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- Kim, Dai-Sik
- Nano Optics Group
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FEMTOSECOND-PULSE DISTORTION IN QUANTUM-WELLS
- Author(s)
- KIM, DS, SHAH, J, MILLER, DAB, DAMEN, TC, SCHAFER, W, PFEIFFER, L
- Issued Date
- 1993-12
- Citation
- PHYSICAL REVIEW B, v.48, no.24, pp.17902 - 17905
- Abstract
- We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000 ($) over circle A) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T-2 and the total thickness l. An interferometric measurement reveals the existence of well-defined nodes at which the envelope function changes its sign. This pulse distortion significantly affects femtosecond experiments such as pump-probe or four-wave-mixing experiments.
- Publisher
- AMER PHYSICAL SOC
- ISSN
- 1098-0121
- Keyword
- PHOTON-ECHOES, PROPAGATION, SEMICONDUCTORS, EXCITONS, SPECTROSCOPY, DYNAMICS, LIGHT, DECAY
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