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Photo-Dember terahertz emitter excited with an Er:fiber laser
Klatt, G., Surrer, B., Stephan, D., Schubert, Olaf, Fischer, M., Faist, J., Leitenstorfer, A., Huber, Rupert and Dekorsy, T. (2011) Photo-Dember terahertz emitter excited with an Er:fiber laser. Applied Physics Letters 98, 021114.Date of publication of this fulltext: 15 Oct 2014 11:32
Article
DOI to cite this document: 10.5283/epub.30889
Abstract
A terahertz emitter based on the lateral photo-Dember effect is shown to efficiently generateterahertz radiation with a peak frequency of 0.7 THz and an electric field amplitude up to 5 V/cm when excited by 90 fs pulses centered at 1.55 μm. A thin layer of In0.53Ga0.47As grown on InP provides the substrate material in which unidirectional lateral photo-Dember currents are excited. Since ...
A terahertz emitter based on the lateral photo-Dember effect is shown to efficiently generateterahertz radiation with a peak frequency of 0.7 THz and an electric field amplitude up to 5 V/cm when excited by 90 fs pulses centered at 1.55 μm. A thin layer of In0.53Ga0.47As grown on InP provides the substrate material in which unidirectional lateral photo-Dember currents are excited. Since photo-Dember terahertz emitters do not require an external bias, they do not suffer from high dark currents limiting the application of biased InGaAs photoconductive terahertz emitters.
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Details
| Item type | Article | ||||
| Journal or Publication Title | Applied Physics Letters | ||||
| Publisher: | American Institute of Physics | ||||
|---|---|---|---|---|---|
| Volume: | 98 | ||||
| Page Range: | 021114 | ||||
| Date | 2011 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Chair Professor Huber > Group Rupert Huber | ||||
| Identification Number |
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| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | No | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-308890 | ||||
| Item ID | 30889 |
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