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Comparison of photoexcited p-InAs THz radiation source with conventional thermal radiation sources

Smith, M. L.; Mendis, R.; Vickers, R. E. M.; Lewis, R. A.


P-type InAs excited by ultrashort optical pulses has been shown to be a strong emitter of terahertz radiation. In a direct comparison between a p-InAs emitter and conventional thermal radiationsources, we demonstrate that under typical excitation conditions p-InAs produces more radiation below 1.2 THz than a globar. By treating the globar as a blackbody emitter we calibrate a siliconbolometer which is used to determine the power of the p-InAs emitter. The emitted terahertz power was found to be...[Show more]

CollectionsANU Research Publications
Date published: 2009-03-25
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.3095758


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