Theoretical study of implementing an all-optical analogue-to-digital conversion based on the Mach-Zehnder interferometric configurations

被引：0
|
作者：
Shcherbakov, Alexandre S. [1 ]
Hernandez Romano, Ivan [1 ]
机构：
[1] Natl Inst Astrophys Opt & Elect INAOE, Dept Opt, Puebla 72000, Pue, Mexico
来源：
OPTIK | 2010年 / 121卷 / 14期
关键词：
Analogue-to-digital (A-D) converter; Self-phase modulation (SPM); Cross-phase modulation (CPM); Mach-Zehnder interferometric configuration; QUANTIZATION SCHEME; CONVERTER; FIBER; SWITCHES;
D O I：
10.1016/j.ijleo.2009.01.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new technique of ultrafast analogue-to-digital (A-D) conversion for an all-optical data processing is proposed. This technique is based on the Kerr nonlinearity-induced cross-phase modulation in single-mode Mach-Zehnder interferometer configurations arranged in a specific way. Two schemes, capable of realizing both sequential and parallel A-D conversions of optical signals are considered. The potential for an extremely high-bit-rate processing, up to 1 THz in each converter, is due to a femtosecond time response of Kerr effect in fused silica glass. Optical schemes of proposed devices are presented and algorithmically estimated; their functional capabilities are discussed. (C) 2009 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1330 / 1336
页数：7
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