin Jer

AU - Mo, Ting Shan

AU - Lee, Chia Rong

N1 - Funding Information: The authors would like to thank the Ministry of Science and Technology (MOST) of Taiwan (contract numbers: MOST 106-2628-E-006-007-MY3 and MOST 106-2112-M-006-003-MY3) for financially supporting this research.

PY - 2019

Y1 - 2019

N2 - 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 mm2), 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.

AB - 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 mm2), 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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