Optical neuron using polarisation switching in a 1550nm-VCSEL

被引：72

作者：

Hurtado, Antonio ^{[1
]}

Henning, Ian D. ^{[1
]}

Adams, Michael J. ^{[1
]}

机构：

[1] Univ Essex, Sch Comp Sci & Elect Engn, Colchester CO4 3SQ, Essex, England

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 24期

关键词：

SURFACE-EMITTING LASERS; INJECTION; BISTABILITY; FEEDBACK; MODEL; IMPLEMENT; SUBJECT; VCSEL;

D O I：

10.1364/OE.18.025170

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a new approach to mimic basic functionalities of a neuron using a 1550 nm Vertical Cavity Surface Emitting Laser (VCSEL) which is based on the polarisation switching (PS) that can be induced in these devices when subject to polarised optical injection. Positive and negative all-optical threshold operations are demonstrated experimentally using external optical injection into the two orthogonal polarizations of the fundamental transverse mode. The polarisation of the light emitted by the device is used to determine the state of the VCSEL-Neuron, active (orthogonal) or inactive (parallel). This approach forms a new way to reproduce optically the response of a neuron to an excitatory and an inhibitory stimulus. (C) 2010 Optical Society of America

引用

页码：25170 / 25176

页数：7

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