| Lasing with and without inversion due to spontaneously generated coherence in an open V-type system |
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| 作者姓名： | 李景娟 刘呈普 崔妮 李华 樊锡君 |
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| 作者单位： | Physics Department，Shandong Normal University，Ji'nan 250014，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Physics Department，Shandong Normal University，Ji'nan 250014，Physics Department，Shandong Normal University，Ji'nan 250014，Physics Department，Shandong Normal University，Ji'nan 250014 |
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| 基金项目： | ThisworkwassupportedbytheKeyLaboratoryforHighIntensityOptics,ShanghaiInstituteofOpticsandFineMechanics,andbytheNationalNaturalScienceFoundationofChinaunderGrantNo.69978011. |
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| 摘 要： | It is shown that in an open V-type atomic system without incoherent pumping, the spontaneously generated coherence (SGC) can not only lead to lasing with inversion but also lead to lasing without inversion (LWI) including at resonance of the driving and probe fields. This conclusion is much different from that obtained in the corresponding closed V-type system.
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