Journal article Open Access

Lasing in the superradiant crossover regime

Debnath, Kamanasish; Zhang, Yuan; Mølmer, Klaus


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  <identifier identifierType="URL">https://zenodo.org/record/3533156</identifier>
  <creators>
    <creator>
      <creatorName>Debnath, Kamanasish</creatorName>
      <givenName>Kamanasish</givenName>
      <familyName>Debnath</familyName>
      <affiliation>Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark</affiliation>
    </creator>
    <creator>
      <creatorName>Zhang, Yuan</creatorName>
      <givenName>Yuan</givenName>
      <familyName>Zhang</familyName>
      <affiliation>Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark</affiliation>
    </creator>
    <creator>
      <creatorName>Mølmer, Klaus</creatorName>
      <givenName>Klaus</givenName>
      <familyName>Mølmer</familyName>
      <affiliation>Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Lasing in the superradiant crossover regime</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2018</publicationYear>
  <subjects>
    <subject>nanoqtech</subject>
    <subject>rare earth</subject>
    <subject>quantum technologies</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2018-12-26</date>
  </dates>
  <resourceType resourceTypeGeneral="JournalArticle"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3533156</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/PhysRevA.98.063837</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/nanoqtech-h2020</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;A new class of laser, which harnesses coherence in both light and atoms, is possible with ultracold alkaline-earth-metal atoms trapped in an optical lattice inside an optical cavity. Different lasing regimes, including superradiance, superradiant, and conventional lasing, are distinguished by the relative coherence stored in the atoms and in the cavity mode. We analyze the physics in two different experimentally achievable regions of the superradiant lasing regime. Our calculations confirm the narrow linewidth of superradiant lasing for the doubly forbidden clock transition&amp;nbsp;&lt;sup&gt;3&lt;/sup&gt;P&lt;sub&gt;0&lt;/sub&gt;&amp;rarr;&lt;sup&gt;1&lt;/sup&gt;S&lt;sub&gt;0&lt;/sub&gt;&amp;nbsp;of&amp;nbsp;&lt;sup&gt;87&lt;/sup&gt;Sr&amp;nbsp;atoms. Under strong driving of the dipole-forbidden transition&amp;nbsp;&lt;sup&gt;3&lt;/sup&gt;P&lt;sub&gt;1&lt;/sub&gt;&amp;rarr;&lt;sup&gt;1&lt;/sup&gt;S&lt;sub&gt;0&lt;/sub&gt;&amp;nbsp;of&amp;nbsp;&lt;sup&gt;88&lt;/sup&gt;Sr&amp;nbsp;atoms, the superradiant linewidth narrows further due to the coherent excitation of the cavity field.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/712721/">712721</awardNumber>
      <awardTitle>Nanoscale Systems for Optical Quantum Technologies</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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