Computer Simulations of Fully Cascadable Picosecond All-Optical Logic Using Nonlinear Semiconductor Etalons

Dean Richardson; H. M. Gibbs; S. W. Koch

doi:10.1109/3.81392

Computer Simulations of Fully Cascadable Picosecond All-Optical Logic Using Nonlinear Semiconductor Etalons

Dean Richardson, H. M. Gibbs, S. W. Koch

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A paired semiconductor etalon scheme for all-optical decision making is proposed, and the results of computer simulations of the device concept are presented. in the envisioned architecture, a two-wavelength logic-gate etalon is operated in series with an “upconverter” etalon to allow cascadable operation on a picosecond time-scale. The paired device achieves a fanout of at least two, as well as good overall contrast, requiring a total input energy of about 75 pJ to perform a single logic operation. The energy requirement might be reduced through the use of multiple-quantum-well materials. The computer simulations of the device behavior are based on a realistic model for the carrier-density-dependent optical nonlinearities of bulk GaAs.

Original language	English (US)
Pages (from-to)	804-808
Number of pages	5
Journal	IEEE Journal of Quantum Electronics
Volume	27
Issue number	3
DOIs	https://doi.org/10.1109/3.81392
State	Published - Mar 1991

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Computer Simulations of Fully Cascadable Picosecond All-Optical Logic Using Nonlinear Semiconductor Etalons",

abstract = "A paired semiconductor etalon scheme for all-optical decision making is proposed, and the results of computer simulations of the device concept are presented. in the envisioned architecture, a two-wavelength logic-gate etalon is operated in series with an “upconverter” etalon to allow cascadable operation on a picosecond time-scale. The paired device achieves a fanout of at least two, as well as good overall contrast, requiring a total input energy of about 75 pJ to perform a single logic operation. The energy requirement might be reduced through the use of multiple-quantum-well materials. The computer simulations of the device behavior are based on a realistic model for the carrier-density-dependent optical nonlinearities of bulk GaAs.",

author = "Dean Richardson and Gibbs, {H. M.} and Koch, {S. W.}",

note = "Funding Information: tical Circuitry Cooperative (OCC), and by the NSF under Grant EET 8808393. D. Richardson and H. M. Gibbs are with the Optical Sciences Center, University of Arizona, Tucson, AZ 85721. S. W. Koch is with the Optical Sciences Center and the Department of Physics, University of Arizona, Tucson, AZ 85721. IEEE Log Number 9143392. Funding Information: Manuscript received April 20, 1990; revised June 20, 1990. This work was supported by the RADC under Contract F30602-8910177, by the Op-",

year = "1991",

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AB - A paired semiconductor etalon scheme for all-optical decision making is proposed, and the results of computer simulations of the device concept are presented. in the envisioned architecture, a two-wavelength logic-gate etalon is operated in series with an “upconverter” etalon to allow cascadable operation on a picosecond time-scale. The paired device achieves a fanout of at least two, as well as good overall contrast, requiring a total input energy of about 75 pJ to perform a single logic operation. The energy requirement might be reduced through the use of multiple-quantum-well materials. The computer simulations of the device behavior are based on a realistic model for the carrier-density-dependent optical nonlinearities of bulk GaAs.

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