Optical bit-pattern recognition by use of dynamic gratings in erbium-doped fiber

被引：14

作者：

Wey, JS ^{[1
]}

Butler, DL ^{[1
]}

Rush, NW ^{[1
]}

Burdge, GL ^{[1
]}

Goldhar, J ^{[1
]}

机构：

[1] UNIV MARYLAND,DEPT ELECT ENGN,COLLEGE PK,MD 20740

来源：

OPTICS LETTERS | 1997年 / 22卷 / 23期

关键词：

D O I：

10.1364/OL.22.001757

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a novel optical bit-pattern-recognition technique that uses erbium-doped fiber at room temperature. Counterpropagating beams write a patterned gain-depletion grating in pumped erbium-doped fiber. This grating, recorded in the erbium gain medium, can be used for correlation with other optical bit patterns. We have demonstrated correlation of arbitrary return-to-zero bit patterns of as many as 8 bits at 1 Gbit/s. Theory suggests that scaling to higher bit rates is feasible. (C) 1997 Optical Society of America.

引用

页码：1757 / 1759

页数：3

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