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Effect of the external reflector position on the threshold current in complex-coupled DFB laser diodes

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4 Author(s)
Achtenhagen, M. ; Dept. of Phys., Swiss Federal Inst. of Technol., Lausanne, Switzerland ; Miles, R.O. ; Hardy, A. ; Reinhart, F.K.

A new method of controlling the phase of a propagating wave coupled between the laser facets and the internal loss grating in a complex-coupled DFB laser diode is introduced. The overlap between the optical mode and the lossy region is deduced from the measured threshold current. The method permits a controlled change of the operating conditions and allows a systematic study of the influence of an absorber on the laser dynamics

Published in:

Electronics Letters  (Volume:32 ,  Issue: 4 )