Combined FEC-, line-, and syncbit-coding scheme for a highsensitive and low-complexity optical PSK-homodyne system

Christoph Rapp; Bernhard Wandernoth

doi:10.1117/12.207405

20 April 1995 Combined FEC-, line-, and syncbit-coding scheme for a high-sensitive and low-complexity optical PSK-homodyne system

Christoph Rapp, Bernhard Wandernoth

Author Affiliations +

Proceedings Volume 2381, Free-Space Laser Communication Technologies VII; (1995) https://doi.org/10.1117/12.207405
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

A new combined modulation and coding scheme for optical PSK-homodyne transmission is proposed. The new system is designed with scope to the realization of a very compact and high sensitive coherent PSK homodyne system with considerable small hardware complexity. This is achieved by using a combined coding scheme for synchronization information (syncbit method), spectral shaping and forward error correction. Applications of this technique could be in the future small and lightweight optical terminals for space communications, but also possibly in the future coherent optical FDMA-fiber networks. Without using the syncbit- coding option, this method is also very well suited for optical direct detection schemes, in which an optimal combination of line- and channel coding is needed.

Citation Download Citation

Christoph Rapp and Bernhard Wandernoth "Combined FEC-, line-, and syncbit-coding scheme for a high-sensitive and low-complexity optical PSK-homodyne system", Proc. SPIE 2381, Free-Space Laser Communication Technologies VII, (20 April 1995); https://doi.org/10.1117/12.207405

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