Significantly enhanced fiber optic code-division multiple-access system using a novel optical decoder with an AND-gate logic element

Tae-Gu Kang; Young-Wan Choi

doi:10.1117/1.2212829

1 June 2006 Significantly enhanced fiber optic code-division multiple-access system using a novel optical decoder with an AND-gate logic element

Tae-Gu Kang, Young-Wan Choi

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Optical Engineering, Vol. 45, Issue 6, 065002 (June 2006). https://doi.org/10.1117/1.2212829

Abstract

We propose a novel optical decoder for a fiber-optic code-division multiple-access communication system. In particular, we discuss a means of reducing the effective multiple-access interference signal by inserting an optical hard limiter (optical thyristor). The optical decoder employs an AND gate logic element (AGLE) composed of a 1×M splitter, optical delay lines, an M×1 combiner, and the optical hard limiter. It is found that the AGLE suppresses the interference signal, so that the autocorrelation sidelobe and the cross-correlation peaks can be fully eliminated for any two users.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Tae-Gu Kang and Young-Wan Choi "Significantly enhanced fiber optic code-division multiple-access system using a novel optical decoder with an AND-gate logic element," Optical Engineering 45(6), 065002 (1 June 2006). https://doi.org/10.1117/1.2212829

Published: 1 June 2006

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KEYWORDS

Fiber optics

Telecommunications

Logic devices

Signal processing

Receivers

Binary data

Channel projecting optics

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