All-optical parity checker with bit-differential delay

被引：56

作者：

Poustie, AJ ^{[1
]}

Blow, KJ ^{[1
]}

Kelly, AE ^{[1
]}

Manning, RJ ^{[1
]}

机构：

[1] BT Labs, Ipswich IP5 3RE, Suffolk, England

来源：

OPTICS COMMUNICATIONS | 1999年 / 162卷 / 1-3期

关键词：

all-optical parity checker; bit-differential delay; binary word;

D O I：

10.1016/S0030-4018(99)00070-X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate an all-optical digital processing circuit that can check the parity of a binary optical word. The circuit operates by repetitively inputting the binary word to be checked into an optical memory whose capacity differs from the repeat time of the input word by one bit. The accumulated parity of the input word is generated by applying the XOR logical function to the repeated input word and the time-shifted stored word in the memory. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：37 / 43

页数：7

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