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Modal characteristics of large aperture ARROW VCSELs

机译:大孔径ARROW VCSEL的模态特性

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摘要

Antiresonant reflecting optical waveguide (ARROW) vertical cavity surface emitting lasers (VCSELs) are designed for high power single mode operation. Scalar wave and finite-difference time domain (FDTD) studies indicate large modal discrimination in favor of the fundamental mode for large aperture (8 μm) ARROW VCSELs. The modal discrimination mechanisms are identified through the total modal loss and quality factor calculations including polarization dependence. A novel design is presented, utilizing metal absorption loss to help suppress higher-order modes.
机译:反谐振反射光波导(ARROW)垂直腔表面发射激光器(VCSEL)设计用于高功率单模操作。标量波和时域有限差分(FDTD)研究表明,大模态识别有利于大孔径(8μm)ARROW VCSEL的基本模。通过总模态损耗和包括极化相关性在内的品质因数计算,可以确定模态识别机制。提出了一种新颖的设计,利用金属吸收损耗来抑制高阶模。

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