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Smart pixel optoelectronic device arrays enable the interconnection and communication advantages of optics to complement the processing power of electronics in computing and switching applications. GaAs multiquantum well (MQW) FET-SEED smart pixels have been used in a 32 input, 16 output multistage switching fabric prototype1 using 5 stages of (2,1,1) node arrays2 (16 nodes/stage), as shown in Fig. 1(a). Optimization of the initial system experiment has increased the fabric's bit rate from 50 Mb/s to 155 Mb/s per channel. As shown in Fig. 2, these FET-SEED systems incorporate smart pixels using GaAs MQW modulators and detectors, computer generated holograms, 2-D fiber bundles, external cavity semiconductor lasers, high resolution bulk and microoptics, and custom optical bench optomechanics.
© 1994 IEEE
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