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Proceedings Paper

Analysis of THz pulses using the FDTD calculation method
Author(s): Zhi-Sheng Piao; Masahiko Tani; Kiyomi Sakai
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Paper Abstract

This paper summarizes algorithms, which extend the finite- difference time-domain calculation method to solve Maxwell's equations for terahertz (THz) electromagnetic radiation from photoconductive materials pumped by femtosecond laser pulses. In the calculations, we include transient electric conductivity by considering carrier dynamics. By using the newly proposed algorithms, we calculated the THz radiation from photoconductive antennas. The preliminary calculation results about the THz pulse generation, propagation, and radiation pattern are presented.

Paper Details

Date Published: 28 March 2000
PDF: 8 pages
Proc. SPIE 3940, Ultrafast Phenomena in Semiconductors IV, (28 March 2000); doi: 10.1117/12.381458
Show Author Affiliations
Zhi-Sheng Piao, Communications Research Lab. (Japan)
Masahiko Tani, Communications Research Lab. (Japan)
Kiyomi Sakai, Communications Research Lab. (Japan)


Published in SPIE Proceedings Vol. 3940:
Ultrafast Phenomena in Semiconductors IV
Kong-Thon F. Tsen; Jin-Joo Song, Editor(s)

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