Patents by Inventor Lars Helge Thylen
Lars Helge Thylen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11002912Abstract: In the examples provided herein, a system includes an input waveguide, where a first end of the input waveguide is coupled to a light-emitting optical transmitter to allow the emitted light to enter the input waveguide, and a first ring resonator tunable to be resonant at a first resonant wavelength, wherein the first ring resonator is positioned near the input waveguide to couple a light at the first resonant wavelength from the input waveguide to the first ring resonator. The system also has a bus waveguide positioned to couple the light at the first resonant wavelength in the first ring resonator to the bus waveguide, and a mechanism to wavelength-tune the first ring resonator to a particular wavelength.Type: GrantFiled: December 11, 2015Date of Patent: May 11, 2021Assignee: Hewlett Packard Enterprise Development LPInventors: Joaquin Matres, Wayne Victor Sorin, Sagi Mathai, Lars Helge Thylen, Michael Renne Ty Tan
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Patent number: 10795089Abstract: According to one example, the present application discloses an optical circuit comprising a grating to receive input light of mixed polarizations and output light of a same polarization to a first waveguide and a second waveguide. The first waveguide and second waveguide are optically coupled to a plurality of resonators that are coupled to a plurality of gratings that are to output light of mixed polarizations.Type: GrantFiled: March 12, 2019Date of Patent: October 6, 2020Assignee: Hewlett Packard Enterprise Development LPInventors: Lars Helge Thylen, Joaquin Matres Abril, Michael Renne Ty Tan
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Patent number: 10677990Abstract: In the examples provided herein, a system includes a loop waveguide; and a grating coupler formed on the loop waveguide to couple light impinging on the grating coupler having a first polarization into the loop waveguide in a first direction, and to couple light having a second polarization, orthogonal to the first polarization, into the loop waveguide in a second direction. The system also includes a ring resonator positioned near the loop waveguide tuned to have a resonant wavelength at a first wavelength to couple light at the first wavelength out of the loop waveguide into the ring resonator. An output waveguide positioned near the ring resonator couples light out of the ring resonator into the output waveguide; and a photodetector detects light propagating out of a first end and a second end of the output waveguide.Type: GrantFiled: December 11, 2015Date of Patent: June 9, 2020Assignee: Hewlett Packard Enterprise Development LPInventors: Joaquin Matres, Wayne Victor Sorin, Sagi Mathai, Lars Helge Thylen, Michael Renne Ty Tan, Marco Fiorentino
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Publication number: 20190212499Abstract: According to one example, the present application discloses an optical circuit comprising a grating to receive input light of mixed polarizations and output light of a same polarization to a first waveguide and a second waveguide. The first waveguide and second waveguide are optically coupled to a plurality of resonators that are coupled to a plurality of gratings that are to output light of mixed polarizations.Type: ApplicationFiled: March 12, 2019Publication date: July 11, 2019Inventors: Lars Helge Thylen, Joaquin Matres Abril, Michael Renne Ty Tan
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Publication number: 20190113686Abstract: In the examples provided herein, a system includes an input waveguide, where a first end of the input waveguide is coupled to a light-emitting optical transmitter to allow the emitted light to enter the input waveguide, and a first ring resonator tunable to be resonant at a first resonant wavelength, wherein the first ring resonator is positioned near the input waveguide to couple a light at the first resonant wavelength from the input waveguide to the first ring resonator. The system also has a bus waveguide positioned to couple the light at the first resonant wavelength in the first ring resonator to the bus waveguide, and a mechanism to wavelength-tune the first ring resonator to a particular wavelength.Type: ApplicationFiled: December 11, 2015Publication date: April 18, 2019Inventors: Joaquin Matres, Wayne Victor Sorin, Sagi Mathai, Lars Helge Thylen, Micheal Renne Ty Tan
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Patent number: 10261262Abstract: According to one example, the present application discloses an optical circuit comprising a grating to receive input light of mixed polarizations and output light of a same polarization to a first waveguide and a second waveguide. The first waveguide and second waveguide are optically coupled to a plurality of resonators that are coupled to a plurality of gratings that are to output light of mixed polarizations.Type: GrantFiled: April 28, 2017Date of Patent: April 16, 2019Assignee: Hewlett Packard Enterprise Development LPInventors: Lars Helge Thylen, Joaquin Matres Abril, Michael Renne Ty Tan
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Publication number: 20180314010Abstract: According to one example, the present application discloses an optical circuit comprising a grating to receive input light of mixed polarizations and output light of a same polarization to a first waveguide and a second waveguide. The first waveguide and second waveguide are optically coupled to a plurality of resonators that are coupled to a plurality of gratings that are to output light of mixed polarizations.Type: ApplicationFiled: April 28, 2017Publication date: November 1, 2018Inventors: Lars Helge THYLEN, Joaquin MATRES ABRIL, Michael Renne Ty TAN
