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Related Experiment Video

Updated: Mar 12, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Multicoherence wavelength generation based on integrated twin-microdisk lasers.

Hai-Zhong Weng, Yong-Zhen Huang, Jin-Long Xiao

    Optics Letters
    |November 15, 2016
    PubMed
    Summary
    This summary is machine-generated.

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    This study demonstrates a new method for generating multiple coherent wavelengths using a twin-microdisk laser. This technique allows for tunable frequency spacing, enabling advanced optical signal generation.

    Area of Science:

    • Photonics
    • Laser Technology
    • Nonlinear Optics

    Background:

    • Generating multiple coherent wavelengths is crucial for advanced optical communication and spectroscopy.
    • Existing methods often lack tunability or require complex setups.

    Purpose of the Study:

    • To experimentally demonstrate an effective method for multicoherence wavelength generation.
    • To achieve tunable frequency spacing for multiwavelength generation using an integrated laser source.

    Main Methods:

    • Utilizing an integrated twin-microdisk laser as a seeding source for dual-wavelength lasing.
    • Independently adjusting injection currents to control wavelength spacing.
    • Employing a nonlinear optical fiber for multicoherence wavelength generation with the seeded laser.

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    Last Updated: Mar 12, 2026

    Generation and Coherent Control of Pulsed Quantum Frequency Combs
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    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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    Main Results:

    • Achieved dual-wavelength lasing with variable wavelength spacing.
    • Generated multicoherence wavelengths in a nonlinear optical fiber with tunable frequency intervals from 50 to 300 GHz.
    • Produced ten waves with optical signal-to-noise ratios between 28 and 10 dB at a 200 GHz interval and a 1.2 ps pulse width.

    Conclusions:

    • The integrated twin-microdisk laser effectively seeds multicoherence wavelength generation.
    • The method provides tunable frequency intervals, offering flexibility for various applications.
    • High coherence in the mode-locked multiwavelength light source was confirmed by a high extinction ratio.