26 October 1999 Modeling terahertz radiation from a photoconducting structure
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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.
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Kate A. Remley, Kate A. Remley, Andreas Weisshaar, Andreas Weisshaar, Vijai K. Tripathi, Vijai K. Tripathi, Stephen M. Goodnick, Stephen M. Goodnick, } "Modeling terahertz radiation from a photoconducting structure", Proc. SPIE 3794, Materials and Electronics for High-Speed and Infrared Detectors, (26 October 1999); doi: 10.1117/12.366745; https://doi.org/10.1117/12.366745

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