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OOK and DPSK signal noise in all-optical regeneration based on saturation of PWM

Mohd Shah, Nor Shahida and Matsumoto, Masayuki (2012) OOK and DPSK signal noise in all-optical regeneration based on saturation of PWM. In: Proceeding of National Conference of Electric and Electronic Engineering 2012, 2012.

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Abstract

Signal noise suppressed and accumulated in all-optical regeneration based on saturation of FWM in a highly nonlinear fiber is investigated. Two modulation formats, on-off keying (OOK) and differential phase-shift keying (DPSK), were use in this study. input signal OSNR was 20 dB/0.1nm. mark and space level noise were evaluated by measuring signal threshold value. The regenerator suppressed mark level noise of both OOK and DPSK signals. however, noise at space level was amplified, which degraded OOK signal performance.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: differential phase-shift keying; four-wave mixing; nonlinear optics; on-off keying; optical signal processing
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK6540-6571 Radio
Divisions: Faculty of Electrical and Electronic Engineering > Department of Communication Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 17 Feb 2015 06:38
Last Modified: 17 Feb 2015 06:38
URI: http://eprints.uthm.edu.my/id/eprint/6103
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