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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Field-Programmable Smart-Pixel Arrays: Design, Vlsi Implementation, And Applications, Sherif S. Sherif, Stefan K. Griebel, Albert Au, Dennis Hui, Ted H. Szymanski, Harvard Scott Hinton
Field-Programmable Smart-Pixel Arrays: Design, Vlsi Implementation, And Applications, Sherif S. Sherif, Stefan K. Griebel, Albert Au, Dennis Hui, Ted H. Szymanski, Harvard Scott Hinton
H. Scott Hinton
A smart-pixel array is a two-dimensional array of optoelectronic devices that combine optical inputs and outputs with electronic processing circuitry. A field-programmable smart-pixel array (FP-SPA) is a smart-pixel array capable of having its electronic functionality dynamically programmed in the field. Such devices could be used in a diverse range of applications, including optical switching, optical digital signal processing, and optical image processing. We describe the design, VLSI implementation, and applications of a first-generation FP-SPA implemented with the 0.8-μm complementary metal-oxide semiconductor–self-electro-optic effect device technology made available through the Lucent Technologies–Advanced Research Projects Agency Cooperative (Lucent/ARPA/COOP) program. We report spice simulations …
Symmetric Self-Electro-Optic Effect Device: Optical Set-Reset Latch, A. L. Lentine, Scott Hinton, D.A. B. Miller, J. E. Henry, J. E. Cunningham, L.M. F. Chirovsky
Symmetric Self-Electro-Optic Effect Device: Optical Set-Reset Latch, A. L. Lentine, Scott Hinton, D.A. B. Miller, J. E. Henry, J. E. Cunningham, L.M. F. Chirovsky
H. Scott Hinton
We demonstrate an integrated symmetric self-electro-optic effect device consisting of two quantum well p-i-n diodes electrically connected in series. The device acts as a bistable optical memory element with individual set (S) and reset (R) inputs and complementary outputs (optical S-R latch). The switching point is determined by the ratio of the two inputs, making the device insensitive to optical power supply fluctuations when both power beams are derived from the same source. The device also shows time-sequential gain, in that the state can be set using low-power beams and read out with subsequent high-power beams. The device showed bistability …
Design And Characterization Of A Microchannel Optical Interconnect For Optical Backplanes, Yongsheng Liu, Brian Robertson, David V. Plant, Harvard Scott Hinton, William M. Robertson
Design And Characterization Of A Microchannel Optical Interconnect For Optical Backplanes, Yongsheng Liu, Brian Robertson, David V. Plant, Harvard Scott Hinton, William M. Robertson
H. Scott Hinton
The design, modeling, and experimental characterization of a microchannel-based free-space optical interconnect is described. The microchannel interconnect was used to implement a representative portion of an optical backplane that was based on field-effect transistor, self-electro-optic device smart-pixel transceivers. Telecentric relays were used to form the optical interconnect, and two modes based on two different optical window clusterings were implemented. The optical system design, including the optical geometry for different degrees of clustering of windows supported by a lenslet relay and the image mapping associated with a free-space optical system, is described. A comparison of the optical beam properties at the …
Reconfigurable Intelligent Optical Backplane For Parallel Computing And Communications, Ted H. Szymanski, Harvard Scott Hinton
Reconfigurable Intelligent Optical Backplane For Parallel Computing And Communications, Ted H. Szymanski, Harvard Scott Hinton
H. Scott Hinton
A reconfigurable intelligent optical backplane architecture for parallel computing and communications is described. The backplane consists of a large number of reconfigurable optical channels organized in a ring with relatively simple point-to-point optical interconnections between neighboring smart-pixel arrays. The intelligent backplane can implement (l) dynamically reconfigurable connections between any printed circuit boards, (2) dynamic embeddings of classical interconnection networks such as buses, rings, multidimensional meshes, hypercubes, shuffles, and crossbars, (3) multipoint switching, (4) sorting, (5) parallel-prefix operations, (6) pattern-matching operations, (7) snoopy caches and intelligent memory systems, and (8) media-access control functions. The smart-pixel arrays can be enhanced to include …
Optical Computing: Introduction By The Feature Editors, Scott Hinton, Bernard Soffer, Frank A.P. Tooley, Ken-Ichi Yukimatsu
Optical Computing: Introduction By The Feature Editors, Scott Hinton, Bernard Soffer, Frank A.P. Tooley, Ken-Ichi Yukimatsu
H. Scott Hinton
No abstract provided.