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Proceedings Paper

Modeling terahertz radiation from a photoconducting structure
Author(s): Kate A. Remley; Andreas Weisshaar; Vijai K. Tripathi; Stephen M. Goodnick
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Paper Abstract

Accurate characterization of the electromagnetic radiation arising from photoconducting systems is discussed. A computational technique is presented which combines the finite-difference time domain method with a spatial transformation, the Kirchhoff surface integral formulation. The technique enables incorporation of any number of material parameters while accurately accounting for the potentially wide-band nature of the radiation in an efficient computational method. Results are presented demonstrating a more accurate portrait of the radiation arising from a photoconducting structure than has been previously reported. Based on the simulation results, a simple model incorporating equivalent dipole sources is developed. Good agreement is shown between simulation results and measurements of similar structures.

Paper Details

Date Published: 26 October 1999
PDF: 10 pages
Proc. SPIE 3794, Materials and Electronics for High-Speed and Infrared Detectors, (26 October 1999); doi: 10.1117/12.366745
Show Author Affiliations
Kate A. Remley, Oregon State Univ. (United States)
Andreas Weisshaar, Oregon State Univ. (United States)
Vijai K. Tripathi, Oregon State Univ. (United States)
Stephen M. Goodnick, Arizona State Univ. (United States)

Published in SPIE Proceedings Vol. 3794:
Materials and Electronics for High-Speed and Infrared Detectors
Walter F. Kailey; Stephen M. Goodnick; Randolph E. Longshore; Walter F. Kailey; Randolph E. Longshore; YongHang Zhang, Editor(s)

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