SEMI OpenIR  > 中科院半导体材料科学重点实验室
Thermal induced facet destructive feature of quantum cascade lasers
Zhang QD (Zhang Quande); Liu FQ (Liu Feng-Qi); Zhang W (Zhang Wei); Lu QY (Lu Quanyong); Wang LJ (Wang Lijun); Li L (Li Lu); Wang ZG (Wang Zhanguo); Liu, FQ, Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, POB 912, Beijing 100083, Peoples R China. 电子邮箱地址: fqliu@semi.ac.cn
2010
Source PublicationAPPLIED PHYSICS LETTERS
Volume96Issue:14Pages:Art. No. 141117
AbstractWe present a study on the facet damage profile of quantum cascade lasers (QCLs). Conspicuous cascade half-loop damage strips on front facet are observed when QCLs catastrophically failed. Due to the large difference on thermal conductivities between active region and the substrate, dominant heat is compulsively driven to the substrate. Abundant heat accumulation and dissipation on substrate build large temperature gradient and thermal lattice mismatch. Thermal-induced stress due to sequential mismatch leads to the occurrence of the multistep damages on front facet. Good agreement is achieved between the observed locations of damaged strips and the calculated results.
metadata_24其它
KeywordLaser Beam Effects Quantum Cascade Lasers Thermal Conductivity Mu-m Temperature Operation Performance
Subject Area半导体材料
Funding OrganizationNational Research Projects of China 60525406 60736031 60806018 60906026 2006CB604903 2007AA03Z446 2009AA03Z403
Indexed By其他
Language英语
Date Available2010-04-28
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/11204
Collection中科院半导体材料科学重点实验室
Corresponding AuthorLiu, FQ, Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, POB 912, Beijing 100083, Peoples R China. 电子邮箱地址: fqliu@semi.ac.cn
Recommended Citation
GB/T 7714
Zhang QD ,Liu FQ ,Zhang W ,et al. Thermal induced facet destructive feature of quantum cascade lasers[J]. APPLIED PHYSICS LETTERS,2010,96(14):Art. No. 141117.
APA Zhang QD .,Liu FQ .,Zhang W .,Lu QY .,Wang LJ .,...&Liu, FQ, Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, POB 912, Beijing 100083, Peoples R China. 电子邮箱地址: fqliu@semi.ac.cn.(2010).Thermal induced facet destructive feature of quantum cascade lasers.APPLIED PHYSICS LETTERS,96(14),Art. No. 141117.
MLA Zhang QD ,et al."Thermal induced facet destructive feature of quantum cascade lasers".APPLIED PHYSICS LETTERS 96.14(2010):Art. No. 141117.
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