200 GHz-spacing 8-channel multi-wavelength lasers for WDM-PON optical line terminal sources

We have fabricated modules of 8-channel multi-wavelength lasers (MWLs) with a wavelength separation of 200 GHz for the wavelength division multiplexed-passive optical network (WDM-PON) optical line terminal sources. The variation in the output power is minimized by inserting silicone between the sup...

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Bibliographic Details
Published in:Optics express 2009-05, Vol.17 (11), p.9401-9407
Main Authors: Oh, Su Hwan, Shin, Jang-Uk, Kim, Ki Soo, Lee, Dong-Hoon, Park, Sang-Ho, Sung, Hee-Kyung, Baek, Yong-Soon, Oh, Kwang-Ryong
Format: Article
Language:English
Subjects:
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Lasers
Lighting - instrumentation
Microwaves
Reproducibility of Results
Semiconductors
Sensitivity and Specificity
Signal Processing, Computer-Assisted
Telecommunications - instrumentation
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Summary:We have fabricated modules of 8-channel multi-wavelength lasers (MWLs) with a wavelength separation of 200 GHz for the wavelength division multiplexed-passive optical network (WDM-PON) optical line terminal sources. The variation in the output power is minimized by inserting silicone between the superluminescent diode (SLD) and the silica waveguide. The wavelength shift of each channel is less than 0.21 nm from the ITU grid and can be controlled in the range of 0.36 nm without any reductions of the output power by a tuning heater. MWLs operated successfully in the direct modulation for 1.25 Gbit/s transmissions over 20 km.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.17.009401