Photonics-based tunable and broadband radio frequency converter

Ramon Maia Borges; Daniel Mazzer; Tiago Reis Rufino Marins; Arismar Cerqueira Sodré

doi:10.1117/1.OE.55.3.031118

7 December 2015 Photonics-based tunable and broadband radio frequency converter

Ramon Maia Borges, Daniel Mazzer, Tiago Reis Rufino Marins, Arismar Cerqueira Sodré

Author Affiliations +

Optical Engineering, Vol. 55, Issue 3, 031118 (December 2015). https://doi.org/10.1117/1.OE.55.3.031118

Abstract

This paper is regarding the concept and development of a photonics-based tunable and broadband radio frequency converter (PBRC). It employs an external modulation technique to generate and reconfigure its output frequency, a digital circuit to manage the modulators’ bias voltages, and an optical interface for connecting it to optical-wireless networks based on radio-over-fiber technology. The proposed optoelectronic device performs photonics-based upconversion and downconversion as a function of the local oscillator frequency and modulators’ bias points. Experimental results demonstrate a radiofrequency (RF) carrier conversion with spectral purity over the frequency range from 750 MHz to 6.0 GHz, as well as the integration of the photonics-based converter with an optical backhaul based on a 1.5-km single-mode fiber from a geographically distributed optical network. Low phase noise and distortion absence illustrate its applicability for convergent and reconfigurable optical wireless communications. A potential application relies on the use of PBRC in convergent optical wireless networks to dynamically provide RF carriers as a function of the telecom operator demand and radio propagation environment.

Citation Download Citation

Ramon Maia Borges, Daniel Mazzer, Tiago Reis Rufino Marins, and Arismar Cerqueira Sodré "Photonics-based tunable and broadband radio frequency converter," Optical Engineering 55(3), 031118 (7 December 2015). https://doi.org/10.1117/1.OE.55.3.031118

Published: 7 December 2015

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