Modelling of semiconductor laser with double external cavities for use in ultrahigh speed photonics

Ahmed, Moustafa; Bakry, Ahmed

doi:10.1007/s12043-021-02115-y

Cited by 3 publications

(1 citation statement)

References 30 publications

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“…The seminal papers by the group of prof. Koyama treat the effect of one of the lateral cavity as a feedback [17], with a model similar to that proposed by Lang and Kobayashi [18]. Successively, these models have been extended, removing the hypothesis of moderate feedback [19], on the basis of a strong experience on edge-emitting lasers [20]- [22], and ultimately to the case of many transverse cavities [23]. A different interpretation has been proposed by the group of prof. Choquette [15], which describes the interaction of the two cavities as if there is a master cavity, controlling through injection locking a slave one.…”

Section: Introductionmentioning

confidence: 99%

Transverse Coupled Cavity VCSELs: Bridging Ultrabroadband Dynamics to Optical Supermodes

D'Alessandro,

Torrelli,

Bertazzi

et al. 2024

IEEE Photonics J.

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In this work we investigate the ultrabroadband dynamics of transverse coupled cavity VCSELs. This study is based on a multimode rate equation model, whose parameters are directly provided by a full-wave vectorial electromagnetic solver. This approach sets a step towards the comprehensive physicsbased modeling of transverse-coupled cavity VCSELs, providing a relation between the features of the optical supermodes and the enhancements of the intensity modulation response. The approach emphasizes how the bandwidth enhancement, ascribable to a photon-photon resonance picture, can be triggered by forcing asymmetries in the bias and modulation contacting scheme of the device, and the importance of collecting the fields from each single cavity, providing an interpretation of recent experimental observations and paving the way towards more systematic design strategies.

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