Optimizing the top profile of a nanowire for maximum forward emission

doi:10.1088/1674-1056/20/11/116102

中国物理B ›› 2011, Vol. 20 ›› Issue (11): 116102-116102.doi: 10.1088/1674-1056/20/11/116102

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Optimizing the top profile of a nanowire for maximum forward emission

王东林, 俞重远, 刘玉敏, 郭晓涛, 曹贵, 冯昊

Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2011-05-05 修回日期:2011-06-03 出版日期:2011-11-15 发布日期:2011-11-15
基金资助:
Project supported by the National High Technology Research and Development Program of China (Grant No. 2009AA03Z405), the National Natural Science Foundation of China (Grant Nos. 60971068, 60908028, and 10979065), the Fundamental Research Funds for the Central Universities of China (Grant No. BUPT2009RC0411), Program for New Century Excellent Talents in University of China (Grant No. NTCE-10-0261), and the Chinese Universities Scientific Fund (Grant No. 2011RC0402).

Optimizing the top profile of a nanowire for maximum forward emission

Wang Dong-Lin(王东林), Yu Zhong-Yuan(俞重远)^†, Liu Yu-Min(刘玉敏), Guo Xiao-Tao(郭晓涛), Cao Gui(曹贵), and Feng Hao(冯昊)

Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2011-05-05 Revised:2011-06-03 Online:2011-11-15 Published:2011-11-15
Supported by:
Project supported by the National High Technology Research and Development Program of China (Grant No. 2009AA03Z405), the National Natural Science Foundation of China (Grant Nos. 60971068, 60908028, and 10979065), the Fundamental Research Funds for the Central Universities of China (Grant No. BUPT2009RC0411), Program for New Century Excellent Talents in University of China (Grant No. NTCE-10-0261), and the Chinese Universities Scientific Fund (Grant No. 2011RC0402).

摘要/Abstract

摘要： The optimal top structure of a nanowire quantum emitter single photon source is significant in improving performance. Based on the axial symmetry of a cylindrical nanowire, this paper optimizes the top profile of a nanowire for the maximum forward emission by combining the geometry projection method and the finite element method. The results indicate that the nanowire with a cambered top has the stronger emission in the forward direction, which is helpful to improve the photon collection efficiency.

Abstract: The optimal top structure of a nanowire quantum emitter single photon source is significant in improving performance. Based on the axial symmetry of a cylindrical nanowire, this paper optimizes the top profile of a nanowire for the maximum forward emission by combining the geometry projection method and the finite element method. The results indicate that the nanowire with a cambered top has the stronger emission in the forward direction, which is helpful to improve the photon collection efficiency.

Key words: nanowire, photon collection

中图分类号: (Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires))

61.46.Km

78.67.Uh (Nanowires)

王东林, 俞重远, 刘玉敏, 郭晓涛, 曹贵, 冯昊. Optimizing the top profile of a nanowire for maximum forward emission[J]. 中国物理B, 2011, 20(11): 116102-116102.

Wang Dong-Lin(王东林), Yu Zhong-Yuan(俞重远), Liu Yu-Min(刘玉敏), Guo Xiao-Tao(郭晓涛), Cao Gui(曹贵), and Feng Hao(冯昊) . Optimizing the top profile of a nanowire for maximum forward emission[J]. Chin. Phys. B, 2011, 20(11): 116102-116102.

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Optimizing the top profile of a nanowire for maximum forward emission

Optimizing the top profile of a nanowire for maximum forward emission

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