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Multiwavelength Lasers for WDM-PON Optical Line Terminal Source by Silica Planar Lightwave Circuit Hybrid Integration

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7 Author(s)
Su Hwan Oh ; Electron. & Telecommun. Res. Inst., Daejeon ; Yoon-Jung Park ; Sung-Bock Kim ; Sahnggi Park
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We have demonstrated a very compact eight-channel 200-GHz-spacing multiwavelength laser (MWL) module for the optical line terminal source of wavelength-division-multiplexing passive optical network. The wavelength shift of MWLs and external cavity lasers from the ITU grid was within +0.14 nm for eight channels, which was well matched to the target wavelength shift of less than plusmn0.2 nm. The oscillation characteristics of our MWL module are better than those of conventional MWLs with hybrid integration.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 20 )