Generation of microwave signals by heterodyning and multiplication techniques: a comparison

R. Sardiñas-Fernández; A. García-Juárez; I. E. Zaldívar-Huerta; L. A. González-Mondrangón; L. J. Quintero-Rodríguez; E. Avilez-Valenzuela

doi:10.1117/12.2506430

1 March 2019 Generation of microwave signals by heterodyning and multiplication techniques: a comparison

R. Sardiñas-Fernández, A. García-Juárez, I. E. Zaldívar-Huerta, L. A. González-Mondrangón, L. J. Quintero-Rodríguez, E. Avilez-Valenzuela

Author Affiliations +

Proceedings Volume 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII; 109171O (2019) https://doi.org/10.1117/12.2506430
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Performance of optical heterodyning and external modulation by using an electro-optical modulator technique is evaluated. The first approach is carried out by beating two optical signals with a wavelength spacing corresponding to the desired microwave or millimeter-wave frequency continually tuned. The second technique requires only a single laser source along with a Mach-Zehnder Intensity Modulator (MZ-IM). Due to the available electrical bandwidth of the photodetector used, the experimental results are limited to the frequency range of 13 GHz. All experimental results are validated by a series of simulations using the VPI software. Signal-to-Noise ratio (SNR) and Phase-Noise parameters are measured.

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R. Sardiñas-Fernández, A. García-Juárez, I. E. Zaldívar-Huerta, L. A. González-Mondrangón, L. J. Quintero-Rodríguez, and E. Avilez-Valenzuela "Generation of microwave signals by heterodyning and multiplication techniques: a comparison", Proc. SPIE 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII, 109171O (1 March 2019); https://doi.org/10.1117/12.2506430

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