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Lasing behaviour from the condensation of polaronic excitons in a ZnO nanowire
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 分类：TN383[电子电信—物理电子学] TN24[电子电信—物理电子学]
  • 作者机构：[1]Nanophotonics Laboratory, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 90606001, 20873039, and 51002011） and the Excellent Young Scholars Research Fund of Beijing Institute of Technology.
作者： 刘瑞斌[1], 邹炳锁[1]
关键词： 极化子激子, 飞秒激光脉冲, 氧化锌纳米线, 玻色爱因斯坦凝聚, ZnO, 行为, 凝结, 半导体微结构, Bose-Einstein condensation, exciton, biphonon, ZnO nanowire
中文摘要：

Atoms under optical and magnetic trapping in a limited space at a very low temperature can lead to Bose-Einstein condensation (BEC),even in a one-dimensional (1D) optical lattice. However,can the confinment of dense excitons in a 1D semiconductor microstructure easily reach the excitonic BEC A lightly Mn(Ⅱ)-doped ZnO nanowire under a femtosecond laser pulse pump at room temperature produces single-mode lasing from coherent bipolaronic excitons,which is much like a macroscopic quantum state due to the condensation of the bipoaronic excitons if not real BEC. In this process,longitudinal biphonon binding with the exciton plays an important role. We revisit this system and propose possibility of bipolaronic exciton condensation. More studies are needed for this condensation phenomenon in 1D microcavity systems.

英文摘要：

Atoms under optical and magnetic trapping in a limited space at a very low temperature can lead to Bose-Einstein condensation （BEC）, even in a one-dimensional （1D） optical lattice. However, can the confinment of dense excitons in a 1D semiconductor microstructure easily reach the excitonic BEC？ A lightly Mn（II）-doped ZnO nanowire under a femtosecond laser pulse pump at room temperature produces single-mode lasing from coherent bipolaronic excitons, which is much like a macroscopic quantum state due to the condensation of the bipoaronic excitons if not real BEC. In this process, longitudinal biphonon binding with the exciton plays an important role. We revisit this system and propose possibility of bipolaronic exciton condensation. More studies are needed for this condensation phenomenon in 1D microcavity systems.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406