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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 28, Iss. 4 — Feb. 15, 2010
  • pp: 308–315

1-Tb/s Single-Channel Coherent Optical OFDM Transmission With Orthogonal-Band Multiplexing and Subwavelength Bandwidth Access

Yiran Ma, Qi Yang, Yan Tang, Simin Chen, and William Shieh

Journal of Lightwave Technology, Vol. 28, Issue 4, pp. 308-315 (2010)

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A 1-Tb/s single-channel coherent optical OFDM (CO-OFDM) signal consisting of continuous 4104 spectrally-overlapped subcarriers is generated using a recirculating frequency shifter (RFS). Theoretical and experimental analysis of the RFS is performed to study its effectiveness in extending OFDM bandwidth. In particular, the RFS produces a 320.6-GHz wide frequency comb from a single laser with superior flatness and tone-to-noise ratio (TNR). The 1-Tb/s CO-OFDM signal is consisted of 36 uncorrelated orthogonal bands achieved by adjusting the delay of the RFS to an integer number of OFDM symbol periods. The 1-Tb/s CO-OFDM signal with a spectral efficiency of 3.3 bit/s/Hz is successfully received after transmission over 600-km SSMF fiber without either Raman amplification or dispersion compensation.

© 2010 IEEE

Yiran Ma, Qi Yang, Yan Tang, Simin Chen, and William Shieh, "1-Tb/s Single-Channel Coherent Optical OFDM Transmission With Orthogonal-Band Multiplexing and Subwavelength Bandwidth Access," J. Lightwave Technol. 28, 308-315 (2010)

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