Time-resolved measurements of two-color laser light emitted from GaAs/AlGaAs-coupled multilayer cavity

被引：0
|
作者：
Minami, Yasuo [1 ]
Ogusu, Kotaro [1 ]
Lu, Xiangmeng [1 ]
Kumagai, Naoto [2 ]
Morita, Ken [3 ]
Kitada, Takahiro [1 ]
机构：
[1] Tokushima Univ, Grad Sch Technol Ind & Social Sci, Tokushima, Tokushima 7708506, Japan
[2] Natl Inst Adv Ind Sci & Technol, Nagoya, Aichi 4648601, Japan
[3] Chiba Univ, Grad Sch Engn, Chiba, Chiba 2638522, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2019年 / 58卷 / SJ期
基金：
日本学术振兴会;
关键词：
TERAHERTZ; GENERATION; SILICON;
D O I：
10.7567/1347-4065/ab238c
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We measured the two-color laser oscillation from a GaAs/AlGaAs-coupled multilayer cavity at 18 degrees C-42 degrees C using current injection. We confirmed simultaneous lasing by detecting the sum frequency generation signal generated by the two-color laser light, and performed time-resolved measurement using a streak camera with a spectrometer. From the observed time transient of the spectra at various temperatures, it is clarified that the temperature change of the device, induced by current injection, modulates the effective cavity length. Therefore, the temperature control of the device is a key factor in stable two-color lasing and THz wave generation. (C) 2019 The Japan Society of Applied Physics
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页数：5
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