Laser linewidth effect on interference cancellation in asynchronous coherent OCDMA systems

Wei Huang, Ivan Andonovic, Moshe Tur

Research output: Contribution to conferencePaperpeer-review

Abstract

Interference cancellation within both the detection and carrier phase estimation processes for asynchronous coherent OCDMA systems is proposed. At the receiver, knowledge gained from the synchronization and detection is used to rebuild and remove the interference from the detected signal. The key advantage of the proposed system is that it can be performed directly in the electrical domain. Since an essential implementation issue with coherent optical communications is generated by the linewidth of the laser source, the effect of laser linewidth on the cancellation is investigated. By applying cancellation within the phase estimation, the stringent requirements with respect to the laser linewidth can be relaxed.

Original languageEnglish
Pages189-193
Number of pages5
StatePublished - 2000
Externally publishedYes
Event2000 IEEE 6th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000) - Parsippany, NJ, USA
Duration: 6 Sep 20008 Sep 2000

Conference

Conference2000 IEEE 6th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000)
CityParsippany, NJ, USA
Period6/09/008/09/00

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