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4 December 1998 Wavelength division multiplexed (WDM) data-block switching for parallel computing and interconnects
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We report a new generation switch, the data-block switch, which can greatly increase the capacity and reduce the complexity of the interconnect network of a parallel computing system. By using WDM techniques, parallel data can be multiplexed and transmitted through a single fiber. By using photonic switching techniques, we can switch a block of parallel data in one switch operation to any site desired. In this work, we demonstrate such an operation with our fabricated 1 X 2 semiconductor optical amplifier (SOA) switch. This integrated device is an active/passive Y- junction waveguide device with a passive waveguide region in the middle and 3 active waveguide regions at each end. The amplified spontaneous emission spectrum of the SOA shows that this broadband switch can easily cover a wavelength range of more than 64 ITU wavelength grids (100 GHz). The switch operation of multiple wavelengths and the switching speed of the device were studied. A switching time of around 400 ps was achieved.
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Jem Yu Fan, Xiangjun Zhao, Jun Ping Zhang, Fow-Sen Choa, Yanjie Chai, Jye-Hong Chen, E. Miller, Howard E. Motteler, Pao-Lo Liu, Tawee Tanbun-Ek, Patrick W. Wisk, Won-Tien Tsang, George J. Zydzik, and Charles A. Burrus "Wavelength division multiplexed (WDM) data-block switching for parallel computing and interconnects", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998);

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