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波长可调谐垂直腔面发射激光器

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摘要 实现VCSEL波长可调谐是现今VCSEL研究领域的热点之一,本文提出利用内腔亚波长光栅提高了VCSEL的波长调谐范围。经过模拟计算当光栅周期当栅周期为Λ=200nm,占空比(光栅条宽/光栅周期)η=0.55,厚度h=100nm时,VCSEL波长调谐范围可以达到最优,相比于无内腔亚波长光栅VCSEL的波长调谐范围有了显著提高。这可以为以后实际的器件制备提供理论依据。
出处 《科技视界》 2019年第26期30-31,共2页 Science & Technology Vision
基金 浙江省教育厅一般科研项目(Nos.Y201738091,Y201839950)
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