B. Keith Jenkins

Professor

B. Keith Jenkins received his B.S. degree in Applied Physics (with honors) from the California Institute of Technology in 1977, the M.S. and Ph.D. degrees in Electrical Engineering from the University of Southern California in 1979 and 1984.

Research Interests

• Parallel Digital Photonic Computing Architecture
• Optical and Photonic Artificial Neural Networks
• Fundamental Potential and Limitations of Optical Computing Systems
• 3-D Photonic Multichip Modules
• Neurobiologically Inspired Vision Algorithms and Photonic Implementation
• Diffractive Optical Elements
• Multiplexed Volume Holography
• 3-D Displays

Awards

• Northrop Assistant Professor (1987-1990)
• Presidential Young Investigator Award from NSF (1988-1993)

Technical Activities

• Program chair and general chair, OSA Topical Meeting on Optical Computing, March 1991 and March 1993, respectively
• Guest Editor, Special Issue on Optical Computing, Applied Optics, 1991-1992.
• Numerous advisory panels on optical computing and interconnections, photonics, and neural networks, for U.S. and E.C. government agencies and industrial associations.
• Chair, Optical Computing Technical Group of the Optical Society of America, 1996-1997.

Recent Ph.D.s

• Clare Waterson, May 1995, "Design for a Shared Memory Computer with a Combining Optical Interconnection Network Using External Routing," (Ph.D. Thesis, SIPI Technical Report No. 284).
• Kuang-Yu Li, December 1995, "Optical Shared Memory Computing and Multiple Access Protocols for Photonic Networks," (Ph.D. Thesis, SIPI Technical Report No. 291).
• Gregory C. Petrisor, December 1996, "Convergence of Backward-Error-Propagation Learning in Photorefractive Crystals," (Ph.D. Thesis, SIPI Technical Report No. 303).
• Adam A. Goldstein, May 1997, "Scalable Photonic Networks for Real-Time Pattern Classification," (Ph.D. Thesis, SIPI Technical Report No. 307).
• Ching-Chu Huang, August 1997, "Diffractive Optical Elements for Space-Variant Interconnection in Three-Dimensional Computation Structures," (Ph.D. Thesis, SIPI Technical Report No. 314).
• Sabino Piazzolla, December 1997, "Real Time Effects in Volume Holographic Materials for Optical Storage, Copying, and Optical Neural Networks," (Ph.D. Thesis, SIPI Technical Report No. 316).

For more information on Ph.D. Theses, the SIPI Technical Report List has links to short abstracts and ordering information.

Selected Publications

• "Photonic Implementations of Neural Networks," in B. Kosko, Ed., Neural Networks for Signal Processing, Prentice-Hall, 1992, with A.R. Tanguay, Jr.
• "Single Step Copying Process for Multiplexed Volume Holograms," Optics Letters, Vol. 17, No. 9, pp. 676-678, 1 May 1992, with S. Piazzolla and A. R. Tanguay, Jr.
• "Visual Cortex Operations and Their Implementation Using the Incoherent Optical Neuron Model," Applied Optics, Vol. 32, No. 11, pp. 1876-1887, 10 April 1993, with C.-H. Wang and J.-M. Wang.
• "Shared-Memory Optical/Electronic Computer: Architecture and Control," Applied Optics, Vol. 33, No. 8, pp. 1559-1574, 10 March 1994, with C. Waterson.
• "Parallel Architectures for Digital Optical Cellular Image Processing," Proc. IEEE, Vol. 82, No. 11, pp. 1711-1723, Nov. 1994, with K.-S. Huang, et. al.
• "Optical Parallel-Access Shared Memory System," Applied Optics, Vol. 34, No. 2, pp. 358-369, 10 Jan. 1995, with K.-Y. Li.
• "Gain and Exposure Scheduling to Compensate for Photorefractive Neural-Network Weight Decay," Optics Letters, Vol. 20, No. 6, pp. 611-613, 15 March 1995, with A. A. Goldstein and G. C. Petrisor.
• "Convergence of Backward-Error-Propagation Learning in Photorefractive Crystals," Applied Optics, Vol. 35, No. 8, pp. 1328-1343, 10 March 1996, with G. C. Petrisor, et. al.
• "Holographic Grating Formulation in Photopolymers," Optics Letters, Vol. 21, No. 14, pp. 1075-1077, 15 July 1996, with Sabino Piazzolla.
• "Space-Variant Interconnections Based on Diffractive Optical Elements for Neural Networks: Architectures and Crosstalk Reduction," Applied Optics, Vol. 37, No. 5, pp. 889-911, 10 February 1998, with C. Huang and C. B. Kuznia.
• "Dynamics During Holographic Exposure in Photopolymers for Single and Multiplexed Gratings," Journal of Modern Optics, Vol. 46, No. 15, pp. 2079-2110, December 1999, with Sabino Piazzolla.
• "Vertically Integrated Photonic Multichip Module Architecture for Vision Applications," in Optics in Computing 2000, R. A. Lessared, T. Galstian, Eds., SPIE Vol. 4089, pp. 584-600, June 2000, with A. R. Tanguay, Jr., et al.

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