18 April 2000 Ridge waveguide 1.55-μm DFB lasers with uncooled 10-Gb/s operation at 55° C
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Proceedings Volume 3947, In-Plane Semiconductor Lasers IV; (2000) https://doi.org/10.1117/12.382100
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States
Abstract
Uncooled direct modulation of a 1.55 micrometers distributed feedback (DFB) laser is demonstrated at 10 Gbit/s is demonstrated. The small signal performance of the laser at 25 degree(s)C gives rise to a -3 dB bandwidth in excess of 9 GHz, reducing to 8 GHz at 55 degree(s)C. Under uncooled, direct modulation at 10 Gbit/s the back-to-back eye diagrams obtained at temperatures up to 55 degree(s)C are found to be open, with extinction ratios of 6 dB for a peak-to-peak current swing of 40 mA. Transmission at 10 Gbit/s over standard singlemode fiber, is demonstrated over 12 km with the uncooled device. Using this device, multi-level coding is demonstrated at 20 Gb/s, and transmission at 5 Gb/s over 700 m of multi-mode fiber at 60 degree(s)C.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Aeneas B. Massara, Kevin A. Williams, Richard V. Penty, Ian H. White, Frank H. G. M. Wijnands, Paul Crump, "Ridge waveguide 1.55-μm DFB lasers with uncooled 10-Gb/s operation at 55° C", Proc. SPIE 3947, In-Plane Semiconductor Lasers IV, (18 April 2000); doi: 10.1117/12.382100; https://doi.org/10.1117/12.382100
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