光学
微波食品加热
模式锁定
脉搏(音乐)
模式(计算机接口)
脉冲整形
光电子学
材料科学
物理
激光器
电信
计算机科学
探测器
操作系统
作者
Jing Wang,Ruihuan Wu,Bo Li,Weiyi Hong,Shengde Liu,Hongzhan Liu
出处
期刊:Optics Letters
[The Optical Society]
日期:2024-09-30
卷期号:49 (19): 5651-5651
摘要
A novel approach, to the best of our knowledge, for generating short microwave pulse trains based on a hybrid mode-locked optoelectronic oscillator (HML-OEO) is proposed and demonstrated. In the proposed scheme, a saturable absorber (SA) device is inserted into the active mode-locked OEO (AML-OEO) to compress the pulse width of the microwave pulse trains. Numerical simulations and experimental results show that the HML-OEO generates a short microwave pulse train with a repetition rate of 98.994 kHz through fundamental frequency mode locking, and its pulse width is compressed by about 50% compared to the AML-OEO. Additionally, in the experiment, microwave pulse trains with different repetition rates are generated by second-, third-, fourth-, and fifth-order harmonic mode locking, respectively. Compared to the AML-OEO, the HML-OEO achieves pulse compression effects of 49.3%, 49.8%, 49.4%, and 49.9%, respectively. Notably, compared to the AML-OEO, the proposed scheme also exhibits outstanding performance in frequency stability.
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