Instantaneous frequency measurement of microwave signals in optical range using “frequency-amplitude” conversion in the π-phase-shifted fiber Bragg grating

Oleg G. Morozov; Anvar A. Talipov; Marat R. Nurgazizov; Pavel E. Denisenko; Aleksander A. Vasilets

doi:10.1117/12.2051126

1 May 2014 Instantaneous frequency measurement of microwave signals in optical range using "frequency-amplitude" conversion in the π-phase-shifted fiber-Bragg grating

Oleg G. Morozov, Anvar A. Talipov, Marat R. Nurgazizov, Pavel E. Denisenko, Aleksander A. Vasilets

Author Affiliations +

Proceedings Volume 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III; 91361B (2014) https://doi.org/10.1117/12.2051126
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

This paper presents a microwave photonics method for the instantaneous frequency measurement of microwave signals, based on the generation of a two-frequency laser radiation in the Mach-Zehnder modulator with a difference frequency equal to the measured, and the "frequency - amplitude" conversion in the π-phase-shifted fiber Bragg grating. Frequency measurement occurs in two ranges: 0.3 - 3 GHz in the passband of the FBG and 3 - 30 GHz in its reflection band. Using the specific conversion of two-frequency radiation in the π-phase-shifted fiber Bragg grating allowed us to obtain measuring characteristics, that are independent of the amplitude fluctuations of the optical carrier and to organize additional circuit for monitoring the spectral characteristics of the used elements to reduce measurement inaccuracy caused by their temperature instability.

Citation Download Citation

Oleg G. Morozov, Anvar A. Talipov, Marat R. Nurgazizov, Pavel E. Denisenko, and Aleksander A. Vasilets "Instantaneous frequency measurement of microwave signals in optical range using "frequency-amplitude" conversion in the π-phase-shifted fiber-Bragg grating", Proc. SPIE 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III, 91361B (1 May 2014); https://doi.org/10.1117/12.2051126

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