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Simultaneous CW operation of shared angular dispersive element WDM lasers

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4 Author(s)
Doerr, C.R. ; Lucent Technol., AT&T Bell Labs., Holmdel, NJ, USA ; Monnard, R. ; Joyner, C.H. ; Stulz, L.W.

We show that when more than two channels operate continuous-wave (CW) simultaneously in shared dispersive element wavelength-division-multiplexing (WDM) lasers, /spl chi//sup (3)/ in the passive shared waveguide can cause spontaneous fluctuations in frequency and power. We propose the simple cure of making the shared waveguide extremely short. We obtain a value for the nonlinear-index coefficient of our InGaAsP waveguides of +0.9/spl times/10/sup -12/ cm/sup 2//W.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 4 )

Date of Publication:

April 1998

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