Analysis of THz pulses using the FDTD calculation method

Zhi-Sheng Piao; Masahiko Tani; Kiyomi Sakai

doi:10.1117/12.381458

28 March 2000 Analysis of THz pulses using the FDTD calculation method

Zhi-Sheng Piao, Masahiko Tani, Kiyomi Sakai

Proceedings Volume 3940, Ultrafast Phenomena in Semiconductors IV; (2000) https://doi.org/10.1117/12.381458
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

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.

Citation Download Citation

Zhi-Sheng Piao, Masahiko Tani, and Kiyomi Sakai "Analysis of THz pulses using the FDTD calculation method", Proc. SPIE 3940, Ultrafast Phenomena in Semiconductors IV, (28 March 2000); https://doi.org/10.1117/12.381458

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