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Patent number: 8948554Abstract: A slot-line waveguide optical switch system and method are disclosed. An optical switch system can include a slot-line waveguide optical switch that includes a plurality of wall portions that are each formed from a high refractive-index material and that are arranged to form a channel portion comprising an electro-optic material interposed to extend between the plurality of wall portions. The channel portion can include an input channel to receive an input optical signal and plural output channels to receive the input optical signal from the input channel. A channel switching system can provide a voltage to an electrode coupled to a corresponding wall portion to change a relative refractive index in the output channels via the electro-optic material and thereby switch the input optical signal to one of the output channels.Type: GrantFiled: October 10, 2011Date of Patent: February 3, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Lars Helge Thylen, Michael Renne Ty Tan, Alexandre M Bratkovski, Shih-Yuan Wang, Wayne V. Sorin, Michael Josef Stuke
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Patent number: 8699831Abstract: A method includes fabricating a circuit element and a connection to the circuit element for a photonic integrated circuit. The method includes associating a configurable material with the circuit element and activating the configurable material via a poling rail and the connection to the circuit element during production of the integrated circuit.Type: GrantFiled: October 28, 2011Date of Patent: April 15, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Lars Helge Thylen, Michael Renne Ty Tan, Shih-Yuan Wang, Alexandre M Bratkovski, Wayne V Sorin, Michael Josef Stuke
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Patent number: 8664605Abstract: A covert label structure comprising a three dimensional diffracting optical element layer (100) having a depth profile for producing a predetermined pattern, wherein different portions of a top surface of the diffracting optical element layer (100) have at least two different depths relative to a bottom surface of the diffracting optical element layer (100), wherein the depth profile spans across two dimensions of the top surface of the diffracting optical element layer (100), and wherein the top surface reflects light according to the predefined pattern and an overcoat layer (108) over the top surface of the diffracting optical element layer (100) wherein the overcoat layer (108) is opaque to at least one wavelength of light.Type: GrantFiled: April 28, 2009Date of Patent: March 4, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Alexandre M. Bratkovski, Lars Helge Thylen
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Patent number: 8665432Abstract: An apparatus for performing surface enhanced Raman spectroscopy (SERS) includes a substrate and a plurality of nano-pillars, each of the plurality of nano-pillars having a first end attached to the substrate, a second end located distally from the substrate, and a body portion extending between the first end and the second end, in which the plurality of nano-pillars are arranged in an array on the substrate, and in which each of the plurality of nano-pillars is formed of a polymer material that is functionalized to expand in the presence of a fluid to cause gaps between the plurality of nano-pillars to shrink when the fluid is supplied onto the nano-pillars.Type: GrantFiled: October 29, 2010Date of Patent: March 4, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Min Hu, Michael Josef Stuke, Zhiyong Li, Wei Wu, Fung Suong Ou, Shih-Yuan Wang, Lars Helge Thylen
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Patent number: 8603606Abstract: A device for Surface Enhanced Raman Scattering (SERS). The device includes a plurality of nanostructures protruding from a surface of a substrate, a SERS active metal disposed on a portion of said plurality of nanostructures, and a low friction film disposed over the plurality of nanostructures and the SERS active metal. The low friction film is to prevent adhesion between the plurality of nanostructures.Type: GrantFiled: October 29, 2010Date of Patent: December 10, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventors: Michael Josef Stuke, Zhiyong Li, Shih-Yuan Wang, Fung Suong Ou, Min Hu, Wei Wu, Lars Helge Thylen
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Patent number: 8462333Abstract: An apparatus for performing SERS includes a substrate and flexible nano-fingers, each of the nano-fingers having a first end attached to the substrate, a free second end, and a body portion extending between the first end and the second end, in which the nano-fingers are arranged in an array on the substrate. The apparatus also includes an active material layer disposed on each of the second ends of the plurality of nano-fingers, in which the nano-fingers are to be in a substantially collapsed state in which the active layers on at least two of the nano-fingers contact each other under dominant attractive forces between the plurality of nano-fingers and in which the active material layers are to repel each other when the active material layers are electrostatically charged.Type: GrantFiled: October 15, 2010Date of Patent: June 11, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventors: Wei Wu, Zhiyong Li, Shih-Yuan Wang, Michael Josef Stuke, Lars Helge Thylen, Fung Suong Ou, Min Hu
