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Electric Field Sensor with Ultra-Sensitivity over Broad Frequency
NU 2010-149 Inventors Seng-Tiong Ho* Fei Yi Short DescriptionAn ultra-sensitive electric field detector (E-FED) over large frequency rangesAbstract Northwestern researchers have designed an ultra-sensitive electric field detector (E-FED) over large frequency ranges. Despite the level of difficulty in achieving high sensitivity over a broad frequency...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Engineering, Networking, Nonlinear optics, Sensors, Wireless
Category(s): Physical Sciences > Engineering & Technology
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Nonlinear Optic Glassy Fiber with Strong Intrinsic Second Harmonic Generation
NU 2007-166 and 2009-048 Inventors In Chung Mercouri Kanatzidis* Short DescriptionA nonlinear optic glassy fiber and thin film technology that produces coherent light at frequencies where lasers perform poorlyAbstract While most second harmonic generation (SHG) materials are oxide compounds, they are inefficient in the infrared (IR) region because...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Engineering, Nonlinear optics, Thin film
Category(s): Physical Sciences > Engineering & Technology
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Layer-by-Layer Self-Assembly of Large Response Molecular Electro-Optic Materials by a Desilylation Strategy
NU 2000-010InventorsSeng-Tiong HoTobin J. Marks*Milko Erik VanderboomSeongsik ChangAbstractA new efficient 'one-pot' synthesis of organic self-assembled superlattices having excellent electrooptic response properties. The method provides thermally and photochemically robust thin films that adhere to glass, silicon and ITO coated substrates. The technology...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Electronics & Circuits, Materials, Nonlinear optics, Thin film
Category(s): Physical Sciences > Materials and Industrial Processes
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Stress Manipulated Coating for Figure Reshape of Optics Mirrors
NU 2015-054 InventorsYouwei Yao Melville Ulmer* Jian Cao* Short DescriptionNovel coating method for improving surface quality of a thin film mirror AbstractNorthwestern scientists have developed a new method for producing lightweight optics with improved image quality by using a stress-manipulated coating. Telescopes sent into space require extremely...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Manufacturing/Processing, Materials, Nonlinear optics, Thin film
Category(s): Physical Sciences > Materials and Industrial Processes
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Highly Efficient Broadband Second Harmonic Generation using BaTiO3 Thin Film Waveguides
NU 2008-009InventorsBruce Wessels*Pao Tai LinShort DescriptionHighly efficient broadband SHG in the visible spectrum promising broad band sources for potential integrated photonic circuits.AbstractNorthwestern researchers have developed highly efficient broadband second harmonic generation (SHG) in the visible spectrum, which promises improved broadband...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Electronics & Circuits, Engineering, Networking, Nonlinear optics, Wireless
Category(s): Physical Sciences > Engineering & Technology
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Organic Electro-Optic Chromophores with Superior Hyperpolarizability
NU 2005-019 InventorsHu KangTobin Marks* AbstractNorthwestern researchers have developed a series of unconventional twisted π-electron system electro-optic (EO) chromophores with ultra-large first hyperpolarizabilities. Molecule-based EO materials are of great interest for optoelectronic and photonic applications. EO response is governed...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Electronics & Circuits, Materials, Nonlinear optics
Category(s): Physical Sciences > Materials and Industrial Processes
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BaTiO3 Thin Film Waveguide Modulator with an Increased Electrooptic Coefficient and Wider Bandwidth
NU 2004-060InventorsBruce Wessels*Anthony MeierPingsheng TangDavid TownerShort DescriptionA low-voltage, wide bandwidth, strip-loaded BaTiO3 thin film electro-optic amplitude modulator for use in high-speed optical communication networksAbsractNorthwestern researchers have developed a low-voltage, wide bandwidth, strip-loaded Barium Titanate (BaTiO3)...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Materials, Networking, Nonlinear optics, Thin film, Wireless
Category(s): Physical Sciences > Materials and Industrial Processes
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