Generation of intense few-cycle laser pulse with idler pulse compression scheme

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We have successfully controlled high order spectral dispersions of idler pulses generated in optical-parametric chirped pulse amplification with phase modulation of the pump pulse. Using this method, residual high order dispersions of compressed idler pulses can be compensated, which enables us to construct a simple compact, and efficient intense few-cycle laser system with only glass blocks for pulse stretcher and compressor. This laser system will be a respectable support to promote high-field science in user laboratory, such as attosecond science.