All-Optical Millimeter-Wave Ultrawideband Signal Generation Using a Nonlinear Optical Loop Mirror

被引：5
|
作者：
Luo, Bowen [1 ]
Yang, Ting [1 ]
Dong, Jianji [1 ]
Yu, Yuan [1 ]
Huang, Dexiu [1 ]
Zhang, Xinliang [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Optoelect Sci & Engn, Wuhan 430074, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2012年 / 4卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Ultrawideband (UWB); nonlinear optical signal processing; semiconductor optical amplifier (SOA); ULTRA-WIDE-BAND; PULSE GENERATION; PHOTONIC GENERATION; PHASE MODULATION; CONVERSION; TECHNOLOGIES;
D O I：
10.1109/JPHOT.2012.2188625
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We theoretically and experimentally demonstrate a scheme to implement bipolar millimeter-wave (MMW) ultrawideband (UWB) monocycles using a nonlinear optical loop mirror (NOLM). A 20-GHz optical clock as the probe light and a Gaussian pulse as the pump light are launched into the NOLM for cross-phase modulation (XPM). At the reflection and transmission ports of the NOLM, a pair of polarity-reversed MMW-Gaussian pulses is generated due to constructive and destructive interferences. They are then mixed with proper time delay and orthogonal polarization states. Thus, a photonic MMW-UWB monocycle is obtained. By adjusting the time delay between the reflection and transmission ports of the NOLM, bipolar MMW-UWB pulses are generated.
引用
收藏
页码：350 / 356
页数：7
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