Efficient light storage in a λ system due to coupling between lower levels

A. Eilam; A. D. Wilson-Gordon; H. Friedmann

doi:10.1364/ol.34.001834

Efficient light storage in a λ system due to coupling between lower levels

A. Eilam, A. D. Wilson-Gordon, H. Friedmann

Department of Chemistry

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

37 Scopus citations

Abstract

We show analytically and numerically that the application, during the storage time, of an additional weak field connecting the lower levels (LLs) of a λ system can modify the spin coherence and the amplitude of the retrieved probe without causing distortion. The LL coupling field adds an additional phase-dependent term to the probe propagation equation. The retrieved probe is amplified when the total relative phase φ=0 or π and decreased when φ=π/2.

Original language	English
Pages (from-to)	1834-1836
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	12
DOIs	https://doi.org/10.1364/ol.34.001834
State	Published - 15 Jun 2009

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10.1364/ol.34.001834

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abstract = "We show analytically and numerically that the application, during the storage time, of an additional weak field connecting the lower levels (LLs) of a λ system can modify the spin coherence and the amplitude of the retrieved probe without causing distortion. The LL coupling field adds an additional phase-dependent term to the probe propagation equation. The retrieved probe is amplified when the total relative phase φ=0 or π and decreased when φ=π/2.",

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N2 - We show analytically and numerically that the application, during the storage time, of an additional weak field connecting the lower levels (LLs) of a λ system can modify the spin coherence and the amplitude of the retrieved probe without causing distortion. The LL coupling field adds an additional phase-dependent term to the probe propagation equation. The retrieved probe is amplified when the total relative phase φ=0 or π and decreased when φ=π/2.

AB - We show analytically and numerically that the application, during the storage time, of an additional weak field connecting the lower levels (LLs) of a λ system can modify the spin coherence and the amplitude of the retrieved probe without causing distortion. The LL coupling field adds an additional phase-dependent term to the probe propagation equation. The retrieved probe is amplified when the total relative phase φ=0 or π and decreased when φ=π/2.

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Efficient light storage in a λ system due to coupling between lower levels

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