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Laser cooling of a semiconductor by 40 kelvin

Author

Listed:
  • Jun Zhang

    (School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore)

  • Dehui Li

    (School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore)

  • Renjie Chen

    (School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore)

  • Qihua Xiong

    (School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
    School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore)

Abstract

Net laser cooling from 290 kelvin to about 250 kelvin is achieved in semiconductor cadmium sulphide ‘nanobelts’ and attributed to strong coupling between excitons and longitudinal optical phonons.

Suggested Citation

  • Jun Zhang & Dehui Li & Renjie Chen & Qihua Xiong, 2013. "Laser cooling of a semiconductor by 40 kelvin," Nature, Nature, vol. 493(7433), pages 504-508, January.
    • Handle: RePEc:nat:nature:v:493:y:2013:i:7433:d:10.1038_nature11721
    DOI: 10.1038/nature11721
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    Cited by:

    1. Zikang Ye & Xing Lin & Na Wang & Jianhai Zhou & Meiyi Zhu & Haiyan Qin & Xiaogang Peng, 2021. "Phonon-assisted up-conversion photoluminescence of quantum dots," Nature Communications, Nature, vol. 12(1), pages 1-9, December.

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