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  • Journal of Lightwave Technology
  • Vol. 30,
  • Issue 24,
  • pp. 3816-3823
  • (2012)

OFDM Based Superchannel Transmission Technology

S. Chandrasekhar and Xiang Liu

Open Access Open Access

Abstract

This paper reviews recent advances in the generation, detection and transmission of orthogonal-frequency-division-multiplexing (OFDM) based superchannels, enabled by efficient and powerful digital signal processors. The use of OFDM to form a superchannel can be (1) at the modulation stage by naturally realizing a square-like signal spectral shape to allow close packing of multiple modulated signals, and/or (2) at the optical multiplexing stage by seamlessly multiplexing these modulated signals. This paper reviews recent advances in this field. Several OFDM-based superchannel architectures are described and compared.

© 2012 IEEE

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