All-Optical Approach to Microwave Frequency Measurement With Large Spectral Range and High Accuracy

2012 ◽  
Vol 24 (7) ◽  
pp. 614-616 ◽  
Author(s):  
Chenhui Ye ◽  
Hongyan Fu ◽  
Kun Zhu ◽  
Sailing He
Keyword(s):  
Spectral Range ◽  
Microwave Frequency ◽  
Frequency Measurement ◽  
High Accuracy ◽  
All Optical

scholarly journals High accuracy microwave frequency measurement based on single-drive dual-parallel Mach-Zehnder modulator

2011 ◽  
Vol 19 (26) ◽  
pp. B681 ◽  
Author(s):  
Ying Zhao ◽  
Xiaodan Pang ◽  
Lei Deng ◽  
Xianbin Yu ◽  
Xiaoping Zheng ◽  
...  
Keyword(s):  
Microwave Frequency ◽  
Frequency Measurement ◽  
High Accuracy ◽  
Mach Zehnder Modulator

Wide-range, high-accuracy multiple microwave frequency measurement by frequency-to-phase-slope mapping

2020 ◽  
Vol 123 ◽  
pp. 105895
Author(s):  
Di Wang ◽  
Cong Du ◽  
Yuchen Yang ◽  
Weinan Zhou ◽  
Tong Meng ◽  
...  
Keyword(s):  
Microwave Frequency ◽  
Frequency Measurement ◽  
High Accuracy ◽  
Phase Slope ◽  
Wide Range

scholarly journals Photonic approach to microwave frequency measurement with digital circular-code results

2011 ◽  
Vol 19 (21) ◽  
pp. 20580 ◽  
Author(s):  
Xihua Zou ◽  
Wei Pan ◽  
Bin Luo ◽  
Lianshan Yan ◽  
Yushi Jiang
Keyword(s):  
Microwave Frequency ◽  
Frequency Measurement ◽  
Circular Code

scholarly journals High-accuracy Photonics-assisted Frequency Measurement With Rough-accurate Compensation Based on Mach-Zehnder Interfering and Power Cancellation

2021 ◽  
Author(s):  
Lanfeng Huang ◽  
Yongjun Li ◽  
Shanghong Zhao ◽  
Tao Lin ◽  
Guodong Wang ◽  
...  
Keyword(s):  
Frequency Estimation ◽  
Frequency Measurement ◽  
High Accuracy ◽  
Optical Field ◽  
Comparison Function ◽  
Multiple Frequency ◽  
Frequency Identification ◽  
Mach Zehnder Modulator ◽  
Rf Signal ◽  
Polarization Division Multiplexing

Abstract A high-accuracy photonics-assisted frequency measurement with rough-accurate compensation based on Mach-Zehnder interfering and power cancellation is proposed. A polarization division multiplexing dual-parallel Mach–Zehnder modulator (PDM-DPMZM) is employed to mix the unknown RF signal and sweep signal to optical field. The rough measurement is firstly performed by the interference of a Mach-Zehnder interferometer (MZI) to realize fast frequency estimation. Then, based on the rough measurement result, the accurate measurement based on power cancellation is implemented in a much narrower range, which greatly improves the efficiency of frequency measurement. The simulation results show that the amplitude comparison function (ACF) established by interference can achieve a measurement error of less than 0.3 GHz over 0.5 ~39 GHz. Moreover, thanks to the rough-accurate compensation, the accuracy can be further improved to 4 MHz. Additionally, the multiple frequency identification with a resolution of 10 MHz can also be achieved based on this system.

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