Title :
Phase shifted dual-mode laser for continuous-wave THz generation/detection
Author :
Kim, Namje ; Leem, Young Ahn ; Han, Sang-Pil ; Ko, Hyunsung ; Ryu, Han-Cheol ; Park, Jeong-Woo ; Lee, Donghun ; Jeon, Min Yong ; Park, Kyung Hyun
Author_Institution :
THz Photonics Creative Res. Center, ETRI, Daejeon, South Korea
Abstract :
The phase shifted dual-mode laser diode (DML) is demonstrated for the optical beat source of continuous wave THz system. Optical beat frequency can be continuously tuned from 0.22 THz to 1.15 THz. High side mode suppression ratio of 40 dB is obtained through whole tuning range.
Keywords :
laser tuning; semiconductor lasers; terahertz wave detectors; terahertz wave generation; continuous tuning; continuous-wave THz generation/detection; frequency 0.22 THz to 1.15 THz; optical beat frequency; optical beat source; phase shifted dual-mode laser diode; Diode lasers; Optical device fabrication; Optical feedback; Optical polarization; Optical reflection; Power generation; Tuning;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location :
Houston, TX
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2027
DOI :
10.1109/irmmw-THz.2011.6105048
