Radio-over-fiber system with tunable millimeter-wave generation and wavelength reuse for uplink connection

Chan Zhang; Tigang Ning; Jing Li; Heng Lin; Zhiming Liu

doi:10.1117/1.OE.55.3.031116

23 October 2015 Radio-over-fiber system with tunable millimeter-wave generation and wavelength reuse for uplink connection

Chan Zhang, Tigang Ning, Jing Li, Heng Lin, Zhiming Liu

Author Affiliations +

Optical Engineering, Vol. 55, Issue 3, 031116 (October 2015). https://doi.org/10.1117/1.OE.55.3.031116

Abstract

We propose and demonstrate a radio-over-fiber system to generate an optical millimeter wave (MMW) and realize wavelength reuse for an uplink connection. A tunable optical comb generated by a single Fabry–Perot laser serves as the optical source. The central carrier is separated by an optical circulator cascaded with a fiber Bragg grating. For the downlink, the unmodulated central carrier is coupled with one subcarrier, which has been modulated with 2.5-Gb/s data. Then, different MMWs can be generated by choosing different subcarriers. While for the uplink, the same central carrier is reused for an uplink connection with 1.25-Gb/s data. In the scheme, a 60-GHz MMW is obtained and the bidirectional data are simultaneously transmitted over 60-km transmission with <0.5-dB power penalty. This system shows a simple cost-efficient configuration and good performance over long-distance delivery.

Citation Download Citation

Chan Zhang, Tigang Ning, Jing Li, Heng Lin, and Zhiming Liu "Radio-over-fiber system with tunable millimeter-wave generation and wavelength reuse for uplink connection," Optical Engineering 55(3), 031116 (23 October 2015). https://doi.org/10.1117/1.OE.55.3.031116

Published: 23 October 2015

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KEYWORDS

Extremely high frequency

Modulation

Radio optics

Eye

Single mode fibers

Fiber Bragg gratings

Modulators

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