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Improvement of the direct modulation behavior of semiconductor lasers by using a holding beam

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2 Author(s)
G. Morthier ; Dept. of Inf. Technol., Ghent Univ. IMEC, Gent, Belgium ; B. Moeyersoon

We show theoretically that the direct modulation properties of semiconductor lasers can be significantly improved by the injection of a so-called holding beam-a continuous-wave beam at the transparency wavelength of the gain medium. Both the small-signal and the large-signal behavior are investigated.

Published in:

IEEE Photonics Technology Letters  (Volume:16 ,  Issue: 7 )