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Competition effects of multiple quantum paths in an atom interferometer.

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Title: Competition effects of multiple quantum paths in an atom interferometer.
Authors: Lu, Si-Bin1,2,3, Yao, Zhan-Wei1,2, Li, Run-Bing1,2 rbli@wipm.ac.cn, Luo, Jun1,2, Barthwal, Sachin1,2, Chen, Hong-Hui1,2,3, Lu, Ze-Xi1,2,3, Wang, Jin1,2 wangjin@wipm.ac.cn, Zhan, Ming-Sheng1,2 mszhan@wipm.ac.cn
Source: Optics Communications. Dec2018, Vol. 429, p158-162. 5p.
Subjects: Atom interferometers, Quantum well lasers, Quantum optics, Optical measurements, Raman spectroscopy
Abstract: Abstract We present an observation of competition effect among multiple quantum paths in a Raman-type Mach–Zehnder atom interferometer. The contrast of interference fringes is studied in a co-propagating three-Raman-pulse atom interferometer. By measuring the contrast of fringes, the competition effect among multiple interference paths is experimentally investigated. Due to the phase competition, the contrast periodically oscillates when modulating either the phase or the interrogation time between Raman pulses. The multiple quantum paths form because of the imperfect population transfer efficiency in stimulated Raman transitions, and are verified by modulating the duration of Raman pulses. The contrast could be optimized by suppressing the phase competition. [ABSTRACT FROM AUTHOR]
Copyright of Optics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 131631807
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Competition effects of multiple quantum paths in an atom interferometer.
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  Data: <searchLink fieldCode="AR" term="%22Lu%2C+Si-Bin%22">Lu, Si-Bin</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Yao%2C+Zhan-Wei%22">Yao, Zhan-Wei</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Run-Bing%22">Li, Run-Bing</searchLink><relatesTo>1,2</relatesTo><i> rbli@wipm.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Jun%22">Luo, Jun</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Barthwal%2C+Sachin%22">Barthwal, Sachin</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Chen%2C+Hong-Hui%22">Chen, Hong-Hui</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Lu%2C+Ze-Xi%22">Lu, Ze-Xi</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Jin%22">Wang, Jin</searchLink><relatesTo>1,2</relatesTo><i> wangjin@wipm.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Zhan%2C+Ming-Sheng%22">Zhan, Ming-Sheng</searchLink><relatesTo>1,2</relatesTo><i> mszhan@wipm.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Optics+Communications%22">Optics Communications</searchLink>. Dec2018, Vol. 429, p158-162. 5p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Atom+interferometers%22">Atom interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+well+lasers%22">Quantum well lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+optics%22">Quantum optics</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+measurements%22">Optical measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract We present an observation of competition effect among multiple quantum paths in a Raman-type Mach–Zehnder atom interferometer. The contrast of interference fringes is studied in a co-propagating three-Raman-pulse atom interferometer. By measuring the contrast of fringes, the competition effect among multiple interference paths is experimentally investigated. Due to the phase competition, the contrast periodically oscillates when modulating either the phase or the interrogation time between Raman pulses. The multiple quantum paths form because of the imperfect population transfer efficiency in stimulated Raman transitions, and are verified by modulating the duration of Raman pulses. The contrast could be optimized by suppressing the phase competition. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Optics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.optcom.2018.08.016
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 158
    Subjects:
      – SubjectFull: Atom interferometers
        Type: general
      – SubjectFull: Quantum well lasers
        Type: general
      – SubjectFull: Quantum optics
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      – SubjectFull: Optical measurements
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      – SubjectFull: Raman spectroscopy
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      – TitleFull: Competition effects of multiple quantum paths in an atom interferometer.
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              Text: Dec2018
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              Y: 2018
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              Value: 429
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