GPGPU-based parallel computing of PIC-FDTD simulation for the development of novel terahertz radiation devices

Tsuyoshi Iwata; Akiko Okajima; Tatsunosuke Matsui

doi:10.1117/12.2038267

7 March 2014 GPGPU-based parallel computing of PIC-FDTD simulation for the development of novel terahertz radiation devices

Tsuyoshi Iwata, Akiko Okajima, Tatsunosuke Matsui

Author Affiliations +

Proceedings Volume 8980, Physics and Simulation of Optoelectronic Devices XXII; 89801V (2014) https://doi.org/10.1117/12.2038267
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Since Urata et al. reported on the Smith Purcell superradiance, numerous studies have been carried out to develop novel type of terahertz free electron lasers. The particle-in-cell finite-difference time-domain (PIC-FDTD) method has been widely employed to numerically study the process. We show our studies on the parallel computing based on the general purpose computation on the graphic processing unit (GPGPU) to accelerate our homemade PIC-FDTD simulation. We have succeeded in reducing the computational time to the quarter of that required for the same simulation using only CPU.

Citation Download Citation

Tsuyoshi Iwata, Akiko Okajima, and Tatsunosuke Matsui "GPGPU-based parallel computing of PIC-FDTD simulation for the development of novel terahertz radiation devices", Proc. SPIE 8980, Physics and Simulation of Optoelectronic Devices XXII, 89801V (7 March 2014); https://doi.org/10.1117/12.2038267

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