Theoretical investigation of a photonic-assisted instantaneous frequency measurement with a tunable measurement range and resolution by adjusting the chirp parameter of an optical intensity modulator

Ganjali Mohsen; Hosseini S. Esmail; Jamshidi Kambiz; Plettemeier Dirk

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Theoretical investigation of a photonic-assisted instantaneous frequency measurement with a tunable measurement range and resolution by adjusting the chirp parameter of an optical intensity modulator

机译：通过调整光强度调制器的Chirp参数来调整可调谐测量范围和分辨率光子辅助瞬时测量的理论研究

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The chromatic dispersion-based frequency-to-power mapping approach is often used in microwave photonic (MWP) instantaneous frequency measurement (IFM) receivers. A mechanism to tune the measurement range and resolution of these MWP IFM receivers by adjusting the chirp parameter of their optical intensity modulators is proposed and demonstrated. In particular, an MWP IFM receiver with a tunable measurement range and resolution based on a chirp-adjustable dual-drive Mach-Zehnder modulator (DDMZM) and two dispersive mediums is proposed and theoretically investigated. In the proposed MWP IFM receiver, a radio frequency (RF) signal whose unknown frequency is intended to be measured is applied to the two arms of a DDMZM with an appropriate power ratio. By adjusting the ratio of the two applied RF signals, the chirp parameter of the DDMZM and consequently, the measurement range and resolution of the MWP IFM receiver, can be tuned. The analytical results are verified by simulation results using commercial software. The proposed method also can be used in most of the previously reported MWP IFM receivers based on the chromatic dispersion and frequency-to-power mapping approach to tune their measurement ranges and resolutions. (C) 2019 Optical Society of America

机译：基于色散的基于频率到功率映射方法通常用于微波光子（MWP）瞬时频率测量（IFM）接收器。提出并证明了通过调整其光学强度调制器的Chirp参数来调整这些MWP IFM接收器的测量范围和分辨率的机制。特别地，提出了一种MWP IFM接收器，其具有可调谐测量范围和基于啁啾可调的双驱动MACH-ZEHNED调制器（DDMZM）和两个分散介质的分辨率以及理论上研究。在所提出的MWP IFM接收器中，射频（RF）信号旨在测量未知频率的射频被施加到具有适当功率比的DDMZM的两个臂。通过调整两个应用RF信号的比率，可以调整MWP IFM接收器的测量范围和测量范围和分辨率。通过使用商业软件的仿真结果验证分析结果。该方法还可用于基于色散和频率 - 电源映射方法的大多数先前报告的MWP IFM接收器来调整其测量范围和分辨率。（c）2019年光学学会

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来源
《Applied optics》 |2019年第36期|共8页
作者
Ganjali Mohsen; Hosseini S. Esmail; Jamshidi Kambiz; Plettemeier Dirk;
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作者单位

Shiraz Univ Sch Elect &

Comp Engn Dept Commun &

Elect Shiraz Iran;

Shiraz Univ Sch Elect &

Comp Engn Dept Commun &

Elect Shiraz Iran;

Tech Univ Dresden Chair Radio Frequency &

Photon Engn Integrated Photon Devices Grp Dresden Germany;

Tech Univ Dresden Chair Radio Frequency &

Photon Engn Dresden Germany;

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正文语种 eng
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Theoretical investigation of a photonic-assisted instantaneous frequency measurement with a tunable measurement range and resolution by adjusting the chirp parameter of an optical intensity modulator

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