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Optical Engineering

Restoring Optical Logic: Demonstration Of Extensible All-Optical Digital Systems
Author(s): S. D. Smith; A. C. Walker; B. S. Wherrett; F. A.P. Tooley; N. Craft; J. G.H. Mathew; M. R. Taghizadeh; I. Redmond; R. J. Campbell
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Paper Abstract

We show experimentally how nonlinear all-optical circuit elements can be used to create indefinitely extensible optical logic. By using a "lock and clock" architecture and an off-axis configuration of the power and signal beams, we avoid signal corruption and maintain an undiminished signal level through cascaded devices. Several loop circuits have been operated to simulate an optical classical finite state machine.

Paper Details

Date Published: 1 January 1987
PDF: 8 pages
Opt. Eng. 26(1) doi: 10.1117/12.7974020
Published in: Optical Engineering Volume 26, Issue 1
Show Author Affiliations
S. D. Smith, Heriot-Watt University (United Kingdom)
A. C. Walker, Heriot-Watt University (United Kingdom)
B. S. Wherrett, Heriot-Watt University (United Kingdom)
F. A.P. Tooley, Heriot-Watt University (United Kingdom)
N. Craft, Heriot-Watt University (United Kingdom)
J. G.H. Mathew, Heriot-Watt University (United Kingdom)
M. R. Taghizadeh, Heriot-Watt University (United Kingdom)
I. Redmond, Heriot-Watt University (United Kingdom)
R. J. Campbell, Heriot-Watt University (United Kingdom)


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