Wisconsin Alumni Research Foundation

Technology

Type II Quantum Well Laser Devices

Fiber optic transmission of data across large distances involves the use of laser transmitters that generally operate at three primary wavelengths: 850 nanometers, 1.3 microns and 1.55 microns. Minima...
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Luke Mawst, Nelson Tansu | P02243US

Technology

SISO Model Predictive Controller

Currently, most single-input, single-output (SISO) systems use a proportional, integral, derivative (PID) controller. The PID controller is simple, fast, and easily implemented on simple computing har...
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James Rawlings, Gabriele Pannocchia, Nabil Laachi | P04113US

Technology

Semantically-Aware Network Intrusion Signature Generator

Network intrusion detection systems (NIDS) can help protect computer networks from worms, viruses and other malicious software. Today’s NIDS rely on a set of simple signatures to identify malici...
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Paul Barford, Somesh Jha, Vinod Yegneswaran, Jonathon Giffin | P05038US

Technology

High-Power-Gain, Bipolar Transistor Amplifier

Silicon is a relatively inexpensive material for making integrated power amplifiers for communications devices such as cell phones; however, these power amplifiers are generally limited to low power a...
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Zhenqiang Ma, Ningyue Jiang | P05260US

Technology

Efficient Statistical Timing Analysis of Circuits

For integrated circuits, including very large scale integration (VLSI) circuits, to work properly, the signals traveling along the gates and interconnects must be properly timed. Using classical case ...
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Lizheng Zhang, Chung-Ping Chen, Yu Hen Hu | P04377US

Technology

Adaptive Cache Compression System

The speed at which a computer executes its workload is constrained by the time it takes for data and instructions to be transferred from its memory to its processor. To reduce this “memory laten...
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David Wood, Alaa Alameldeen | P04273US

Technology

Scalable Monitor of Malicious Network Traffic

UW-Madison researchers previously described a system of analyzing malicious network traffic to automatically generate signatures that may be used by a network intrusion detection system (NIDS) to prot...
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Paul Barford, Vinod Yegneswaran, David Plonka | P05182US

Technology

Electro-Optic Optical Elements

Ferroelectric materials, such as crystalline lithium niobate, are very useful for fabricating a variety of optical and electronic devices, including optical switches and modulators, frequency switchin...
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Leon McCaughan, Thomas Kuech, Dovas Saulys, Vladimir Joshkin, Aref Chowdhury, Chad Staus | P02184US

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