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Conferences > CLEO > 1988 > MG > MG4
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1988),
  • paper MG4

Precise calculation of linewidth reduction in wavelength-detuned distributed feedback semiconductor lasers

K. KIKUCHI

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Abstract

Vahala et al.1 showed theoretically that the linewidth enhancement factor of distributed feedback (DFB) semiconductor lasers can be reduced; hence the linewidth becomes narrower when the laser oscillates at a wavelength shorter than the gain peak. The linewidth measurement of such wavelength-detuned DFB lasers has been performed, and the linewidth reduction has actually been observed.2,3

© 1988 Optical Society of America

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