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InAs-based distributed feedback interband cascade lasers
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DOI：10.1063/1.4935076.png)
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摘要
En 中文
Single mode emission of InAs-based interband cascade lasers using lateral metal gratings that provide distributed feedback is presented. A double ridge configuration was developed, where the grating is placed above the active region while a second, slightly wider ridge ensures current confinement in the active region. Side mode suppression ratios above 30 dB have been obtained, and single mode emission was observed at wavelengths around 6 mu m in continuous-wave operation up to a temperature of -10 degrees C. Current- and temperature-tuning rates of 0.011 nm/mA and 0.50 nm/ degrees C, respectively, have been found, and a total tuning range of 6.5 nm has been covered by one device. As a reference, ridge waveguide devices without a grating made from the same material were able to emit in pulsed mode up to 49 degrees C and in continuous-wave operation at temperatures up to 0 degrees C around 6 mu m. (C) 2015 AIP Publishing LLC.
Keyword:
6 MU-M
ROOM-TEMPERATURE
PERFORMANCE
OPERATION
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期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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引用论文
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