All-optical implementation of S-R, clocked S-R, and D flip-flops using nonlinear material

被引：1
|
作者：
Dhar, Shantanu [1 ]
Sahu, Samir [1 ]
机构：
[1] Prabhat Kumar Coll, Dept Phys Contai, Purba Medinipur 721401, W Bengal, India
来源：
OPTICAL ENGINEERING | 2008年 / 47卷 / 06期
关键词：
flip-flops; nonlinear material; optical switching; optical AND gate; optical NOT gate;
D O I：
10.1117/1.2948348
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A nonlinear-material-based all-optical switching mechanism is utilized to develop the optical flip-flop. As flip-flops are sequential logic circuits, the present state of outputs is dependent on both the present inputs as well as the past outputs. In our present scheme, the outputs are fed back to the former stages instead of the input stages. The output Q and its complemented (Q) over bar are obtained simultaneously in our scheme. (C) 2008 Society of Photo-Optical Instrumentation Engineers.
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页数：6
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