Reference : Terahertz-Radiation Photomixers on Nitrogen-Implanted GaAs, (2006) 117 - 120
Scientific congresses, symposiums and conference proceedings : Paper published in a journal
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/20374
Terahertz-Radiation Photomixers on Nitrogen-Implanted GaAs, (2006) 117 - 120
English
Mikulics, M. [Institute of Bio and Nanosystems, Research Centre Jülich, D-52425 Jülich, Germany, and Institut für Hochfrequenztechnik, Technische Universität Braunschweig, D-38106 Braunschweig, Germany]
Marso, Michel mailto [Institute of Bio and Nanosystems, Research Centre Jülich, D-52425 Jülich, Germany]
Stanček, S. [Slovak University of Technology, Department of Nuclear Physics and Technology, SK-81219 Bratislava, Slovak Republic]
Michael, E. A. [1. Physics Institute, University of Cologne, D-50937 Cologne, Germany]
Kordoš, P. [Institute of Electrical Engineering, Slovak Academy of Sciences, SK-84104 Bratislava, Slovak Republic, and Institute of Microelectronics, Slovak University of Technology, SK-81219 Bratislava, Slovak Republic]
2006
Proc. 6th Intern. Conf. Advanced Semicon. Dev. & Microsystems ASDAM’06
No
International
6th Intern. Conf. Advanced Semicon. Dev. & Microsystems ASDAM’06
2006
[en] We have fabricated and characterized photomixers based on high energy nitrogen-ion-implanted GaAs. For material optimization and annealing dynamics in MSM photodetector structures, we used 400 keV implantation energy with an ion dose of 1´1016 cm-2. For photomixer structures we used 3 MeV energy to implant N+ ions into GaAs substrates, with an ion concentration dose of 3´1012 cm-2. The N+-implanted GaAs photomixers exhibit improved output power in comparison to their counterparts, photomixers fabricated on low-temperature-grown GaAs. The highest output power was 2.6 μW at 850 GHz and about 1 μW at 1 THz. No saturation of the output power with increased bias voltage and optical input power was observed. These characteristics make N+-implanted GaAs the material of choice for efficient high power sources of terahertz radiation.
http://hdl.handle.net/10993/20374

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