Realization of all-optical flip-flop using directionally coupled bistable laser diode

被引：30
|
作者：
Takenaka, M [1 ]
Nakano, Y
机构：
[1] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1538904, Japan
[2] OITDA, Tokyo 1120014, Japan
[3] Japan Sci & Technol Corp, CREST, Tokyo 150002, Japan
[4] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1538904, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 01期
关键词：
all-optical flip-flop; bistable laser diode; directional coupler; optical memory;
D O I：
10.1109/LPT.2003.818900
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel all-optical flip-flop device has been realized using a directionally-coupled bistable laser diode (DC-BLD). We have fabricated the DC-BLD by. a conventional fabrication technique of LDs. To separate the adjacent electrodes of the directional coupler, an oblique electron-beam evaporation technique was developed. By this self-align process, the two adjacent waveguides; of the directional coupler were electrically isolated without employing any additional lithography step. Using the fabricated DC-BLD, all-optical flip-flop has been demonstrated due to the nonlinear effects of the saturable absorber and the directional coupler. The flip-flop operation has been achieved with sufficiently small input optical power level around 0 dBm.
引用
收藏
页码：45 / 47
页数：3
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