Channel interference cancellation using electrooptic switch and optical hard-limiters for direct-detection optical CDMA systems

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper proposes new channel interference cancellation technique using an electrooptic (EO) switch and optical hard-limiters for direct-detection optical CDMA systems. In the proposed system the channel interference in a reference path is reduced by double optical hard-limiters. The output of a reference path drives the EO switch to reduce the effect of the channel interference in a signal path: When the reference signal is larger than or equal to the threshold of the driver circuit, the EO switch is turned on and the signal in a signal path is passed to an avalanche photodiode (APD); otherwise, the EO switch is turned off and the signal is not passed to the APD. It is shown that the proposed system is effective to reduce the effect of the channel interference when the received optical power is large.

Original languageEnglish
Title of host publicationIEEE International Conference on Communications
PublisherIEEE
Pages106-110
Number of pages5
Volume1
Publication statusPublished - 1997
Externally publishedYes
EventProceedings of the 1997 IEEE International Conference on Communications, ICC. Part 3 (of 3) - Montreal, Can
Duration: 1997 Jun 81997 Jun 12

Other

OtherProceedings of the 1997 IEEE International Conference on Communications, ICC. Part 3 (of 3)
CityMontreal, Can
Period97/6/897/6/12

Fingerprint

Limiters
Electrooptical effects
Code division multiple access
Switches
Avalanche photodiodes
Networks (circuits)

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Channel interference cancellation using electrooptic switch and optical hard-limiters for direct-detection optical CDMA systems. / Ohtsuki, Tomoaki.

IEEE International Conference on Communications. Vol. 1 IEEE, 1997. p. 106-110.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ohtsuki, T 1997, Channel interference cancellation using electrooptic switch and optical hard-limiters for direct-detection optical CDMA systems. in IEEE International Conference on Communications. vol. 1, IEEE, pp. 106-110, Proceedings of the 1997 IEEE International Conference on Communications, ICC. Part 3 (of 3), Montreal, Can, 97/6/8.
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