On-Chip Low-Threshold Silicon Nitride Distributed Feedback Colloidal Quantum Dot Laser

Yunpeng Zhu,Weiqiang Xie,Pieter Geiregat,Suzanne Bisschop,Tangi Aubert,Edouard Brainis,Zeger Hens,Dries Van Thourhout

2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2017）

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摘要

We report on hybrid integrated distributed feedback (DFB) lasers based on silicon nitride waveguide stacks containing a layer of embedded colloidal quantum dots. The DFB laser shows a low optical pumping threshold of 188 kW/cm(2) and operates in a single mode regime. Our results show the potential of colloidal QDs to hybridize silicon nitride photonic circuits and open the way to novel functionalities on said platform.

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关键词

silicon nitride waveguide stacks,embedded colloidal quantum dots,DFB laser,low optical pumping threshold,colloidal QDs,silicon nitride photonic circuits,hybrid integrated distributed feedback lasers,on-chip low-threshold silicon nitride distributed feedback colloidal quantum dot laser,CdSe-CdS-SiN-Si,Si

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