Terahertz sum-frequency excitation of phonon in WSe2 (IMAGE)

Yokohama National University

Terahertz sum-frequency excitation of phonon in WSe2

Caption

Schematics of the ultrafast broadband terahertz excitation and polarization rotation detection of phonon in WSe2. Obtained result (lower right) includes the coherent phonon oscillation signal excited via sum-frequency process (upper right).

Credit

Satoshi Kusaba / Yokohama National University

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