June 19, 2026 Software Open Access

Hanel, Tim; Eckert, Carlchristian; Haenel, Tobias; Zenker, Erik; Albach, Daniel; Bussmann, Michael

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  <identifier identifierType="DOI">10.14278/rodare.4725</identifier>
  <creators>
    <creator>
      <creatorName>Hanel, Tim</creatorName>
      <givenName>Tim</givenName>
      <familyName>Hanel</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0009-0008-6324-3946</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Eckert, Carlchristian</creatorName>
      <givenName>Carlchristian</givenName>
      <familyName>Eckert</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6459-0842</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Haenel, Tobias</creatorName>
      <givenName>Tobias</givenName>
      <familyName>Haenel</familyName>
      <affiliation>Technische Universität Dresden</affiliation>
    </creator>
    <creator>
      <creatorName>Zenker, Erik</creatorName>
      <givenName>Erik</givenName>
      <familyName>Zenker</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-9417-8712</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Albach, Daniel</creatorName>
      <givenName>Daniel</givenName>
      <familyName>Albach</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-5602-3007</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Bussmann, Michael</creatorName>
      <givenName>Michael</givenName>
      <familyName>Bussmann</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-8258-3881</nameIdentifier>
    </creator>
  </creators>
  <titles>
    <title>HASEonGPU Software - High performance Amplified Spontaneous Emission on GPU</title>
  </titles>
  <publisher>Rodare</publisher>
  <publicationYear>2026</publicationYear>
  <subjects>
    <subject>laser</subject>
    <subject>laser-physics</subject>
    <subject>laser-construction</subject>
    <subject>high-intensity laser pulse</subject>
    <subject>high-power laser systems</subject>
    <subject>amplified spontaneous emission</subject>
    <subject>ASE</subject>
    <subject>gain media</subject>
    <subject>Monte Carlo ray tracing</subject>
    <subject>HPC</subject>
    <subject>GPU</subject>
    <subject>CUDA</subject>
    <subject>HIP</subject>
    <subject>MPI</subject>
    <subject>alpaka</subject>
    <subject>alpaka3</subject>
    <subject>C++20</subject>
    <subject>C++</subject>
    <subject>Python</subject>
    <subject>heterogeneous computing</subject>
    <subject>distributed computing</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2026-06-19</date>
  </dates>
  <resourceType resourceTypeGeneral="Software"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://rodare.hzdr.de/record/4725</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites">10.1016/j.cpc.2016.05.019</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites">10.1364/OE.17.003792</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsSupplementTo">https://github.com/computationalradiationphysics/haseongpu</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsSupplementTo">https://www.hzdr.de/publications/Publ-20690</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsSupplementTo">https://www.hzdr.de/publications/Publ-24191</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsDocumentedBy">https://haseongpu.readthedocs.io/en/latest/</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsIdenticalTo">https://www.hzdr.de/publications/Publ-43533</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.14278/rodare.4724</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/hzdr</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/rodare</relatedIdentifier>
  </relatedIdentifiers>
  <version>2.0.0</version>
  <rightsList>
    <rights rightsURI="https://opensource.org/licenses/GPL-3.0">GNU General Public License v3.0 or later</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">HASEonGPU is open-source HPC software for calculating amplified spontaneous emission (ASE) flux in laser gain media. It supports the design and analysis of high-power laser systems by estimating ASE flux in configurable gain media using a Monte Carlo ray-tracing approach.
Release 2.0.0 introduces a redesigned Python API, for setting up custom laser simulation workflows and inspecting the development of gain and ASE flux over multiple iterations. The API includes library utilities for geometry construction, laser pumping, and time integration.
Additionally, HASEonGPU is the first scientific software project to adopt the new heterogeneous programming library alpaka 3 (https://github.com/alpaka-group/alpaka3). It leverages alpaka 3's redesigned programming interface and enhanced utilities, including SIMD abstractions, to support ASE calculations on CPU and GPU (CUDA, HIP) backends with improved performance portability.</description>
  </descriptions>
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