Figure 2. Interference Fringes of Optical Phonons (IMAGE)

_Tokyo Institute of Technology

Figure 2. Interference Fringes of Optical Phonons

Caption

Interference fringes of (a) coherent longitudinal optical (LO) phonons and (b) coherent oscillation of LO phonon-plasmon coupled oscillation in n-type GaAs and (c) optical intereference of the pump pulses. Fast oscillations (period of ~2.7 fs) in (a) and (b) are due to inteference between electronic states.

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