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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 5 — May. 1, 2010
  • pp: 449–453

Novel 64×2.5 Gb/s all-optical OFDM symbol generator based on triangle waveform driving-LiNbO3 modulators

Yuan Li, Wei Li, Xiaojun Liang, Kecheng Yang, and Yaojun Qiao  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 5, pp. 449-453 (2010)


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Abstract

We propose a novel and simple all-optical 160-Gb/s orthogonal frequency division multiplexing (OFDM) symbol generator which is based on discrete triangle waveform driving-LiNbO3 modulators to realize largerange linear optical shift. The entire system needs 64 discrete modulators: at the transmitter, a 2.5-Gb/s optical duobinary (ODB) modulator for data modulation and a 2.5-Gb/s triangle waveform driving-LiNbO3 phase modulator for phase shift to generate each subcarrier; and at the receiver, a 2.5-GHz optical band pass filter (OBPF) using Faraday anomalous dispersion optical effect to separate them. Excellent bit error rate (BER) is observed after 1060 km of transmission without any dispersion compensation.

© 2010 Chinese Optics Letters

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing

Citation
Yuan Li, Wei Li, Xiaojun Liang, Kecheng Yang, and Yaojun Qiao, "Novel 64×2.5 Gb/s all-optical OFDM symbol generator based on triangle waveform driving-LiNbO3 modulators," Chin. Opt. Lett. 8, 449-453 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-5-449

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