Multimode effects in the spectral linewidth of semiconductor lasers
Journal Article
·
· IEEE J. Quant. Electron.; (United States)
We present experimental results on the spectral line width of one longitudinal laser mode of multimode semiconductor lasers with different emission wavelengths and different wave guiding. The dependence of line width on mode power cannot be described by a singlemode theory (modified Schawlow-Townes formula), for all lasers. The observed power independent contribution to the linewidth as well as the slope of the linewidth versus optical power data show significant multimode effects. A theoretical model for the linewidth of a twomode laser provides a qualitative description of the experimental results.
- Research Organization:
- Max-Planck-Institut fur Festkorperforschung, Stuttgart
- OSTI ID:
- 6080661
- Journal Information:
- IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. GE-21:6; ISSN IEJQA
- Country of Publication:
- United States
- Language:
- English
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