Title :
Si photonic integrated circuit for a compact and stable CW-THz spectrometer
Author :
Nishi, Hidetaka ; Kim, Jae-young ; Fukuda, Hiroshi ; Ho-Jin Song ; Tsuchizawa, Tai ; Yamada, Koji
Author_Institution :
NTT Nanophotonics Ctr., NTT Corp., Atsugi, Japan
Abstract :
A silicon photonic circuit for continuous-wave terahertz vector spectroscopy greatly reduces the physical size of the system and phase instability. Using off-chip uni-traveling-carrier photodiodes, we demonstrate fast and highly stable spectrometer.
Keywords :
elemental semiconductors; integrated optoelectronics; microwave photonics; photodiodes; silicon; terahertz spectroscopy; Si; compact CW-THz spectrometer; continuous-wave terahertz vector spectroscopy; off-chip unitraveling-carrier photodiodes; phase instability; silicon photonic integrated circuit; stable CW-THz spectrometer; Optical fiber amplifiers; Optical fiber couplers; Phase shifters; Photonics; Silicon; Spectroscopy; Vectors; Si photonics; THz spectroscopy; pin phase shifter;
Conference_Titel :
Group IV Photonics (GFP), 2014 IEEE 11th International Conference on
Conference_Location :
Paris
Print_ISBN :
978-1-4799-2282-6
DOI :
10.1109/Group4.2014.6961935
