Inducing electron spin coherence in GaAs quantum well waveguides: Spin coherence without spin precession

Susanta Sarkar; Phedon Palinginis; Pei Cheng Ku; Connie J. Chang-Hasnain; N. H. Kwong; R. Binder; Hailin Wang

doi:10.1103/PhysRevB.72.035343

Inducing electron spin coherence in GaAs quantum well waveguides: Spin coherence without spin precession

Susanta Sarkar, Phedon Palinginis, Pei Cheng Ku, Connie J. Chang-Hasnain, N. H. Kwong, R. Binder, Hailin Wang

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

18 Scopus citations

Abstract

We demonstrate the generation and detection of electron spin coherence in a quantum well waveguide without either an external or internal dc magnetic field. In the absence of spin precession, the induced spin coherence is detected through effects of quantum interference in the spectral domain coherent nonlinear optical response. We interpret the experimental results qualitatively using a few-level model with optical selection rules as its basic ingredient.

Original language	English (US)
Article number	035343
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.72.035343
State	Published - Jul 15 2005

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.72.035343

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abstract = "We demonstrate the generation and detection of electron spin coherence in a quantum well waveguide without either an external or internal dc magnetic field. In the absence of spin precession, the induced spin coherence is detected through effects of quantum interference in the spectral domain coherent nonlinear optical response. We interpret the experimental results qualitatively using a few-level model with optical selection rules as its basic ingredient.",

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AU - Sarkar, Susanta

AU - Palinginis, Phedon

AU - Ku, Pei Cheng

AU - Chang-Hasnain, Connie J.

AU - Kwong, N. H.

AU - Binder, R.

AU - Wang, Hailin

PY - 2005/7/15

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N2 - We demonstrate the generation and detection of electron spin coherence in a quantum well waveguide without either an external or internal dc magnetic field. In the absence of spin precession, the induced spin coherence is detected through effects of quantum interference in the spectral domain coherent nonlinear optical response. We interpret the experimental results qualitatively using a few-level model with optical selection rules as its basic ingredient.

AB - We demonstrate the generation and detection of electron spin coherence in a quantum well waveguide without either an external or internal dc magnetic field. In the absence of spin precession, the induced spin coherence is detected through effects of quantum interference in the spectral domain coherent nonlinear optical response. We interpret the experimental results qualitatively using a few-level model with optical selection rules as its basic ingredient.

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Inducing electron spin coherence in GaAs quantum well waveguides: Spin coherence without spin precession

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