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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 24 — Nov. 22, 2010
  • pp: 25170–25176

Optical neuron using polarisation switching in a 1550nm-VCSEL

Antonio Hurtado, Ian D. Henning, and Michael J. Adams  »View Author Affiliations


Optics Express, Vol. 18, Issue 24, pp. 25170-25176 (2010)
http://dx.doi.org/10.1364/OE.18.025170


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Abstract

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.

© 2010 OSA

OCIS Codes
(200.4700) Optics in computing : Optical neural systems
(230.5440) Optical devices : Polarization-selective devices
(130.4815) Integrated optics : Optical switching devices
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Optics in Computing

History
Original Manuscript: September 1, 2010
Revised Manuscript: October 15, 2010
Manuscript Accepted: October 18, 2010
Published: November 17, 2010

Citation
Antonio Hurtado, Ian D. Henning, and Michael J. Adams, "Optical neuron using polarisation switching in a 1550nm-VCSEL," Opt. Express 18, 25170-25176 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-24-25170


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References

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