Modeling terahertz radiation from a photoconducting structure

Kate A. Remley; Andreas Weisshaar; Vijai K. Tripathi; Stephen M. Goodnick

doi:10.1117/12.366745

26 October 1999 Modeling terahertz radiation from a photoconducting structure

Kate A. Remley, Andreas Weisshaar, Vijai K. Tripathi, Stephen M. Goodnick

Proceedings Volume 3794, Materials and Electronics for High-Speed and Infrared Detectors; (1999) https://doi.org/10.1117/12.366745
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

Citation Download Citation

Kate A. Remley, Andreas Weisshaar, Vijai K. Tripathi, and 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); https://doi.org/10.1117/12.366745

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