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Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays
Zhang, Hongyou1,2; Jia, Yangtao3; Zah, Chung-En3; Liu, Xingsheng1,2,3
Department瞬态光学技术国家重点实验室
2018-07-10
Source PublicationApplied Optics
ISSN1559128X
Volume57Issue:20Pages:5599-5603
Contribution Rank1
AbstractSpectral-width broadening has many factors. Diode lasers are not always monochromatic due to several broadening mechanisms, widening the energy distribution of emitted photons. In this paper, we report the two main factors affecting time average spectral-width broadening of a laser diode array (LDA)—a transient rise of the active region temperature of an LDA due to injection current, and the temperature and stress nonuniform distribution of different emitters within an LDA. We find that temperature and stress nonuniformity broadens the spectral width by almost 0.1–1.0 nm as a function of different operating conditions, while the thermally induced chirp that is attributed to injection current plays a more signification role in spectral-width broadening. © 2018 Optical Society of America
DOI10.1364/AO.57.005599
Indexed ByEI
Language英语
PublisherOSA - The Optical Society
EI Accession Number20183105616848
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30540
Collection瞬态光学技术国家重点实验室
炬光科技有限公司
Corresponding AuthorZhang, Hongyou
Affiliation1.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an, Shaanxi; 710077, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Focuslight Technologies Inc., Xi’an, Shaanxi; 710077, China
Recommended Citation
GB/T 7714
Zhang, Hongyou,Jia, Yangtao,Zah, Chung-En,et al. Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays[J]. Applied Optics,2018,57(20):5599-5603.
APA Zhang, Hongyou,Jia, Yangtao,Zah, Chung-En,&Liu, Xingsheng.(2018).Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays.Applied Optics,57(20),5599-5603.
MLA Zhang, Hongyou,et al."Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays".Applied Optics 57.20(2018):5599-5603.
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