Asynchronous spiking photonic neuron for lightwave neuromorphic signal processing

被引：26
|
作者：
Fok, Mable P. [1 ]
Tian, Yue [1 ]
Rosenbluth, David [2 ]
Prucnal, Paul R. [1 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Lightwave Commun Res Lab, Princeton, NJ 08544 USA
[2] Lockheed Martin Adv Technol Lab, Cherry Hill, NJ 08002 USA
来源：
OPTICS LETTERS | 2012年 / 37卷 / 16期
关键词：
D O I：
10.1364/OL.37.003309
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We developed an asynchronous spiking photonic neuron that forms the basic building block for hybrid analog/digital lightwave neuromorphic processing. Our approach enables completely asynchronous spiking in response to input signals while maximizing the throughput relative to synchronous approaches. Asynchronous operation is achieved by generating the spike source for the photonic neuron through four-wave mixing. This hybrid analog/digital photonic neuron has an electro-absorption modulator as the temporal integration unit for analog processing, while the digital processing portion employs optical thresholding in a highly Ge-doped nonlinear loop mirror. (C) 2012 Optical Society of America
引用
收藏
页码：3309 / 3311
页数：3
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