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Crosstalk, noise, and stability analysis of DWDM channels generated by injection locking techniques

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5 Author(s)
Cai, B. ; Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK ; Johansson, L.A. ; Silva, C.F.C. ; Bennett, S.
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In this paper, theory and experimental results for wavelength-division-multiplexing (WDM) channel generation, formed by multi-line optical injection locking, is presented. A small-signal model to deal with wide-spectral-band optical injection problems has been developed. Based on this model, the crosstalk noise of an injection-locked laser in a coherent WDM system is assessed analytically. Experimental results on locking range, stability, and crosstalk noise confirms the modeling results, which indicate that stable and low-noise channels can be generated by this approach.

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Lightwave Technology, Journal of  (Volume:21 ,  Issue: 12 )