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Proceedings Paper

Pseudo-high-order-mode in vertical-cavity surface-emitting lasers (VCSELs)
Author(s): Haisong Wang; Junfeng Song; Hongfeng Cui; Chengdong Xu; Guotong Du
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Paper Abstract

We built a test system to pick up the pattern of light beam from the VCSELs and the EL spectrum simultaneously in order to study the mode behavior when the current applied on the device increased. As a result, we observed that the light spots from the VCSEL seemd to be high-order-mode while its EL spectrum included more than one peak wavelength. Comparing it with the high-order-mode case that we met and defined in VCSELs before, we considered that the mode we observed this time was different from the true high-order-mode in essence. We named it as pseudo-high-order-mode and gave the explanation.

Paper Details

Date Published: 29 August 2002
PDF: 4 pages
Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); doi: 10.1117/12.481015
Show Author Affiliations
Haisong Wang, Jilin Univ. (China)
Junfeng Song, Jilin Univ. (China)
Hongfeng Cui, Jilin Univ. (China)
Chengdong Xu, Jilin Univ. (China)
Guotong Du, Jilin Univ. (China)


Published in SPIE Proceedings Vol. 4905:
Materials and Devices for Optical and Wireless Communications
Constance J. Chang-Hasnain; YuXing Xia; Kenichi Iga, Editor(s)

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