Title :
Generation and Detection of THz Waves by 1.55 μm Pulse Excitation of InGaAs Photoconductive Antennas
Author :
Kadoya, Y. ; Takazato, A. ; Kamakura, M. ; Kitagawa, J.
Author_Institution :
Hiroshima Univ., Hiroshima
Abstract :
THz-emission and detection by photoconductive antennas made on low-temperature-grown (LTG) InGaAs with 1.56 μm pulse excitation were investigated. The THz spectra exceeding 2 THz with the peak to noise ratio higher than a hundred were obtained with the InGaAs antennas.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; photoconducting devices; submillimetre wave antennas; submillimetre wave detectors; submillimetre wave generation; submillimetre wave spectra; InGaAs; THz waves detection; THz waves generation; THz-emission; frequency 2 THz; photoconductive antennas; pulse excitation; wavelength 1.55 μm; Annealing; Antenna measurements; Conductivity; Gallium arsenide; Indium gallium arsenide; PSNR; Photoconductivity; Pulse generation; Substrates; Transmission line antennas;
Conference_Titel :
Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006. IRMMW-THz 2006. Joint 31st International Conference on
Conference_Location :
Shanghai
Print_ISBN :
1-4244-0399-5
Electronic_ISBN :
1-4244-0400-2
DOI :
10.1109/ICIMW.2006.368741
