垂直腔蘑菇结构面发射激光器的大连续波功率、极低阈值、单横模工作

[1991] 49th Annual Device Research Conference Digest Pub Date : 1991-06-17 DOI:10.1109/DRC.1991.664668

Y.J. Yang, T. Dziura, S.C. Wang, R. Fernandez, S. Wang

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引用次数: 2

摘要

只提供摘要形式。报道了连续波GaAs蘑菇结构表面发射激光器(MSEL)，其工作阈值电流低至1.6 mA，输出功率>2.0 mW，单横模可达阈值电流的3倍。通过选择性锌扩散降低串联电阻，获得了较大的连续波输出功率。低阈值电流和单模工作归因于良好的横向电流限制在一个小的狭窄区域形成的台面切割。整个装置连接面朝上安装在芯片载体上，并在室温下进行连续波测试。给出了一些结果。>

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Large Cw Power, Very Low Threshold, Single Transverse Mode Operation of Vertical Cavity Mushroom Structure Surface Emitting Lasers

Summary form only given. Continuous-wave GaAs mushroom structure surface emitting laser (MSEL) operation at a threshold current as low as 1.6 mA, an output power >2.0 mW, and a single transverse mode up to three times threshold current is reported. The relatively large CW output power was achieved by reducing the series resistance using a selective zinc diffusion. The low threshold current and single-mode operation are attributed to good lateral current confinement in a small constricted region formed by mesa undercutting. The complete device was mounted junction-side up on a chip carrier and tested CW at room temperature. Some results are given. >

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[1991] 49th Annual Device Research Conference Digest

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