Advanced Materials

Liquid-Crystalline Blue Phase Laser with Widely Tunable Wavelength (Adv. Mater. 21/2013)

Authors

  • Sung-Taek Hur,

    1. Department of Advance Materials Engineering for Information and Electronics/Regional, Innovation Center-Components and Materials for Information Display, Kyung Hee University, Yongin-shi, Gyeonggi-do 446-701, Korea
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  • Bo Ram Lee,

    1. School of Mechanical and Advanced Materials Engineering/Low, Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), Banyeon-ri 100, Ulsan 689-805, Korea
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  • Min-Jun Gim,

    1. Department of Advance Materials Engineering for Information and Electronics/Regional, Innovation Center-Components and Materials for Information Display, Kyung Hee University, Yongin-shi, Gyeonggi-do 446-701, Korea
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  • Kyung-Won Park,

    1. Department of Advance Materials Engineering for Information and Electronics/Regional, Innovation Center-Components and Materials for Information Display, Kyung Hee University, Yongin-shi, Gyeonggi-do 446-701, Korea
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  • Myoung Hoon Song,

    Corresponding author
    1. School of Mechanical and Advanced Materials Engineering/Low, Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), Banyeon-ri 100, Ulsan 689-805, Korea
    • School of Mechanical and Advanced Materials Engineering/Low, Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), Banyeon-ri 100, Ulsan 689-805, Korea.
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  • Suk-Won Choi

    Corresponding author
    1. Department of Advance Materials Engineering for Information and Electronics/Regional, Innovation Center-Components and Materials for Information Display, Kyung Hee University, Yongin-shi, Gyeonggi-do 446-701, Korea
    • Department of Advance Materials Engineering for Information and Electronics/Regional, Innovation Center-Components and Materials for Information Display, Kyung Hee University, Yongin-shi, Gyeonggi-do 446-701, Korea
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Abstract

A liquid-crystalline blue-phase laser with a tunable photonic bandgap (PBG) of over 150 nm and a wide temperature range is demonstrated by Myoung Hoon Song and Suk-Won Choi on p. 3002. A lasing peak shift of more than 100 nm is realized due to the large PBG shift of the liquid-crystalline blue phase. The shift in the lasing wavelength was reversible during repeated temperature changes over the entire stability range of the liquid-crystalline cubic blue phase.

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