Photonic generation of BFSK RF signals based on optical pulse shaping

Peng Xiang; Xiao-ping Zheng; Han-yi Zhang; Yu-quan Li; Rong Wang

doi:10.1007/s11801-012-2253-2

Optoelectronics Letters ›› 2012, Vol. 8 ›› Issue (5) : 368-371. DOI: 10.1007/s11801-012-2253-2

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Photonic generation of BFSK RF signals based on optical pulse shaping

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Abstract

A novel method to generate binary frequency shift-keying (BFSK) radio frequency (RF) signals in optical domain is proposed. In the proposed system, an optical short pulse train is converted into super-Gaussian RF pulses with high frequency based on optical pulse shaping by two Mach-Zehnder fiber interferometers (MZIs). And the generated RF signals are coded using a fast electro-optic switch. By properly designing the MZIs, BFSK RF signals with desired code pattern and modulation index can be generated. A theoretical model for describing the system is developed, and the generation of BFSK RF signals in millimeter-wave regime is demonstrated via simulations.

Keywords

Optical Pulse / Single Mode Fiber / Polarization Beam Splitter / Free Spectral Range / Radio Frequency Signal

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Peng Xiang, Xiao-ping Zheng, Han-yi Zhang, Yu-quan Li, Rong Wang. Photonic generation of BFSK RF signals based on optical pulse shaping. Optoelectronics Letters, 2012, 8(5): 368‒371 https://doi.org/10.1007/s11801-012-2253-2

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This work has been supported by the National Natural Science Foundation of China (No. 61032005), and the Postdoctoral Science Foundation under Grant of China (No.2012M510442).