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Journal Article
Wavelength-Tuning of Hybrid Integrated Multiwavelength Lasers Using a Heater
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- Authors
- Su Hwan Oh, Jang-Uk Shin, Yoon-Jung Park, Sang-Ho Park, Ki Soo Kim, Sung-Bock Kim, Hee-Kyung Sung, Yong-Soon Baek, Kwang-Ryong Oh
- Issue Date
- 2008-03
- Citation
- IEEE Photonics Technology Letters, v.20, no.6, pp.422-424
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- 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. © 2008 IEEE.
- KSP Keywords
- Direct modulation, Mode hopping, Multiwavelength lasers, Novel configuration, Tuning heater, Wavelength Division Multiplexing(WDM), Wavelength-division-multiplexing passive optical network(WDM-PON), cost-effective, wavelength tuning