Pulse-front matched ultra-broadband optical parametric chirped pulse amplifier for sub-12 fs pulse generation

Zhao, Wei; Liu, Hongjun; Wang, Yishan; Wang, Hongying; Zhao, Chao; Chen, Guofu

doi:10.1088/1009-1963/14/2/024

Chinese Phys.

2005

DOI: 10.1088/1009-1963/14/2/024

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Pulse-front matched ultra-broadband optical parametric chirped pulse amplifier for sub-12 fs pulse generation

Wei Zhao

Hongjun Liu

Yishan Wang

et al.

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Noncollinear phase-matching geometries in ultra-broadband quasi-parametric amplification

Wang¹,

Zheng²,

Chen³

2022

Chinese Phys. B

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Optical parametric chirped pulse amplification (OPCPA) shows great potential in producing ultrashort high-intensity pulses because of its large gain bandwidth. Quasi-parametric chirped pulse amplification (QPCPA) may further extend the bandwidth, but the behavior of QPCPA at a limited pump intensity (e.g., ≤5 GW/cm2 in a nanosecond pumped QPCPA) is not fully investigated yet. We have discussed in detail the ultra-broadband amplification and the noncollinear phase-matching geometry in QPCPA. We have modeled and developed a novel noncollinear geometry in QPCPA namely ’triple-wavelength phase-matching geometry’ which provides two additional phase-matching points around the phase-matching point at the center wavelength. Our analysis demonstrates that the triple-wavelength phase-matching geometry can support stable, ultra-broadband amplification in QPCPA. The numerical simulation results show that ultrashort pulse with a pulse duration of 7.92 fs can be achieved in QPCPA when the pump intensity is limited to 5 GW/cm2, calculated using the nonlinear coefficient of YCOB.

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Noncollinear phase-matching geometries in ultra-broadband quasi-parametric amplification

Wang¹,

Zheng²,

Chen³

2022

Chinese Phys. B

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Pulse-front matched ultra-broadband optical parametric chirped pulse amplifier for sub-12 fs pulse generation

Cited by 1 publication

References 0 publications

Noncollinear phase-matching geometries in ultra-broadband quasi-parametric amplification

Noncollinear phase-matching geometries in ultra-broadband quasi-parametric amplification

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