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Generation of 2.5-ps light pulses with 15-nm wavelength tunability at 1.3 mu m by a self-seeded gain-switched semiconductor laser

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3 Author(s)
Schell, M. ; Inst. fur Festkorperphys., Tech. Univ. Berlin, Germany ; Huhse, D. ; Bimberg, D.

The generation of 2.5-ps pulses by a Fabry-Perot semiconductor laser with 15-nm wavelength tunability is demonstrated. A commercial laser is switched to single longitudinal mode pulse emission by self-seeding, using an external grating. The sidemode suppression ratio is better than 15 dB, with a peak value of 21 dB. The linearly red chirped pulses are compressed from 21-30 ps to 2.5-3.5 ps in a dispersion-shifted fiber. The simple experimental setup consists of a fiber coupler, a grating, and the dispersion-shifted fiber.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 11 )