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Bistability and low-frequency fluctuations in semiconductor lasers with optical feedback: a theoretical analysis

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3 Author(s)
J. Mork ; Lab. of Appl. Math. Phys., Tech. Univ. of Denmark, Lyngby, Denmark ; B. Tromborg ; P. L. Christiansen

Near-threshold operation of a semiconductor laser exposed to moderate optical feedback may lead to low-frequency fluctuations. In the same region, a kink is observed in the light-current characteristic. Here it is demonstrated that these nonlinear phenomena are predicted by a noise driven multimode traveling-wave model. The dynamics of the low-frequency fluctuations are explained qualitatively in terms of bistability through an iterative description.<>

Published in:

IEEE Journal of Quantum Electronics  (Volume:24 ,  Issue: 2 )