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Self-aware computer systems will be capable of adapting their behavior and resources thousands of times a second to automatically find the best way to accomplish a given goal despite changing environmental conditions and demands. Such a capability benefits a broad spectrum of computer systems from embedded systems to supercomputers and is particularly useful for meeting power, performance, and resource-metering...
Silicon carbide Super-GTOs are being pursued by the Army as a replacement for current silicon-based, high-power pulse switches. In this study, 0.5 cm2 silicon carbide SGTOs were evaluated in an RLC pulse circuit which provided a half-sine shaped pulse at a width of 1 ms. The parameters assessed were peak current capability, 1000-shot reliability, and current sharing between parallel switches. SGTOs...
We experimentally demonstrate a PMD monitoring technique utilizing the polarizer and low-speed detector for 80-Gb/s pol-muxed RZ-DPSK. RF power increment of 16.2 dB, insensitive to 0~100 ps/nm chromatic dispersion, is measured in the presence of 0~12 ps DGD.
We experimentally demonstrate an OSNR monitoring technique for 80-Gb/s polarization-multiplexed RZ-DPSK utilizing narrowband optical filter and RF spectrum analysis. Maximum RF power increment of 19.7 dB, insensitive to CD and PMD, is measured for monitoring of OSNR up to 27 dB.
The first experimental determination of the limitations of monitoring OSNR using the optical spectrum is provided for 10 and 40 Gb/s networks with high spectral efficiency and optical add-drop multiplexers.
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