Optical: systems and elements – Holographic system or element – Using modulated or plural reference beams
Patent
1990-12-19
1992-07-21
Sugarman, Scott J.
Optical: systems and elements
Holographic system or element
Using modulated or plural reference beams
359 21, 364822, G03H 112
Patent
active
051328135
ABSTRACT:
An optical apparatus for simulating a highly interconnected neural network is disclosed as including a spatial light modulator (SLM), an inputting device, a laser, a detecting device, and a page-oriented holographic component. The inputting device applies input signals to the SLM. The holographic component optically interconnects N.sup.2 pixels defined on the spatial light modulator to N.sup.2 pixels defined on a detecting surface of the detecting device. The interconnections are made by N.sup.2 patterns of up to N.sup.2 interconnection weight encoded beams projected by N.sup.2 planar, or essentially two-dimensional, holograms arranged in a spatially localized array within the holographic component. The SLM modulates the encoded beams and directs them onto the detecting surface wherein a parameter of the beams is evaluated at each pixel thereof. The evaluated parameter is transformed according to a nonlinear threshold function to provide transformed signals which can be fed back to the SLM for further iterations.
REFERENCES:
patent: 4567569 (1986-01-01), Caulfield
patent: 4660166 (1987-04-01), Hopfield
patent: 4739496 (1988-04-01), Marom et al.
patent: 4750153 (1988-06-01), Owechko
patent: 4752906 (1988-06-01), Kleinfeld
patent: 4762397 (1988-08-01), Pepper
patent: 4809204 (1989-02-01), Dagenais et al.
patent: 4815027 (1989-03-01), Tokumitsu
patent: 4892370 (1990-01-01), Lee
patent: 4961615 (1990-10-01), Owechko et al.
patent: 4963725 (1990-10-01), Hong et al.
patent: 5004309 (1991-04-01), Caulfield et al.
H. J. Caulfield et al., "Optical Computing: The Coming Revolution in Optical Signal Processing", Laser Focus/Electro-Optics, Nov. 1983, pp. 100-110.
Kosko, B., Society for Photo Optical Instrumentation and Engineers (SPIE), Proceedings: Image Understanding, v. 758, Jan. 1987.
Kosko, B., "Competitive Adaptive Bidirectional Associative Memories", Proceedings of the International Conference on Neural Networks, Jun. 1987.
Kosko, B., "Adaptive Bidirectional Associative Memories", Appl. Opt., vol. 26, No. 23 (Dec. 1987).
Goodman, J. W., Dias, A. R., Woody, L. M., "Fully Parallel, High Speed Incoherent Optical Method for Performing Discrete Fourier Transforms", OPT. Lett. 2, pp. 1-3 (1978).
Kosko, B., and Guest, C., "Optical Bidirectional Associative Memories", Society for Photo Optical Instrumentation and Engineers (SPIE), Proceedings: Image Understanding, v. 758, 1987.
Farhat, N. H., "Architectures for Optoelectronic Analogs of Self-Organizing Neural Networks", OPT Lett. 12, 6 (1987).
Caulfield, H. J., Paralle N.sup.4 Weighted Optical Interconnections, Appl. Opt., 26, pp. 4039-4040 (1987).
Shamir, J., "Three-Dimensional Optical Interconnection Gate Array" Appl. Opt., 26, pp. 3455-3457 (1987).
Handschy, M. A., Johnson, K. M., Cathey, W. T. and Pagano-Stauffer, L. A., "Polarization-Based Optical Parallel Logic Gate Utilizing Ferroelectric Liquid Crystals", Opt. Lett. 12, 8, pp. 611-613 (1987).
Gibbs, H. M. and Peyghambarian, N., "Nonlinear Etalongs and Optical Computing", SPIE vol. 700 IOCC Proceedings: 1986 International Optical Computing Conference, pp. 64-70.
Smith, S. D., "Optical Bistability, Photonic Logic and Optical Computation" Appl. Opt., vol. 25, No. 10, pp. 1550-1564 (1986).
Caulfield H. John
Hester Charles F.
Kinser Jason M.
Shamir Joseph
Ryan J. P.
Sugarman Scott J.
Teledyne Industries Inc.
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