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Conferences > CLEO > 1992 > CTuA > CTuA5
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper CTuA5

Dynamic spatially resolved carrier density measurements in DFB lasers

M. R. Phillips, T. E. Darcie, and E. J. Flynn

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Abstract

The phenomenon of spatial hole burning (SHB) in distributed feedback (DFB) lasers is integral to understanding laser output characteristics such as frequency chirp and light-current linearity.1-2 Ketelsen et al., measured the longitudinal variation of the carrier density at different dc bras currents, and correlated it to the side-mode suppression ratio.3 We present what we believe to be the first direct measurements of carrier density modulation in response to an rf drive current.

© 1992 Optical Society of America

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