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A ROF system employing FBG and low-cost DML to generate OFDM signals

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Abstract

We have investigated and demonstrated a novel scheme to generate orthogonal frequency division multiplexing (OFDM) signals for Radio Over Fiber (ROF) systems using a direct-modulation laser (DML). We employ the Fiber Bragg Grating (FBG) because the bandwidth of the optical modulator is largely reduced and the architecture of the ROF system is simpler. The 40 GHz optical mm-wave signal was generated by a DML driven by the 2.5Gb/s electrical OFDM signals carried by only 20 GHz RF signals. This novel scheme employs a low-cost DML to generate mm-wave signal to carry OFDM signals which is a practical scheme to be applied for the future broadband access networks.

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Authors and Affiliations

  1. School of Computer and Communication, Hunan University, Changsha, 410082, China

    Hoang Viet Nguyen

  2. Faculty of Electronics, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam

    Hoang Viet Nguyen

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  1. Hoang Viet Nguyen
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Correspondence to Hoang Viet Nguyen.

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Nguyen, H.V. A ROF system employing FBG and low-cost DML to generate OFDM signals. J Opt 43, 159–164 (2014). https://doi.org/10.1007/s12596-014-0192-y

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  • DOI: https://doi.org/10.1007/s12596-014-0192-y

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