Title :
Wavelength-Tuning of Hybrid Integrated Multiwavelength Lasers Using a Heater
Author :
Oh, Su Hwan ; Shin, Jang-Uk ; Park, Yoon-Jung ; Park, Sang-Ho ; Kim, Ki Soo ; Kim, Sung-Bock ; Sung, Hee-Kyung ; Baek, Yong-Soon ; Oh, Kwang-Ryong
Author_Institution :
Electron. & Telecommun. Res. Inst. (ETRI), Daejeon
fDate :
3/15/2008 12:00:00 AM
Abstract :
We propose and demonstrate very compact multiwavelength lasers (MWLs) with a novel configuration designed to remove the mode hopping in the modulation region and separate the wavelength-tuning of each channel for cost-effective optical line termination sources in the wavelength-division-multiplexing passive optical network. The mode hopping of MWLs in the modulation region was eliminated by wavelength trimming using a tuning heater. The MWLs operated successfully in direct modulation for 1.25-Gb/s transmission over 20 km.
Keywords :
integrated optoelectronics; laser tuning; optical communication equipment; optical fibre networks; optical modulation; passive networks; wavelength division multiplexing; bit rate 1.25 Gbit/s; distance 20 km; mode hopping; modulation region; multiwavelength lasers; optical line termination sources; tuning heater; wavelength trimming; wavelength-division-multiplexing passive optical network; wavelength-tuning; Arrayed waveguide gratings; Distributed feedback devices; Fiber lasers; High speed optical techniques; Laser modes; Laser tuning; Optical feedback; Optical modulation; Optical network units; Passive optical networks; High order grating; hybrid integration; multiwavelength lasers (MWLs); tuning heater; wavelength tuning;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2008.916970
