Efficient THz-emitters for low-temperature-grown GaAs photomixers

C. Sydlo1, J. Sigmund1, H.L. Hartnagel1, G. Loata2, K.J. Siebert2, H.G. Roskos2
1Institute Of Microwave Engineering, Darmstadt University of Technology, Darmstadt, Germany
2Physical Instiute, University of Frankfurt, Frankfurt, Germany

Tóm tắt

Different design techniques have been applied to low-temperature grown (LT-) GaAs photomixers and the respective antennas to increase the efficiency and output power of these devices. High DC-photocurrents have been achieved with interdigitated structures and transmission lines have been used to improve matching between antenna and photomixer. The input impedances of antenna structures on GaAs substrate have been investigated and optimised for matching and technological feasibility.

Từ khóa

#Gallium arsenide #Impedance #Fingers #Photoconductivity #Substrates #Conductivity #Voltage #Power transmission lines #Biomembranes #Molecular beam epitaxial growth

Tài liệu tham khảo

balanis, 0, Antenna Theory Second Edition, 379 10.1109/SMICND.2000.889124 0, Company Website 10.1109/22.506449