大点尺寸窄波导VCSEL

LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI:10.1109/LEOS.2001.968876

D. Zhou, Tae-woo Lee, N. Tansu, S. Hagness, L. Mawst

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引用次数: 0

摘要

为了获得大的近场光斑尺寸(即窄远场FWHM)，在边缘发射激光器中采用窄波导设计来扩展横向模式。类似的情况也被观察到横向VCSEL模式对于一个非常小的孔径氧化物定义波导结构。一个窄波导VCSEL设计结合一个单独的电流约束孔径示意图显示。这种设计允许人们通过选择当前孔径来调整与增益区域的光学重叠。该器件采用两步MOCVD生长方法制备。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Large spot-size narrow waveguide VCSEL

To obtain a large near-field spot-size (i.e. narrow far-field FWHM), a narrow waveguide design is utilized in edge-emitting lasers to expand the transverse mode. A similar situation was observed for the lateral VCSEL mode for a very small aperture oxide-define waveguide structure. A narrow-waveguide VCSEL design incorporating a separate current confinement aperture is shown schematically. This design then allows one to adjust the optical overlap with the gain region by choosing the current aperture. The device is fabricated by two-step MOCVD growth.

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LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)

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