All optical SR and D flip-flop employing XGM effect in semiconductor optical amplifiers

被引：11

作者：

Kaur, Sanmukh ^{[1
]}

Kaler, R. S. ^{[1
]}

机构：

[1] Thapar Univ, Dept Elect & Commun Engn, Patiala, Punjab, India

来源：

OPTIK | 2014年 / 125卷 / 02期

关键词：

Cross-gain modulation (XGM); Flip-flop (FF); Semiconductor optical amplifier (SOA); LOW-POWER; RING LASERS; SOA-MZI; MEMORY; WAVELENGTH; FIBER; CHIP;

D O I：

10.1016/j.ijleo.2013.07.102

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents a simple and novel scheme for all-optical SR and D flip-flop employing cross gain modulation (XGM) effect in two wideband semiconductor optical amplifiers. The proposed flip-flop has a fast response, with less than 20 ps transition times for both rising and falling edges. The FF speed-limit is mainly determined by the SOA recovery time and the intra-FF coupling length. The simulation results exhibit a contrast ratio of 13 dB between two states with an AM of less than 2.5 dB. The distinctive simplicity of the flip-flop implies reduced footprint and low power consumption which makes it ideal for photonic integration. (C) 2013 Elsevier GmbH. All rights reserved.

引用

页码：865 / 869

页数：5

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