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Phase noise and linewidth in an InGaAsP DFB laser

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2 Author(s)
Tkach, R.W. ; Lightwave Networks Research Department, AT&T Laboratories Research, Red Bank, NJ, USA ; Chraplyvy, A.R.

Measurements and calculations of interferometrically demodulated phase noise in an InGaAsP DFB laser are reported. The results led to a novel method of laser linewidth measurement. The effect of this noise on a DPSK coherent system is considered.

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Lightwave Technology, Journal of  (Volume:4 ,  Issue: 11 )