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HASEonGPU Software - High performance Amplified Spontaneous Emission on GPU

Hanel, Tim; Manethia, Aditya Kumar; Albach, Daniel; Widera, Rene

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    <subfield code="a">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 2.1.1 moves pump time stepping into the compiled C++/Alpaka backend, adds compiled frozen-RK4 and ASE controls, improves streamed output handling, and separates the private Python runtime from optional public C++ installation artifacts.
HASEonGPU uses alpaka 3 (https://github.com/alpaka-group/alpaka3) to support ASE calculations on CPU and GPU (CUDA, HIP) backends with improved performance portability.</subfield>
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Publication date:
July 27, 2026
DOI:
10.14278/rodare.4817

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Keyword(s):
laser laser-physics laser-construction high-intensity laser pulse high-power laser systems amplified spontaneous emission ASE gain media Monte Carlo ray tracing HPC GPU CUDA HIP MPI openPMD ADIOS2 HDF5 alpaka alpaka3 C++20 C++ Python heterogeneous computing distributed computing
Related identifiers:
Cites:
10.1016/j.cpc.2016.05.019, 10.1364/OE.17.003792
Documented by:
https://haseongpu.readthedocs.io/en/latest/
Supplement to:
https://github.com/computationalradiationphysics/haseongpu
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License (for files):
GNU General Public License v3.0 or later

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Version 2.1.1 10.14278/rodare.4817 Jul 27, 2026
Version 2.0.1 10.14278/rodare.4742 Jun 29, 2026
Version 2.0.0 10.14278/rodare.4725 Jun 19, 2026
Cite all versions? You can cite all versions by using the DOI 10.14278/rodare.4724. This DOI represents all versions, and will always resolve to the latest one. Read more.

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