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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Simple carrier-envelope phase control and stabilization scheme for difference frequency generation-based systems.

Michele Natile, Florent Guichard, Yoann Zaouter

    Optics Express
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    PubMed
    Summary
    This summary is machine-generated.

    We developed a simple method for controlling the carrier-envelope phase (CEP) in passive systems using difference frequency generation (DFG). This technique stabilizes CEP in optical parametric amplifier/amplifier setups.

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    Area of Science:

    • Physics
    • Optics
    • Laser Technology

    Background:

    • Carrier-envelope phase (CEP) stabilization is crucial for precision optics.
    • Passive systems often require robust CEP control methods.
    • Difference frequency generation (DFG) offers a potential route for CEP manipulation.

    Purpose of the Study:

    • To present a novel setup for carrier-envelope phase (CEP) control and stabilization.
    • To demonstrate this technique in passive systems utilizing difference frequency generation (DFG).
    • To validate the method's efficacy in CEP-stable optical parametric amplifier (OPA) and optical parametric chirped-pulse amplifier (OPCPA) systems.

    Main Methods:

    • Utilizing amplitude-to-phase modulation transfer during white-light generation.
    • Modulating the pump laser intensity to control the DFG output's CEP.
    • Characterizing CEP modulations using arbitrary waveform generation.
    • Implementing a feedback loop for slow drift correction.

    Main Results:

    • Demonstrated a simple and effective CEP actuator based on DFG.
    • Successfully stabilized the CEP in a system pumped by an Yb-doped fiber amplifier.
    • Verified the technique's ability to correct for slow CEP drifts.
    • Confirmed the approach's suitability for OPA/OPCPA systems.

    Conclusions:

    • The reported DFG-based setup provides a simple and capable method for CEP control and stabilization.
    • This technique is well-suited for enhancing the stability of OPA and OPCPA systems.
    • The amplitude-to-phase modulation transfer offers a practical approach to CEP stabilization in passive laser systems.