Combination of anticipated and isochronous synchronization in coupled semiconductor lasers system
Wu, Liang · Zhu, Shiqun · Ni, Yun
الأصل · EN
Combination of two basic types of synchronization, anticipated and isochronous synchronization, is investigated numerically in coupled semiconductor lasers. Due to the combination, a synchronization of good quality can be obtained. We study the dependence of the lag time between two lasers and the synchronization quality on the converse coupling retardation time τc₂₁. When τc₂₁ is close to the difference of external cavity round trip time τ and coupling retardation time τc₁₂, the combination of anticipated and isochronous synchronization may produce a better synchronization, with a lag time proportional to τc₂₁. When τc₂₁ is largely different from τ-τc₁₂, the combination is noneffective and even negative in some cases, with a lag time independent of τc₂₁.
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