Laser and LED Arrays for Optical Computing
Small Business Information
30 Lovett Avenue, Newark, DE, 19711
Michael G. Mauk
Abstract1 New concepts in optical computing and optical interconnects require hardware developments of generic, compact, multi-element LED source array. A two dementional array of individually-addressable Light-emitting Diode optical emitters will be developed. An innovative CVD/LPE heteropitaxy technique will be employed for the monolithic integration of high-speed-surface-emitting AlGaAs/GaAs LEDs on silicon bipolar transistor driver circurity. The Phase I work utilizes a new surface-emitting LES design with projected modulation rates approaching 1 GB/swith opticalpower levels exeeding 0.2 mW. The heteroepitaxy process will be optimized with special consideration given to reducing defect densities associated with thermal stress and lattice-mismatch. The Phase I work will provide a basis for the production of large (up to 1000 x 1000 elements) prototype arrays durring a Phase II program.
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