Terahertz electromagnetic generation via ...
Document type :
Article dans une revue scientifique
Title :
Terahertz electromagnetic generation via optical frequency difference
Author(s) :
Peytavit, Emilien [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Mouret, Gaël [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Lampin, Jean-Francois [Auteur]
Arscott, S. [Auteur]
Desplanque, L. [Auteur]
Vanbésien, O. [Auteur]
Bocquet, Robin [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Mollot, F. [Auteur]
Lippens, D. [Auteur]
Masselin, Pascal [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Mouret, Gaël [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Lampin, Jean-Francois [Auteur]
Arscott, S. [Auteur]
Desplanque, L. [Auteur]
Vanbésien, O. [Auteur]
Bocquet, Robin [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Mollot, F. [Auteur]
Lippens, D. [Auteur]
Masselin, Pascal [Auteur]
Laboratoire de Physico-Chimie de l'Atmosphère [LPCA]
Journal title :
IEE Proceedings. Optolectronics
Pages :
82-87
Publication date :
2002-06
HAL domain(s) :
Physique [physics]
English abstract : [en]
Electromagnetic generation between 0.1 and 3 terahertz has been demonstrated using ultrafast photodetectors loaded by broadband antennas and pumped by 0.8 μm stable lasers. Ultrashort response times have been achieved by ...
Show more >Electromagnetic generation between 0.1 and 3 terahertz has been demonstrated using ultrafast photodetectors loaded by broadband antennas and pumped by 0.8 μm stable lasers. Ultrashort response times have been achieved by means of low-temperature-grown (LTG) GaAs in a deep submicron interdigited technology. The 3 dB cutoff frequency is around 650 GHz with an expected output power of the order of a few tenths of a microwatt in the lower part of the spectrum, depending on the thermal post-processing conditions. Possible improvements via long wavelength laser pumping and a Fabry-Perot cavity-like approach are discussed on the basis of a vertical device scheme.Show less >
Show more >Electromagnetic generation between 0.1 and 3 terahertz has been demonstrated using ultrafast photodetectors loaded by broadband antennas and pumped by 0.8 μm stable lasers. Ultrashort response times have been achieved by means of low-temperature-grown (LTG) GaAs in a deep submicron interdigited technology. The 3 dB cutoff frequency is around 650 GHz with an expected output power of the order of a few tenths of a microwatt in the lower part of the spectrum, depending on the thermal post-processing conditions. Possible improvements via long wavelength laser pumping and a Fabry-Perot cavity-like approach are discussed on the basis of a vertical device scheme.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Source :