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Opt Express. 2010 Sep 27;18(20):20887-93. doi: 10.1364/OE.18.020887.

Reflection-mode optical injection locking.

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Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720, USA.


A novel model including the interference effect of master laser reflection is established for reflection-mode optical injection locking. This model sheds insight on the physical origin of some rather distinct but unexplained modulation characteristics of optical injection-locked vertical-cavity surface-emitting lasers (VCSELs), including data pattern inversion in on-off keying modulation, a large RF gain at low frequency, and an anomalous DC-suppression under small signal modulation, in specific locking conditions. Excellent agreement is obtained between the simulation and experiment results.

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