Broad-bandwidth high-temporal-contrast carrier-envelope-phase-stabilized laser seed for 100  PW lasers

Shao, Beijie; Li, Yanyan; Peng, Yujie; Wang, Pengfei; Qian, Junyu; Leng, Yuxin; Li, Ruxin

doi:10.1364/ol.390110

Cited by 38 publications

(23 citation statements)

References 29 publications

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“…Ultra-fast optical parametric amplification (OPA) is a popularly well-established method in a large range of configurations to obtain interesting properties such as a very wide-tunability, an ultra-broad gain-bandwidth for ultra-short pulses and a very-high temporal contrast [1,2]. The OPA process was performed in different materials, mainly by exploiting the second-order susceptibility of bulk non-linear crystals, but also in isotropic media where their third-order susceptibility is utilized [3].…”

Section: Introductionsmentioning

confidence: 99%

Tunable ultrafast infrared generation in a gas-filled hollow-core capillary by a four-wave mixing process

et al. 2022

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In this manuscript, we numerically and experimentally investigated the four-wave mixing process in a gas filled hollowcore capillary in the femtosecond regime. The interaction between a visible broad-band continuum and a chirped pump pulse resulted to the generation of a tunable near infrared pulse of 1.2 to 1.5 µm, and with the potentiality to reach the mid-infrared range. Numerical simulations were performed in order to fully understand the role of key parameters such as the gas pressure, chirps and relative delays of the involved pulses. The experimentation which demonstrated and highlighted the feasibility of the tunable femtosecond source, led to the generation of an idler at 1.2 µm with a duration of ~220 fs at the direct output of the capillary. The duration can ultimately be reduced to 45 fs in the presence of phase compensators.

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Section: Introductionsmentioning

confidence: 99%

Tunable ultrafast infrared generation in a gas-filled hollow-core capillary by a four-wave mixing process

et al. 2022

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“…1. The system mainly consists of a 1 kHz commercial Ti:sapphire femtosecond laser (Astrella, Coherent Inc.), a home-built 1.9 μm OPA system [32] and the fused silica thin plates.…”

Section: Methodsmentioning

confidence: 99%

1.9 μm Few-Cycle Pulses Based on Multi-Thin-Plate Spectral Broadening and Nonlinear Self-Compression

Shao

Peng

et al. 2021

IEEE Photonics J.

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In attosecond and strong-field physics, the acquisition of few-cycle laser sources open up a new area. We report a nonlinear pulse compression technology combining multi-thin-plate spectral broadening and nonlinear self-compression that generates a 0.52 mJ, good spatial quality characteristics and a spectral bandwidth supporting a 14 fs Fourier transform limited duration at 1 kHz repetition rate and at a center wavelength of 1.9 μm. The total energy transfer efficiency is up to 83%. Pulse to pulse stability of the energy output is 0.7% (RMS). The pulse duration is near 3 optical cycles. This pulse compression approach can be a key-enabling technology for the next generation of extreme photonics, attosecond research and coherent x ray-science, and it also can be further extended to midinfrared lasers with longer wavelengths and higher peak power.

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“…The seed laser of the 100 PW laser facility includes a CPA laser, OPA, and a gas-filled hollow-core fiber [19]. In the CPA laser system, a Ti:Sa oscillator delivered femtosecond (fs) pulses, which were split into two parts.…”

Section: Experimental Implementationmentioning

confidence: 99%

“…In all of these laser facilities, the seed laser plays a key role for subsequent amplifier lines. For example, the seed pulses are split into several parts in OPCPA and optical parametric amplification (OPA) laser systems, which are used as the signal and pre-pump pulses, respectively [6,19,20]. The timing between seed and pump pulses significantly influences pulse stability and conversion efficiency and should be precisely controlled.…”

Section: Introductionmentioning

confidence: 99%

Timing Fluctuation Correction of A Femtosecond Regenerative Amplifier

Liu

Wang

et al. 2021

Crystals

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We report on the long-term correction of a timing fluctuation between the femtosecond regenerative amplifier and the reference oscillator for the seed 100 PW laser system in the Station of Extreme Light (SEL). The timing fluctuation was characterized by a noncollinear balanced optical cross-correlator that maps the time difference to the sum frequency intensity of the amplifier and oscillator laser pulses. A feedback loop was employed to correct the timing jitter by adjusting the time delay line in the amplifier beam path. The timing fluctuation was reduced to 1.26 fs root-mean-square from hundreds of fs over 10 hours. Benefitting from excellent performance and long-term stability, this timing jitter correction scheme, as a component of optical synchronization in the 100 PW laser facility, will be integrated into SEL.

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Broad-bandwidth high-temporal-contrast carrier-envelope-phase-stabilized laser seed for 100 PW lasers

Cited by 38 publications

References 29 publications

Tunable ultrafast infrared generation in a gas-filled hollow-core capillary by a four-wave mixing process

Tunable ultrafast infrared generation in a gas-filled hollow-core capillary by a four-wave mixing process

1.9 μm Few-Cycle Pulses Based on Multi-Thin-Plate Spectral Broadening and Nonlinear Self-Compression

Timing Fluctuation Correction of A Femtosecond Regenerative Amplifier

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