Generation of Raman lasers from nitrogen molecular ions driven by ultraintense laser fields
Yao, Jinping1; Chu, Wei1; Liu, Zhaoxiang1,2; Xu, Bo1,2; Chen, Jinming1,2,3; Cheng, Ya1,4,5
2018-03-29
Source PublicationNEW JOURNAL OF PHYSICS
ISSN1367-2630
Volume20Issue:3
Status已发表
DOI10.1088/1367-2630/aab087
AbstractAtmospheric lasing has aroused much interest in the past few years. The 'air-laser' opens promising potential for remote chemical sensing of trace gases with high sensitivity and specificity. At present, several approaches have been successfully implemented for generating highly coherent laser beams in atmospheric condition, including both amplified-spontaneous emission, and narrow-bandwidth stimulated emission in the forward direction in the presence of self-generated or externally injected seed pulses. Here, we report on generation of multiple-wavelength Raman lasers from nitrogen molecular ions (N-2(+)), driven by intense mid-infrared laser fields. Intuitively, the approach appears problematic for the small nonlinear susceptibility of N-2(+) ions, whereas the efficiency of Raman laser can be significantly promoted in near-resonant condition. More surprisingly, a Raman laser consisting of a supercontinuum spanning from similar to 310 to similar to 392 nm has been observed resulting from a series near-resonant nonlinear processes including four-wave mixing, stimulated Raman scattering and cross phase modulation. To date, extreme nonlinear optics in molecular ions remains largely unexplored, which provides an alternative means for air-laser-based remote sensing applications.
Keywordstrong field physics supercontinuum generation tunnel ionization
Indexed BySCI ; EI
Language英语
Funding ProjectShanghai Rising-Star Program[17QA1404600]
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000428905500010
PublisherIOP PUBLISHING LTD
EI Accession Number20181504991002
EI KeywordsAtmospheric chemistry ; Chemical sensors ; Four wave mixing ; Ion sources ; Ionization of gases ; Laser beams ; Nitrogen ; Optical parametric oscillators ; Pumping (laser) ; Remote sensing ; Supercontinuum generation
EI Classification NumberNonlinear Optics:741.1.1 ; Lasers, General:744.1 ; Laser Beam Interactions:744.8 ; Chemistry:801 ; Chemistry, General:801.1 ; Chemical Reactions:802.2 ; Chemical Products Generally:804 ; High Energy Physics:932.1
WOS KeywordRARE-GASES ; AIR ; IONIZATION
Original Document TypeArticle
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/20224
Collection物质科学与技术学院
物质科学与技术学院_特聘教授组_程亚组
物质科学与技术学院_博士生
Corresponding AuthorCheng, Ya
Affiliation1.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
4.East China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
5.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Yao, Jinping,Chu, Wei,Liu, Zhaoxiang,et al. Generation of Raman lasers from nitrogen molecular ions driven by ultraintense laser fields[J]. NEW JOURNAL OF PHYSICS,2018,20(3).
APA Yao, Jinping,Chu, Wei,Liu, Zhaoxiang,Xu, Bo,Chen, Jinming,&Cheng, Ya.(2018).Generation of Raman lasers from nitrogen molecular ions driven by ultraintense laser fields.NEW JOURNAL OF PHYSICS,20(3).
MLA Yao, Jinping,et al."Generation of Raman lasers from nitrogen molecular ions driven by ultraintense laser fields".NEW JOURNAL OF PHYSICS 20.3(2018).
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