Advanced Materials

Wavelength Tunable CdSe Nanowire Lasers Based on the Absorption-Emission-Absorption Process (Adv. Mater. 6/2013)

Authors

  • Jiabei Li,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
    Current affiliation:
    1. These authors contributed equally in this work.
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  • Chao Meng,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
    Current affiliation:
    1. These authors contributed equally in this work.
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  • Ying Liu,

    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States
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  • Xiaoqin Wu,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
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  • Yize Lu,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
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  • Yu Ye,

    1. State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, P.R. China
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  • Lun Dai,

    1. State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, P.R. China
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  • Limin Tong,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
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  • Xu Liu,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
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  • Qing Yang

    Corresponding author
    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
    • State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P.R. China.
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Abstract

A wide-wavelength tunable laser is demonstrated on a single non-doped CdSe nanowire (NW) by gradually cutting the NW shorter, without changing other experimental conditions such as pumping intensity and position. The corresponding mechanism for the large wavelength shifts is determined as the absorption–emission–absorption process in polar CdSe NWs. This new efficient method has prospective applications ranging from optical telecommunications to environmental monitoring. Further details can be found in the article by Qing Yang and co-workers on page 833.

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