Adiabatic Population Transfer Based on a Double Stimulated Raman Adiabatic Passage

Stimulated Raman adiabatic passage (STIRAP) is an adiabatic population-transfer technique that uses two coherent laser pulses in counter-intuitive order, namely, pump and stoke, to achieve complete transfer between two quantum states. Here, we propose a double STIRAP scheme whereby the electronic le...

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Bibliographic Details
Published inJournal of Russian laser research Vol. 35; no. 6; pp. 547 - 554
Main Authors Akram, Muhammad Javed, Saif, Farhan
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.11.2014
Subjects
Adiabatic flow
Dynamic tests
Electronics
Fluid flow
Lasers
Mathematical analysis
Microwaves
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Pumps
RF and Optical Engineering
Unity
master equation
coherent population trapping
dark state
STIRAP
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Summary:Stimulated Raman adiabatic passage (STIRAP) is an adiabatic population-transfer technique that uses two coherent laser pulses in counter-intuitive order, namely, pump and stoke, to achieve complete transfer between two quantum states. Here, we propose a double STIRAP scheme whereby the electronic levels of a four-level atom are coupled by three laser fields forming two pairs of stoke and pump pulses. We derive the optical Bloch equations through the master equation for studying the population dynamics. We show that manipulating the time between two STIRAP sequences provides the state transfer near unity. In particular, we show that there occurs a certain maximum transfer efficiency that can be achieved in the double STIRAP process.
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ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-014-9461-0