All optical measurement of an unknown wideband microwave frequency

被引：0
|
作者：
Kumar, A. [1 ]
Priye, V. [1 ]
Singh, R. Raj [1 ]
机构：
[1] Indian Inst Technol ISM, Dept Elect Engn, Dhanbad 826004, Jharkhand, India
来源：
OPTO-ELECTRONICS REVIEW | 2016年 / 24卷 / 04期
关键词：
unknown frequency measurement; optical devices; Mach-Zehnder modulators; semiconductor optical amplifier; four-wave mixing; GAAS INJECTION-LASER; AMPLIFICATION;
D O I：
10.1515/oere-2016-0021
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：
A novel all optical measurement scheme is proposed to measure wideband microwave frequencies up to 30 GHz. The proposed method is based on a four-wave mixing (FWM) approach in a semiconductor optical amplifier (SOA) of both even order side-bands generated by an unknown microwave frequency modulating an optical carrier. The optical power of a generated FWM signal depends on frequency spacing between extracted side-bands. A mathematical relation is established between FWM power and frequency of an unknown signal. A calibration curve is drawn based on the mathematical relation which predicts the unknown frequency from power withdrawn after FWM.
引用
收藏
页码：191 / 195
页数：5
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