Time-resolved nonlinear microspectroscopy with Gaussian beams: Spatial coherence dynamics in quantum materials

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Spatial coherence transfer is elucidated, revealing the significance of both coherent and incoherent dynamics in quantum materials.
Distinct signatures in line shapes were noted through heterodyne-detected PE signals, emphasizing method sensitivity.
The analytical approach utilized Laguerre–Gaussian modes, supporting the exploration of radial mode mixing in coherence migration.
Findings indicate implications for energy transport applications in advanced materials, particularly in two-dimensional systems.

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Theoretical framework reveals exciton coherence diffusion in organic semiconductors and perovskites, highlighting new insights into spatial dynamics.

Minhaeng Cho (2025) studied this question.

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Theoretical framework reveals exciton coherence diffusion in organic semiconductors and perovskites, highlighting new insights into spatial dynamics.