XNOR门
逻辑门
异或门
计算机科学
光学计算
光开关
光子集成电路
光电子学
电子工程
电子束光刻
光学
光子学
材料科学
物理
工程类
与非门
纳米技术
抵抗
图层(电子)
作者
Huifu Xiao,Xu Han,Yongheng Jiang,Guanghui Ren,Arnan Mitchell,Daqiang Gao,Jianhong Yang,Yonghui Tian
出处
期刊:Optics Letters
[The Optical Society]
日期:2021-04-26
卷期号:46 (10): 2457-2457
被引量:6
摘要
Optical directed logic is a novel logic operation scheme that employs electrical signals as operands to control the working states of optical switches to perform the logic operations. In this Letter, we propose and demonstrate an integrated photonic circuit which can implement five different optical logic operations by utilizing two optical modes. The proposed device is fabricated on a silicon-on-insulator substrate by using electron beam lithography and inductively coupled plasma etching processes. The static experimental results show that the fabricated device can implement five different operations correctly—XOR, XNOR, NOR, NOT, and AND—from which we can see that the signal-to-noise ratios are larger than 17.6 dB over the entire C band for all five logic functions. At last, all five logic operations with the speed of 10 Kbps are demonstrated. The proposed device with simple structure, large bandwidth, and versatility would be a promising candidate for information processing in optical mode division multiplexing networks.
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