Presentation	2008-01-25 Adaptive PMD compensation technique for ultra high-speed signal employing novel tunable DGD generator and PSO algorithm Yoshihiro KANDA, Hitoshi MURAI, Kozo FUJII,
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Abstract(in English)	In this report, we describe 1^-order PMD compensator employing Michelson-interferometer-based tunable DGD generator with an ultra high time-resolution of 53as. For the adaptive operation of the PMD compensator, the feedback control based on DOP monitoring is widely used. For ultra high-speed signal beyond 100-Gb/s, however, the impact of local DOP optima on precise feedback control tends to be more significant, so that it is important to find out appropriate algorithm for the feedback control. Here, we discuss about the origin of local DOP optimum and also describe the advantage of applying particle-swarm-optimization (PSO) algorithm, which is known as very powerful method to find the grovel optimum in multimodal system, to feedback control of DOP-monitoring-based PMD compensator. In addition, we discuss about the performance of the developed adaptive PMD compensator through some results of 160Gb/s field trial on JGN2 optical test-bed.
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Keyword(in English)	PMD compensation / DGD equalization / Variable DGD Generator / PSO algorithm / DOP / 160Gb/s
Paper #	OCS2007-97
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Committee	OCS
Conference Date	2008/1/17(1days)
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Registration To	Optical Communication Systems (OCS)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Adaptive PMD compensation technique for ultra high-speed signal employing novel tunable DGD generator and PSO algorithm
Sub Title (in English)
Keyword(1)	PMD compensation
Keyword(2)	DGD equalization
Keyword(3)	Variable DGD Generator
Keyword(4)	PSO algorithm
Keyword(5)	DOP
Keyword(6)	160Gb/s
1st Author's Name	Yoshihiro KANDA
1st Author's Affiliation	Oki Electric Industry Co., Ltd. Corporate Research & Development center()
2nd Author's Name	Hitoshi MURAI
2nd Author's Affiliation	Oki Electric Industry Co., Ltd. Corporate Research & Development center
3rd Author's Name	Kozo FUJII
3rd Author's Affiliation	Oki Electric Industry Co., Ltd. Corporate Research & Development center
Date	2008-01-25
Paper #	OCS2007-97
Volume (vol)	vol.107
Number (no)	444
Page	pp.pp.-
#Pages	6
Date of Issue