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Double dark resonance in inverted Y system and its application in attenuating the optical switching action

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Abstract

Electromagnetically Induced Transparency as a novel type optical memory has gained enough attention in the field of research related to optical communication. This kind of transparency is an artificially created spectral window used to slow and spatially compress light pulses. Hence controlling and manipulation of such transparency window in a multilevel atom-photon system will, in turn, help in opening newer avenues of applications. In the present work an inverted Y linkage (established in the 5S1/2 → 5P3/2 → 5D5/2 hyperfine levels of 87Rb atom) is used for this purpose. The formation of matched double dark resonance in the system has been studied in details. On the application front we have demonstrated using the system as an attenuator of optical switch. This type of necessity may arise for futuristic optical communication system. Overall the system response resembles the performance of a combination logic gate.

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Authors and Affiliations

  1. Radioactive Ion Beam Group, Variable Energy Cyclotron Centre, 700064, Kolkata, India

    Sabir Ali, Ayan Ray & Alok Chakrabarti

Authors
  1. Sabir Ali
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  2. Ayan Ray
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  3. Alok Chakrabarti
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Correspondence to Sabir Ali.

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Ali, S., Ray, A. & Chakrabarti, A. Double dark resonance in inverted Y system and its application in attenuating the optical switching action. Eur. Phys. J. D 70, 27 (2016). https://doi.org/10.1140/epjd/e2015-60533-5

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  • DOI: https://doi.org/10.1140/epjd/e2015-60533-5

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