All optical method for measuring the carrier envelope phase from half-cycle cutoffs 被引量：1

All optical method for measuring the carrier envelope phase from half-cycle cutoffs

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摘要 An all optical method is demonstrated for measuring the carrier-envelope phase （CEP） of few-cycle laser pulses. It is found that, in the few-cycle regime, the high harmonic spectrum generated from asymmetric molecules shows several half-cycle cutoffs that change their positions as the CEP varies. Such half-cycle cutoffs represent the fingerprint of different quantum trajectories and the waveform of the driving pulse. In this case, the CEP can be accurately measured from the half-cycle cutoffs. An all optical method is demonstrated for measuring the carrier-envelope phase （CEP） of few-cycle laser pulses. It is found that, in the few-cycle regime, the high harmonic spectrum generated from asymmetric molecules shows several half-cycle cutoffs that change their positions as the CEP varies. Such half-cycle cutoffs represent the fingerprint of different quantum trajectories and the waveform of the driving pulse. In this case, the CEP can be accurately measured from the half-cycle cutoffs.

作者李钱光陈欢张秀易煦农

机构地区 School of Physics and Electronic-information Engineering Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables

出处《Chinese Physics B》 SCIE EI CAS CSCD 2014年第7期439-443,共5页 中国物理B（英文版）

基金 supported by the Key Foundation of the Ministry of Education of China(Grant No.211117) the Foundation of Hubei Co-innovation Center forUtilization of Biomass Waste,China(Grant No.XTCX004)

关键词 high harmonic generation carrier-envelope phase MEASUREMENT high harmonic generation, carrier-envelope phase, measurement

分类号 O439 [机械工程—光学工程]

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