Optical 1's and 2's complement devices using lithium-niobate-based waveguide

被引：8
作者：
Pal, Amrindra [1 ]
Kumar, Santosh [1 ]
Sharma, Sandeep [1 ]
机构：
[1] DIT Univ, Dept Elect & Commun Engn, Photon Lab, Dehra Dun 248009, Uttarakhand, India
来源：
OPTICAL ENGINEERING | 2016年 / 55卷 / 12期
关键词：
electro-optic effect; Mach-Zehnder interferometer; beam propagation method; lithium-niobate; optical computing; 1's complement; 2's complement; LOGIC GATES;
D O I：
10.1117/1.OE.55.12.125104
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical 1's and 2's complement devices are proposed with the help of lithium-niobate-based Mach-Zehnder interferometers. It has a powerful capability of switching an optical signal from one port to the other port with the help of an electrical control signal. The paper includes the optical conversion scheme using sets of optical switches. 2's complement is common in computer systems and is used in binary subtraction and logical manipulation. The operation of the circuits is studied theoretically and analyzed through numerical simulations. The truth table of these complement methods is verified with the beam propagation method and MATLAB (R) simulation results. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：9
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