Title :
Travelling-wave type photomixer with a high responsivity and a high 3dB bandwidth
Author :
Park, Jeong-Woo ; Shin, Jun-Hwan ; Ryu, Han-Cheol ; Han, Sang-Pil ; Kim, Namje ; Ko, Hyunsung ; Park, Kyung Hyun
Author_Institution :
THz Photonics Creative Res. Center, ETRI, Daejeon, South Korea
Abstract :
A high-speed travelling-wave photodetector (TWPD) with an InGaAs absorber was designed and realized. The bandwidth of the TWPD was measured as 210GHz using electro-optic sampling techniques. This kind of device can be used for THz photomixer.
Keywords :
III-V semiconductors; electro-optical devices; gallium arsenide; indium compounds; photodetectors; terahertz wave devices; InGaAs; THz photomixer; bandwidth 210 GHz; electro-optic sampling techniques; high-speed travelling-wave photodetector; travelling-wave type photomixer; Bandwidth; Electrooptical waveguides; Indium gallium arsenide; Optical fibers; Photodetectors; Reflection;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380217