### Abstract

We solve the Maxwell-Bloch equations of resonant nonlinear optics using GPUs and compare the computation times with traditional single- and multithreaded programs. A detailed benchmarking of programs as a function of various parameters shows how the massive parallelism built into GPUs becomes more and more advantageous as the physical problem becomes more and more demanding. For the case of multimode light propagating through an inhomogeneously broadened medium of many-level quantum systems, the program executing on GPUs can be over 20 times faster than that executing on all cores of a modern CPU. The methods presented can be applied in a wide area of atomic physics where the time evolution of atomic ensembles is to be computed.

Original language | English |
---|---|

Pages (from-to) | 1203-1210 |

Number of pages | 8 |

Journal | Computer Physics Communications |

Volume | 184 |

Issue number | 4 |

DOIs | |

Publication status | Published - Apr 2013 |

### Fingerprint

### Keywords

- CUDA
- GPU
- Maxwell-Bloch equations
- Pulse propagation
- Quantum ensembles
- Resonant nonlinear optics

### ASJC Scopus subject areas

- Hardware and Architecture
- Physics and Astronomy(all)

### Cite this

**Solving the Maxwell-Bloch equations for resonant nonlinear optics using GPUs.** / Demeter, G.

Research output: Contribution to journal › Article

*Computer Physics Communications*, vol. 184, no. 4, pp. 1203-1210. https://doi.org/10.1016/j.cpc.2012.12.019

}

TY - JOUR

T1 - Solving the Maxwell-Bloch equations for resonant nonlinear optics using GPUs

AU - Demeter, G.

PY - 2013/4

Y1 - 2013/4

N2 - We solve the Maxwell-Bloch equations of resonant nonlinear optics using GPUs and compare the computation times with traditional single- and multithreaded programs. A detailed benchmarking of programs as a function of various parameters shows how the massive parallelism built into GPUs becomes more and more advantageous as the physical problem becomes more and more demanding. For the case of multimode light propagating through an inhomogeneously broadened medium of many-level quantum systems, the program executing on GPUs can be over 20 times faster than that executing on all cores of a modern CPU. The methods presented can be applied in a wide area of atomic physics where the time evolution of atomic ensembles is to be computed.

AB - We solve the Maxwell-Bloch equations of resonant nonlinear optics using GPUs and compare the computation times with traditional single- and multithreaded programs. A detailed benchmarking of programs as a function of various parameters shows how the massive parallelism built into GPUs becomes more and more advantageous as the physical problem becomes more and more demanding. For the case of multimode light propagating through an inhomogeneously broadened medium of many-level quantum systems, the program executing on GPUs can be over 20 times faster than that executing on all cores of a modern CPU. The methods presented can be applied in a wide area of atomic physics where the time evolution of atomic ensembles is to be computed.

KW - CUDA

KW - GPU

KW - Maxwell-Bloch equations

KW - Pulse propagation

KW - Quantum ensembles

KW - Resonant nonlinear optics

UR - http://www.scopus.com/inward/record.url?scp=84873195096&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84873195096&partnerID=8YFLogxK

U2 - 10.1016/j.cpc.2012.12.019

DO - 10.1016/j.cpc.2012.12.019

M3 - Article

VL - 184

SP - 1203

EP - 1210

JO - Computer Physics Communications

JF - Computer Physics Communications

SN - 0010-4655

IS - 4

ER -