Femtosecond-pulse distortion in quantum wells

Dai Sik Kim; Jagdeep Shah; D. A.B. Miller; T. C. Damen; Wilfred Schäfer; L. Pfeiffer

doi:10.1103/PhysRevB.48.17902

Femtosecond-pulse distortion in quantum wells

Dai Sik Kim, Jagdeep Shah, D. A.B. Miller, T. C. Damen, Wilfred Schäfer, L. Pfeiffer

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T2 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.

Original language	English (US)
Pages (from-to)	17902-17905
Number of pages	4
Journal	Physical Review B
Volume	48
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.48.17902
State	Published - 1993
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.48.17902

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abstract = "We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T2 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.",

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AU - Kim, Dai Sik

AU - Shah, Jagdeep

AU - Miller, D. A.B.

AU - Damen, T. C.

AU - Schäfer, Wilfred

AU - Pfeiffer, L.

PY - 1993

Y1 - 1993

N2 - We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T2 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.

AB - We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T2 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.

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JO - Physical Review B

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IS - 24

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Femtosecond-pulse distortion in quantum wells

Abstract

All Science Journal Classification (ASJC) codes

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