Phys. Rev. A 44, R5353–R5356 (1991)Observation of optical precursors at pulse propagation in GaAs
We have observed optical precursors by studying propagation of ultrashort optical pulses with a steeply rising and an exponentially decaying trailing edge through a 0.2-μm-thick GaAs crystal near the exciton resonance. The appearance of a fast pulse front—the precursor—independent of the detuning with respect to the resonance, was accompanied by a delayed main pulse. The delay of the main pulse varies with detuning in according with theoretical predictions. © 1991 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.44.R5353
DOI:
10.1103/PhysRevA.44.R5353
PACS:
42.10.-s, 42.50.Md, 71.36.+c, 78.20.Bh
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