Wisconsin Alumni Research Foundation

Technology

METHODS FOR FABRICATING QUANTUM DOT OPTOELECTRONIC DEVICES

Compound III-V semiconductors are foundational materials employed for state-of- the-art optoelectronic devices. Planar ultra-thin heterostructure materials, called quantum wells (QWs), are currently t...
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Luke Mawst, Chirag Gupta, Cheng Liu, Padma Gopalan, Nikhil Pokharel, Shubhra Pasayat | P240160US01

Technology

METHODS FOR FABRICATING OPTICAL METASURFACES

Optical metasurfaces enable unprecedented control over electromagnetic wave manipulation. By leveraging powerful resonance mechanisms supported by subwavelength structures arranged in two-dimensional ...
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Filiz Yesilkoy, Yuber Samir Sanchez Rosas, Wihan Adi | P240127US01

Technology

HIGH-EFFICIENCY DRIVE CIRCUIT AND BIDIRECTIONAL FET

Typically, bidirectional switching elements are fabricated using two FET devices, for example, arranged in series with opposite polarities, each device shunted by a diode to steer current to the prope...
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Chirag Gupta, Daniel Ludois, Shubhra Pasayat | P220279US02

Technology

THERMAL LASER WITH DYNAMIC BEAM STEERING

UW-Madison researchers have developed a compact thermal laser on a chip capable of steering emitted thermal radiation at a continuous range of angles through the application of a voltage. The device i...
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Victor Brar, Joel Siegel | P220363US01

Technology

BLOCK COPOLYMER SELF-ALIGNMENT ON ISOLATED CHEMICAL STRIPES

UW-Madison and University of Chicago researchers have developed a method for directed self-assembly of block copolymer films that relies on obtaining the correct balance of surface energies for the te...
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Michael Arnold, Robert Jacobberger, Paul Nealey, Shisheng Xiong, Zhenqiang Ma, Tzu-Hsuan Chang | P190247US02

Technology

ALKALI METAL OPTICAL CLOCK

UW researchers have invented a Cesium Lattice Optical Clock (CLOC) for high performance and simple operation in a compact form factor. The novel design uses a “forbidden” optical transition in Cs ...
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Mark Saffman, Shimon Kolkowitz, Arjav Sharma | P220217US01

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