Theoretical analysis on two-photon absorption spectroscopy in a confined four-level atomic system

Yuanyuan Li; Jintao Bai; Li Li; Yanpeng Zhang; Xun Hou

doi:10.3788/COL20090707.0640

Theoretical analysis on two-photon absorption spectroscopy in a confined four-level atomic system

Yuanyuan Li
, Jintao Bai
, Li Li
, Yanpeng Zhang
, Xun Hou

Northwest University China
Xi'an University of Arts and Science
Xi'an Jiaotong University
CAS - Xi'an Institute of Optics and Precision Mechanics

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

Abstract

We investigate theoretically two-photon absorption spectroscopy modified by a control field in a confined Y-type four-level system. Dicke-narrowing effect occurs both in two-photon absorption lines and the dips of transparency against two-photon absorption due to enhanced contribution of slow atoms. We also find that the suppression and the enhancement of two-photon absorption can be modified by changing the strength of the control field and the detuning of three laser fields. This control of two-photon absorption may have some applications in information processing and optical devices.

Original language	English
Pages (from-to)	640-642
Number of pages	3
Journal	Chinese Optics Letters
Volume	7
Issue number	7
DOIs	https://doi.org/10.3788/COL20090707.0640
State	Published - Jul 2009
Externally published	Yes

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abstract = "We investigate theoretically two-photon absorption spectroscopy modified by a control field in a confined Y-type four-level system. Dicke-narrowing effect occurs both in two-photon absorption lines and the dips of transparency against two-photon absorption due to enhanced contribution of slow atoms. We also find that the suppression and the enhancement of two-photon absorption can be modified by changing the strength of the control field and the detuning of three laser fields. This control of two-photon absorption may have some applications in information processing and optical devices.",

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AU - Zhang, Yanpeng

AU - Hou, Xun

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N2 - We investigate theoretically two-photon absorption spectroscopy modified by a control field in a confined Y-type four-level system. Dicke-narrowing effect occurs both in two-photon absorption lines and the dips of transparency against two-photon absorption due to enhanced contribution of slow atoms. We also find that the suppression and the enhancement of two-photon absorption can be modified by changing the strength of the control field and the detuning of three laser fields. This control of two-photon absorption may have some applications in information processing and optical devices.

AB - We investigate theoretically two-photon absorption spectroscopy modified by a control field in a confined Y-type four-level system. Dicke-narrowing effect occurs both in two-photon absorption lines and the dips of transparency against two-photon absorption due to enhanced contribution of slow atoms. We also find that the suppression and the enhancement of two-photon absorption can be modified by changing the strength of the control field and the detuning of three laser fields. This control of two-photon absorption may have some applications in information processing and optical devices.

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DO - 10.3788/COL20090707.0640

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SP - 640

EP - 642

JO - Chinese Optics Letters

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ER -

Theoretical analysis on two-photon absorption spectroscopy in a confined four-level atomic system

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