CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Investigation of the mode splitting induced by electro-optic birefringence in a vertical-cavity surface-emitting laser by polarized electroluminescence |
Zhang Jie (章杰)a, Yu Jin-Ling (俞金玲)a, Cheng Shu-Ying (程树英)a, Lai Yun-Feng (赖云锋)a, Chen Yong-Hai (陈涌海)b |
a College of Physics and Information Engineering, and Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350108, China; b Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China |
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Abstract The mode splitting induced by electro-optic birefringence in a P–I–N InGaAs/GaAs/AlGaAs vertical-cavity surface-emitting laser (VCSEL) has been studied by polarized electroluminescence (EL) at room temperature. The polarized EL spectra with E‖[110] and E‖[110] directions, are extracted for different injected currents. The mode splitting of the two orthogonal polarized modes for a VCSEL device is determined, and its value increases linearly with the increasing injected current due to electro-optic birefringence. This article demonstrates that the polarized EL is a powerful tool to study the mode splitting and polarization anisotropy of a VCSEL device.
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Received: 03 May 2013
Revised: 17 July 2013
Accepted manuscript online:
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PACS:
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73.21.Fg
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(Quantum wells)
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78.40.Fy
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(Semiconductors)
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78.67.De
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(Quantum wells)
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Fund: Project supported the National Key Basic Research and Development Program of China (Grant Nos. 2012CB921304 and 2013CB632805), the National Natural Science Foundation of China (Grant Nos. 60990313, 61306120, and 6106003), and the Foundation of Fuzhou University (Grant No. 022498). |
Corresponding Authors:
Yu Jin-Ling, Chen Yong-Hai
E-mail: JLYU@semi.ac.cn;yhchen@semi.ac.cn
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About author: 73.21.Fg; 78.40.Fy; 78.67.De |
Cite this article:
Zhang Jie (章杰), Yu Jin-Ling (俞金玲), Cheng Shu-Ying (程树英), Lai Yun-Feng (赖云锋), Chen Yong-Hai (陈涌海) Investigation of the mode splitting induced by electro-optic birefringence in a vertical-cavity surface-emitting laser by polarized electroluminescence 2014 Chin. Phys. B 23 027304
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