Effect of Wetting Layers on Quantum Dash Laser Operation in Crosslight Pics3D

S. Schaefer, Ras-Jeevan K. Obhi, C. Valdivia, K. Hinzer
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Abstract

We discuss the integration of quantum dashes (QDashes) into laser simulations using Crosslight Pics3D, outlining the approach for developing a model featuring asymmetrical active regions. The importance of including wetting layers to accurately represent carrier transport is investigated using results obtained for an InAs/InP QDash laser. While leakage current across the active region is unaffected by the absence of wetting layers, their presence enhances Auger recombination losses in the active region, leading to lower overall device efficiencies.
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湿润层对交叉微距Pics3D量子短跑激光运行的影响
我们讨论了使用交叉轻微Pics3D将量子虚线(qdash)集成到激光模拟中,概述了开发具有非对称活动区域的模型的方法。利用InAs/InP QDash激光器获得的结果,研究了包含润湿层以准确表征载流子输运的重要性。虽然通过有源区域的泄漏电流不受润湿层的影响,但润湿层的存在增加了有源区域的俄歇复合损失,导致整体设备效率降低。
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