光学
物理
循环(图论)
频率调制
相位调制
相(物质)
调制(音乐)
锁相环
功率(物理)
激光器
脉搏(音乐)
非线性系统
无线电频率
相位噪声
电信
声学
计算机科学
数学
组合数学
量子力学
探测器
作者
Hongzhi Yang,Marc Brunel,Marc Vallet,Haiyang Zhang,Changming Zhao
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2021-05-05
卷期号:46 (10): 2336-2336
被引量:4
摘要
A real-time spectral analysis is demonstrated experimentally with a frequency-shifting loop that includes an electro-optic phase modulator. When a single-frequency laser seeds the loop, pulse doublets are emitted if the integer Talbot condition is satisfied. With a polychromatic seed, frequency-to-time mapping is demonstrated, namely the temporal output of the loop maps the spectral power of the seed, with a resolution of 400 kHz. Due to the phase modulation function, the mapping is shown to be nonlinear. The results are in agreement with the theoretical predictions of [H. Yang et al., J. Opt. Soc. Am. B 37 , 3162 ( 2020 ) JOBPDE 0740-3224 10.1364/JOSAB.389801 ]. The extension to integrated systems for applications is discussed.
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