谐振器
光学
节拍(声学)
频率梳
材料科学
梳状发生器
干涉测量
光谱学
光电子学
分辨率(逻辑)
物理
激光器
计算机科学
量子力学
人工智能
作者
Shuai Wang,Xinyu Fan,Bingxin Xu,Zuyuan He
出处
期刊:Optics Letters
[The Optical Society]
日期:2018-12-20
卷期号:44 (1): 65-65
被引量:18
摘要
Frequency-agile dual-comb spectroscopy (DCS) with electro-optic modulators (EOMs) promises to facilitate the implementation of DCS in many environmental applications. In this Letter, we demonstrate a 1 MHz resolution electro-optic dual-comb system with a measurement speed of 20 kHz. We generate an electro-optic frequency comb (EOFC) consisting of 50000 teeth with 1 MHz line spacing. Each comb tooth is well resolved by another EOFC with 2.5 GHz line spacing. We record transmittances of high Q-factor resonators within milliseconds. Our figure of merit is shown to be 36 times more sensitive than a configuration that would beat two combs of 1 MHz spacing.
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