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Fully stabilized electroabsorption-modulated tunable DBR laser transmitter for long-haul optical communications

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21 Author(s)
J. E. Johnson ; Lucent Technol. Bell Labs., Murray Hill, NJ, USA ; L. J. -P. Ketelsen ; D. A. Ackerman ; Liming Zhang
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We report on a fully functional 2.5-Gb/s electroabsorption (EA)-modulated wavelength-selectable laser module meeting all long-haul transmission requirements for stability, chirp, power and linewidth over 20 channels on a 50-GHz grid. Based on a highly integrated InP chip comprising a distributed Bragg reflector (DBR) laser, semiconductor optical amplifier, power monitor, and EA-modulator, the compact transmitter module also contains optics and control circuits necessary to ensure simultaneous long-term wavelength and mode stability. We have achieved 2.5-Gb/s transmission on all 20 channels over 680 km of standard fiber

Published in:

IEEE Journal of Selected Topics in Quantum Electronics  (Volume:7 ,  Issue: 2 )