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New method of chirped-pulse spectrum shaping using phase mismatched optical parametric chirped pulse amplification

  • Qinghua Deng*
  • , Hansheng Peng
  • , Xiaomin Zhang
  • , Mingzhong Li
  • , Zhan Sui
  • , Lei Ding
  • , Jianjun Wang
  • , Jun Tang
  • , Yiming Luo
  • , Runchang Zhao
  • , Fuquan Li
  • , Honghuan Lin
  • , Xinjie Lu
  • , Mingzhe Wang
  • *Corresponding author for this work
  • China Academy of Engineering Physics
  • National University of Defense Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Phase matching is one of the important keys for high-efficiency energy conversion in optical parametric chirped pulse amplification (OPCPA). With simulation on the OPCPA process of several conventional nonlinear crystals, it is found that the spectra of output signal from phase mismatched OPCPA is broadened, and the center of spectra is depressed. It is proposed that the phase mismatched OPCPA can be a novel method for spectra shaping of chirped pulses. The parameters influencing the spectra shaping process is given. The amplifying characteristics with OPCPA phase mismatching for several conventional nonlinear crystals under degenerate, quasi-degenerate and non-degenerate conditions are compared.

Original languageEnglish
Pages (from-to)354-359
Number of pages6
JournalGuangxue Xuebao/Acta Optica Sinica
Volume27
Issue number2
StatePublished - Feb 2007
Externally publishedYes

Keywords

  • Chirped pulse
  • Optical parametric chirped pulse amplification
  • Phase mismatching
  • Spectrum shaping
  • Ultrafast optics

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