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[期刊论文]
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High-performance operation of distributed feedback terahertz quantum cascade lasers
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作 者：
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Yuanyuan Li;Fengqi Liu;Zhanguo Wang;Junqi Liu;Jinchuan Zhang;
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出版年：2016
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页 码：945 - 947
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出版社：Institution of Engineering and Technology (IET)
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摘 要：
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Carefully designed distributed feedback terahertz quantum cascade lasers based on surface metallic-stripe grating structure are presented. Stable single-mode emission with a side-mode suppression ratio of >20 dB is obtained under all injection currents and operating temperatures. Maximum edge-emitting power of 58 mW is realised in continuous-wave mode. In pulsed mode, record output powers of 286 mW at 10 K and 82 mW at 77 K are achieved at 97.1 μm with a well-shaped beam pattern.
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关键字：
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stable single-mode emission; high-performance operation; temperature 10 K to 77 K; surface metallic-stripe grating structure; well-shaped beam pattern; pulsed mode; maximum edge-emitting power; power 286 mW; side-mode suppression ratio; distributed feedback terahertz quantum cascade lasers; all injection currents
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