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Chinese Physics, 2007, Vol. 16(2): 472-477    DOI: 10.1088/1009-1963/16/2/031
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Accurate determination of the absolute phase and temporal-pulse phase of few-cycle laser pulses

Xia Ke-Yu(夏可宇)a)b), Gong Shang-Qing(龚尚庆)a), Niu Yue-Ping(钮月萍)a)b), Li Ru-Xin(李儒新)a), and Xu Zhi-Zhan(徐至展)a)
a State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; b Graduate University of Chinese Academy of Sciences, Shanghai 201800, China
Abstract  A Fourier analysis method is used to accurately determine not only the absolute phase but also the temporal-pulse phase of an isolated few-cycle (chirped) laser pulse. This method is independent of the pulse shape and can fully characterize the light wave even though only a few samples per optical cycle are available. It paves the way for investigating the absolute phase-dependent extreme nonlinear optics, and the evolutions of the absolute phase and the temporal-pulse phase of few-cycle laser pulses.
Keywords:  absolute phase      temporal-pulse phase      few-cycle laser pulse      Fourier analysis  
Received:  31 March 2006      Revised:  09 August 2006      Accepted manuscript online: 
PACS:  42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation)  
  02.30.Nw (Fourier analysis)  
  42.60.Mi (Dynamical laser instabilities; noisy laser behavior)  
  42.65.Sf (Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60478002), and the Basic Research Key Foundation of Shanghai (Grant Nos 04JC14036 and 05DJ14003).

Cite this article: 

Xia Ke-Yu(夏可宇), Gong Shang-Qing(龚尚庆), Niu Yue-Ping(钮月萍), Li Ru-Xin(李儒新), and Xu Zhi-Zhan(徐至展) Accurate determination of the absolute phase and temporal-pulse phase of few-cycle laser pulses 2007 Chinese Physics 16 472

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