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Publication # 149 |
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| A. L. Lentine, S. J. Hinterlong, T. J. Cloonan, F. B.
McCormick, D. A. B. Miller, L. M. F. Chirovsky, L. A. D'Asaro, R. F. Kopf,
J. M. Kuo "Quantum well optical tri-state devices" Applied Optics, 29,
1157-1160, (1990). The authors demonstrate quantum well tri-state logic devices for possible use in optical bus architectures. These optical devices are analogous to the tri-state devices often used in electronic buses, where each device can be actively on, actively off, or disabled with at most one device on the bus active at a time. They show two methods of generating these tri-state data, one using tri-state quantum well modulators and one using optical tri-state self-electrooptic effect devices, and they demonstrate a simple optical bus consisting of two such devices. Finally, they comment on the limitations on the number of devices that can be connected to a bus of this type |
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