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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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High power burst-mode optical parametric amplifier with arbitrary pulse selection.

M Pergament, M Kellert, K Kruse

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    Summary
    This summary is machine-generated.

    We developed a novel burst-mode femtosecond non-collinear optical parametric amplifier (NOPA) for advanced X-ray experiments. This high-fidelity optical parametric amplifier delivers tunable, ultrashort pulses for precise pump-probe studies.

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    Area of Science:

    • Laser physics
    • Ultrafast optics
    • X-ray science

    Background:

    • Femtosecond lasers are crucial for pump-probe spectroscopy.
    • Existing systems face limitations in repetition rate and tunability.
    • Development of advanced light sources is needed for next-generation X-ray facilities.

    Purpose of the Study:

    • To present the development of a burst-mode femtosecond non-collinear optical parametric amplifier (NOPA).
    • To characterize its performance for optical-X-ray pump-probe experiments.
    • To demonstrate its capability for generating tunable, high-energy ultrashort pulses.

    Main Methods:

    • Utilized a burst-mode femtosecond non-collinear optical parametric amplifier (NOPA).
    • Employed dispersive amplification filtering for pulse shaping and tuning.
    • Integrated acousto- and electro-optic switching for burst control.

    Main Results:

    • Achieved 15 fs pulse duration at 810 nm with high fidelity.
    • Demonstrated selectable pulse durations up to 75 fs and >100 nm tuning range.
    • Reached 180 µJ single pulse energy and 34 W average power during bursts.
    • Enabled transient-free burst generation and arbitrary pulse sequence selection.

    Conclusions:

    • The developed NOPA meets the demanding requirements for optical-X-ray pump-probe experiments.
    • Its unique burst-mode operation and tunability offer significant advantages for ultrafast science.
    • This technology advances the capabilities of X-ray Free-Electron Laser facilities.