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Effect of transition dipole phase on high-order-harmonic generation in solid materials
Jiang, Shicheng1,2; Wei, Hui2; Chen, Jigen2,3; Yu, Chao1; Lu, Ruifeng1,4; Lin, C. D.2
Source PublicationPHYSICAL REVIEW A
2017-11-27
ISSN2469-9926
DOI10.1103/PhysRevA.96.053850
Volume96Issue:5
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordGRAPHENE ; CRYSTAL ; FIELDS
AbstractHigh-order harmonic spectra from solid materials driven by single-color multicycle laser fields sometimes contain even harmonics. In this work we attribute the appearance of even harmonics to the nonzero transition dipole phase (TDP) when the solid system has broken symmetry. By calculating the harmonic efficiency from graphene and gapped graphene by using the semiconductor Bloch equations under the tight-binding approximation, we demonstrate the role of the TDP, which has been ignored for a long time. When the crystal has inversion symmetry, or reflection symmetry with the symmetry plane perpendicular to the laser polarization direction, the TDP can be neglected. Without such symmetry, however, the TDP will lead to the appearance of even harmonics. We further show that the TDP is sensitive to the crystal geometry. To extract the structure information from the harmonic spectra of a solid the TDP cannot be ignored.
Language英语
WOS IDWOS:000416232300018
PublisherAMER PHYSICAL SOC
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169269
Collection中国科学院大连化学物理研究所
Corresponding AuthorLu, Ruifeng; Lin, C. D.
Affiliation1.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Kansas State Univ, Dept Phys, J R Macdonald Lab, Manhattan, KS 66506 USA
3.Taizhou Univ, Dept Phys, Taizhou 318000, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Shicheng,Wei, Hui,Chen, Jigen,et al. Effect of transition dipole phase on high-order-harmonic generation in solid materials[J]. PHYSICAL REVIEW A,2017,96(5).
APA Jiang, Shicheng,Wei, Hui,Chen, Jigen,Yu, Chao,Lu, Ruifeng,&Lin, C. D..(2017).Effect of transition dipole phase on high-order-harmonic generation in solid materials.PHYSICAL REVIEW A,96(5).
MLA Jiang, Shicheng,et al."Effect of transition dipole phase on high-order-harmonic generation in solid materials".PHYSICAL REVIEW A 96.5(2017).
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