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Enhanced Carrier Confinement and Mode Discrimination for Laterally-Coupled DFB Lasers

Reducing carrier leakage is the key to obtain laterally coupled distributed feedback (DFB) lasers with high injection efficiency. We proposed a device structure with slots fabricated between the ridge and gratings to form a good confinement on carriers. The incorporation of slots also makes the grat...

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Principais autores: Kun Tian, Yonggang Zou, Mingyue Guan, Linlin Shi, He Zhang, Yingtian Xu, Jie Fan, Hui Tang, Xiaohui Ma
Format: Artigo
Sprog:Inglês
Udgivet: IEEE 2022-01-01
Serier:IEEE Photonics Journal
Fag:
DFB lasers
gratings
narrow slots
coupling coefficient
Online adgang:https://ieeexplore.ieee.org/document/9790053/
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