All-optical clock recovery using multisection distributed-feedback lasers
The paper deals with a mathematical model of multisection distributed-feedback lasers (DFB). The authors derive conditions on the external signal under which the laser locks. Moreover they investigate the dynamical behaviour of the locked laser under aperiodic forcing. The authors show that, if certain conditions on the free-running laser state are satisfied, then the laser remains near the locked state for low-powered external data signals. These conditions can be verified numerically by computing only the self-pulsating state and certain solutions of the adjoint linearization about this state. The authors give an algorithm for the accurate numerical computation of these adjoint solutions. Using a model describing multisection DFB lasers, the authors compare the results with experiments.
multisection distributed-feedback lasers
scientific article; zbMATH DE number 1347342