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Updated: Feb 21, 2026

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Spontaneously generated structured light via vortex beams in a five-level atomic system.

Tong Zhang, Xu Deng, Kai-Kai Zhang

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    Researchers demonstrate manipulating spontaneous emission spectra using optical vortices and atomic systems. This method utilizes quantum interference to control light properties for applications in optical storage and communication.

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    Area of Science:

    • Quantum Optics
    • Atomic Physics
    • Structured Light

    Background:

    • Spontaneous emission spectra are fundamental in quantum optics.
    • Controlling light-matter interactions is crucial for advanced optical technologies.
    • Optical vortices offer unique properties for light manipulation.

    Purpose of the Study:

    • To propose an efficient scheme for manipulating spontaneous emission spectra.
    • To investigate the role of optical vortices and quantum interference in atomic systems.
    • To explore potential applications in structured light technologies.

    Main Methods:

    • Utilizing a coherently driven cold five-level atomic system.
    • Employing optical vortices with orbital angular momentum (OAM).
    • Assisting with radio frequency (RF) or microwave fields and exploiting spontaneously generated coherence (SGC).

    Main Results:

    • Spontaneous emission spectra are strongly influenced by quantum destructive interference.
    • The structured light profile of the probe field is transferred to the spontaneous emission spectrum via SGC.
    • Vortex-induced spontaneous emission spectra can be tailored by adjusting field intensities, detunings, and topological charges (TCs).

    Conclusions:

    • The proposed scheme enables coherent control of spontaneous emission spectra using optical vortices.
    • Tailoring spontaneous emission via SGC and vortex beams opens new possibilities for optical applications.
    • This work advances structured light applications in optical storage and communication.