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2 results on '"Du, Guotong"'

1. High-Power Integrated Superluminescent Light Sources

Author

Du, Guotong, Xu, Chengdong, Liu, Yang, Zhao, Yongsheng, and Wang, Haisong

Subjects
Image intensifiers -- Research, Light amplifiers, Quantum electronics -- Research, Semiconductor lasers -- Research, Business, Computers, Electronics, Electronics and electrical industries
Abstract

Two new kinds of integrated superluminescent diodes (SLD) are described and discussed.

Published
2003

2. Spontaneous emission factor for semiconductor superluminescent diodes

Author

Zhao, Yongsheng, Han, Weihua, Song, Junfeng, Li, Xuemei, Liu, Yang, Gao, Dingsan, Du, Guotong, Cao, Hui, and Chang, R.P.H.

Subjects
Diodes -- Research, Physics
Abstract

A study was conducted to analyze the spontaneous emission factor beta for superluminescent diodes and a novel way of computing the average value of beta. The output light versus to the spectral width above the lasing threshold in a luminescent diode was determined using a relation indicating that a higher output power leads to a larger homogeneous spontaneous emission linewidth. Results indicated that the spontaneous emission factor beta of such diodes support different physical meaning from that of semiconductor lasers.

Published
1999

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