Terahertz radiation generated and detected by Br+-irradiated In0.53Ga0.47As photoconductive antenna excited at 800 nm wavelength

Terahertz radiation generated and detected by Br+-irradiated In0.53Ga0.47As photoconductive antenna excited at 800 nm wavelength

The authors investigate the generation and the detection of terahertz radiation by Br+-irradiated In0.53Ga0.47As photoconductive antennas using an optical excitation at 800nm wavelength. The detected temporal wave form presents a full width at half maximum of 650fs. The signal-to-noise ratio and fre...

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Veröffentlicht in:Applied physics letters 2006, Vol.89, p.83519-1-3
Hauptverfasser: Chimot, Nicolas, Mangeney, Juliette, Mounaix, Patrick, Tondusson, Marc, Blary, Karine, Lampin, Jean-Francois
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container_title Applied physics letters
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creator Chimot, Nicolas
Mangeney, Juliette
Mounaix, Patrick
Tondusson, Marc
Blary, Karine
Lampin, Jean-Francois
description The authors investigate the generation and the detection of terahertz radiation by Br+-irradiated In0.53Ga0.47As photoconductive antennas using an optical excitation at 800nm wavelength. The detected temporal wave form presents a full width at half maximum of 650fs. The signal-to-noise ratio and frequency range of the emitted terahertz radiations are similar to those emitted by low-temperature-grown GaAs photoconductive antennas. The dependences of terahertz wave form amplitude on optical pump power for both Br+-irradiated In0.53Ga0.47As and low-temperature-grown GaAs photoconductive antennas are investigated and compared.
doi_str_mv 10.1063/1.2338538
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title Terahertz radiation generated and detected by Br+-irradiated In0.53Ga0.47As photoconductive antenna excited at 800 nm wavelength
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