窄带
光电子学
材料科学
波长
热的
切换时间
炸薯条
红外线的
光子学
光子晶体
光学
物理
电信
计算机科学
气象学
作者
Takuya Inoue,Menaka De Zoysa,Takashi Asano,Susumu Noda
摘要
We experimentally demonstrate the high-speed, on-chip wavelength switching of thermal emission in the mid-infrared region. Our device consists of multiple integrated thermal emitters of different colors, each of which is composed of quantum wells and a photonic crystal. On current injection, the device exhibits narrowband (Q > 70) thermal emission with low electric power consumption. By applying a reverse bias to each section of the device, we achieve high-speed (>kHz) switching of multiple thermal emission wavelengths, opening a route towards compact, highly efficient mid-infrared light sources for various sensing applications.
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