Title :
60GHz CMOS-APD optoelectronic mixers with optimized conversion efficiency
Author :
Kim, Jae-Young ; Lee, Myung-Jae ; Choi, Woo-Young
Author_Institution :
Dept. of Electr. Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
A harmonic optoelectronic mixer based on CMOS avalanche photodiode is designed for optimized conversion efficiency in 60-GHz band. By reducing P-N junction capacitance in the avalanche photo-detection region and parasitic n-well/substrate capacitance, the supplied 30-GHz LO is efficiently converted to the 60-GHz harmonic LO signal and generates up-converted RF signals from optical IF. In addition, the silicide layer under the metal contact reduces the parasitic resistance and enhances the mixer conversion efficiency.
Keywords :
CMOS digital integrated circuits; avalanche photodiodes; integrated optics; integrated optoelectronics; microwave photonics; millimetre wave mixers; optical communication equipment; optical fibre networks; optical harmonic generation; photodetectors; radio-over-fibre; wireless channels; CMOS-APD harmonic optoelectronic mixers; RF signal; avalanche photodetection; bandwidth 60 GHz; fiber-fed millimeter-wave wireless system; harmonic local oscillator signal; metal contact; optical design; optical intermediate-frequency; optimized conversion efficiency; p-n junction capacitance; parasitic n-well capacitance; parasitic resistance; silicide layer; substrate capacitance; Harmonic analysis; Mixers; Optical device fabrication; Optical fibers; Optical mixing;
Conference_Titel :
Microwave Photonics (MWP), 2010 IEEE Topical Meeting on
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4244-7824-8
DOI :
10.1109/MWP.2010.5664195