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Publication number: 20130108207Abstract: A method includes fabricating a circuit element and a connection to the circuit element for a photonic integrated circuit. The method includes associating a configurable material with the circuit element and activating the configurable material via a poling rail and the connection to the circuit element during production of the integrated circuit.Type: ApplicationFiled: October 28, 2011Publication date: May 2, 2013Inventors: Lars Helge Thylen, Michael Renne Ty Tan, Shih-Yuan Wang, Alexandre M. Bratkovski, Wayne V. Sorin, Michael Josef Stuke
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Publication number: 20130089288Abstract: A slot-line waveguide optical switch system and method are disclosed. An optical switch system can include a slot-line waveguide optical switch that includes a plurality of wall portions that are each formed from a high refractive-index material and that are arranged to form a channel portion comprising an electro-optic material interposed to extend between the plurality of wall portions. The channel portion can include an input channel to receive an input optical signal and plural output channels to receive the input optical signal from the input channel. A channel switching system can provide a voltage to an electrode coupled to a corresponding wall portion to change a relative refractive index in the output channels via the electro-optic material and thereby switch the input optical signal to one of the output channels.Type: ApplicationFiled: October 10, 2011Publication date: April 11, 2013Inventors: LARS HELGE THYLEN, Michael Renne Ty Tan, Alexandre M. Bratkovski, Shih-Yuan Wang, Wayne V. Sorin, Michael Josef Stuke
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Patent number: 8368118Abstract: A semiconductor structure includes a substrate, a thermally and electrically conductive mask positioned upon the substrate, and an epitaxial lateral over growth (ELOG) material positioned upon the thermally and electrically conductive mask.Type: GrantFiled: December 16, 2008Date of Patent: February 5, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventors: Shih-Yuan Wang, Lars Helge Thylen, Sagi Varghese Mathai
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Publication number: 20120107569Abstract: A device for Surface Enhanced Raman Scattering (SERS). The device includes a plurality of nanostructures protruding from a surface of a substrate, a SERS active metal disposed on a portion of said plurality of nanostructures, and a low friction film disposed over the plurality of nanostructures and the SERS active metal. The low friction film is to prevent adhesion between the plurality of nanostructures.Type: ApplicationFiled: October 29, 2010Publication date: May 3, 2012Inventors: Michael Josef Stuke, Zhiyong Li, Shih-Yuan Wang, Fung Suong Ou, Min Hu, Wei Wu, Lars Helge Thylen
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Publication number: 20120105841Abstract: An apparatus for performing surface enhanced Raman spectroscopy (SERS) includes a substrate and a plurality of nano-pillars, each of the plurality of nano-pillars having a first end attached to the substrate, a second end located distally from the substrate, and a body portion extending between the first end and the second end, in which the plurality of nano-pillars are arranged in an array on the substrate, and in which each of the plurality of nano-pillars is formed of a polymer material that is functionalized to expand in the presence of a fluid to cause gaps between the plurality of nano-pillars to shrink when the fluid is supplied onto the nano-pillars.Type: ApplicationFiled: October 29, 2010Publication date: May 3, 2012Inventors: Min Hu, Michael Josef Stuke, Zhiyong Li, Wei Wu, Fung Suong Ou, Shih-Yuan Wang, Lars Helge Thylen
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Publication number: 20120092660Abstract: An apparatus for performing SERS includes a substrate and flexible nano-fingers, each of the nano-fingers having a first end attached to the substrate, a free second end, and a body portion extending between the first end and the second end, in which the nano-fingers are arranged in an array on the substrate. The apparatus also includes an active material layer disposed on each of the second ends of the plurality of nano-fingers, in which the nano-fingers are to be in a substantially collapsed state in which the active layers on at least two of the nano-fingers contact each other under dominant attractive forces between the plurality of nano-fingers and in which the active material layers are to repel each other when the active material layers are electrostatically charged.Type: ApplicationFiled: October 15, 2010Publication date: April 19, 2012Inventors: Wei Wu, Zhiyong Li, Shih-Yuan Wang, Michael Josef Stuke, Lars Helge Thylen, Fung Suong Ou, Min Hu
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Publication number: 20120033204Abstract: A covert label structure comprising a three dimensional diffracting optical element layer (100) having a depth profile for producing a predetermined pattern, wherein different portions of a top surface of the diffracting optical element layer (100) have at least two different depths relative to a bottom surface of the diffracting optical element layer (100), wherein the depth profile spans across two dimensions of the top surface of the diffracting optical element layer (100), and wherein the top surface reflects light according to the predefined pattern and an overcoat layer (108) over the top surface of the diffracting optical element layer (100) wherein the overcoat layer (108) is opaque to at least one wavelength of light.Type: ApplicationFiled: April 28, 2009Publication date: February 9, 2012Inventors: Alexandre M. Bratkovski, Lars Helge Thylen