Patents by Inventor Vladimir Shalaev
Vladimir Shalaev 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: 12159369Abstract: A method of providing super-resolved images of a photon emitting particle is disclosed, which includes providing a machine-learning (ML) platform, wherein the ML platform is configured to receive pixel-based sparse autocorrelation data and generate a predicted super-resolved image of a photon emitting particle, receiving photons from the photon emitting particle by two or more photon detectors, each generating an electrical pulse associated with receiving an incident photon thereon, generating sparse autocorrelation data from the two or more photon detectors for each pixel within an image area, and inputting the pixel-based sparse autocorrelation data to the ML platform, thereby generating a predicted super-resolved image of the imaging area, wherein the resolution of the super-resolved image is improved by ?n as compared to a classical optical microscope limited by Abbe diffraction limit.Type: GrantFiled: July 6, 2022Date of Patent: December 3, 2024Assignee: Purdue Research FoundationInventors: Zhaxylyk A. Kudyshev, Demid Sychev, Zachariah Olson Martin, Simeon I. Bogdanov, Xiaohui Xu, Alexander Kildishev, Alexandra Boltasseva, Vladimir Shalaev
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Patent number: 12007276Abstract: A spectroscopic microscope device, including at least one array of metasurfaces, and at least one CCD array integrated with the array of metasurfaces. The metasurfaces in the array are configured to separately direct LCP an RCP components of light incident on the metasurface to separate pixels in the CCD array.Type: GrantFiled: March 22, 2019Date of Patent: June 11, 2024Assignee: Purdue Research FoundationInventors: Rohith Chandrasekar, Amr Shaltout, Vladimir Shalaev, Alexander Chubykin, Alexei Lagutchev
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Publication number: 20230177642Abstract: A method of providing super-resolved images of a photon emitting particle is disclosed, which includes providing a machine-learning (ML) platform, wherein the ML platform is configured to receive pixel-based sparse autocorrelation data and generate a predicted super-resolved image of a photon emitting particle, receiving photons from the photon emitting particle by two or more photon detectors, each generating an electrical pulse associated with receiving an incident photon thereon, generating sparse autocorrelation data from the two or more photon detectors for each pixel within an image area, and inputting the pixel-based sparse autocorrelation data to the ML platform, thereby generating a predicted super-resolved image of the imaging area, wherein the resolution of the super-resolved image is improved by ?n as compared to a classical optical microscope limited by Abbe diffraction limit.Type: ApplicationFiled: July 6, 2022Publication date: June 8, 2023Applicant: Purdue Research FoundationInventors: Zhaxylyk A. Kudyshev, Demid Sychev, Zachariah Olson Martin, Simeon I. Bogdanov, Xiaohui Xu, Alexander Kildishev, Alexandra Boltasseva, Vladimir Shalaev
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Publication number: 20210234498Abstract: A system including a first cylindrical structure embedded into a second cylindrical structure. The first cylindrical structure includes a combustion chamber. The first cylinder additionally includes a plurality of plasmonic materials on an outer wall of the first cylindrical structure. The second cylindrical structure includes a plurality of photovoltaic cells on an inner wall of the second cylindrical structure. A radius of the second cylindrical structure is greater than a radius of the first cylindrical structure.Type: ApplicationFiled: May 1, 2020Publication date: July 29, 2021Applicant: Purdue Research FoundationInventors: Esteban Marinero-Caceres, Arnold Toppo, Sajid Choudhury, Urcan Guler, Zhaxylyk Kudyshev, Joseph Pekny, Swati Pol, Harsha Reddy, Vladimir Shalaev
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Patent number: 10760970Abstract: A circular dichroism spectrometer which comprises a metasurface. The metasurface has a plurality of anisotropic antennas configured to simultaneously spatially separate LCP and RCP spectral components from an incoming light beam. An optical detector array is included which detects the LCP and RCP spectral components. A transparent medium is situated between the metasurface and the optical detector array.Type: GrantFiled: December 26, 2018Date of Patent: September 1, 2020Assignee: Purdue Research FoundationInventors: Amr Mohammad E Shaltout, Alexander Kildishev, Vladimir Shalaev, Jingjing Liu
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Patent number: 10690817Abstract: An ultra-thin planar device is used for arbitrary waveform formation on a micrometer scale, regardless of the incident light's polarization. Patterned perforations are made in a 30 nm-thick metal film, creating discrete phase shifts and forming a desired wavefront of cross-polarized, scattered light. The signal-to-noise ratio of these devices is at least one order of magnitude higher than current metallic nano-antenna designs. The focal length of a lens built on such principle can also be adjusted by changing the wavelength of the incident light. All proposed embodiments can be embedded, for example, on a chip or at the end of an optical fiber.Type: GrantFiled: June 5, 2018Date of Patent: June 23, 2020Assignee: Purdue Research FoundationInventors: Vladimir Shalaev, Alexander Kildishev, Xingjie Ni, Satoshi Ishii
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Publication number: 20200025610Abstract: A spectroscopic microscope device, comprising at least one array of metasurfaces, and at least one CCD array integrated with the array of metasurfaces. The metasurfaces in the array are configured to separately direct LCP an RCP components of light incident on the metasurface to separate pixels in the CCD array.Type: ApplicationFiled: March 22, 2019Publication date: January 23, 2020Applicant: Purdue Research FoundationInventors: Rohith Chandrasekar, Amr Shaltout, Vladimir Shalaev, Alexander Chubykin, Alexei Lagoutchev
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Publication number: 20190219447Abstract: A circular dichroism spectrometer which comprises a metasurface. The metasurface has a plurality of anisotropic antennas configured to simultaneously spatially separate LCP and RCP spectral components from an incoming light beam. An optical detector array is included which detects the LCP and RCP spectral components. A transparent medium is situated between the metasurface and the optical detector array.Type: ApplicationFiled: December 26, 2018Publication date: July 18, 2019Applicant: Purdue Research FoundationInventors: Amr Shaltout, Alexander Kildishev, Vladimir Shalaev, Jingjing Liu
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Publication number: 20190033496Abstract: A method of making an optical device including forming a plurality of holes with varying radii milled vertically into a film, wherein said holes form a pattern. The radius of each hole determines an effective refractive index for said hole. The effective refractive index modifies a phase and an intensity of an incoming electromagnetic radiation as the radiation propagates through said hole. The device is configured to be operating equally for each linearly polarized radiation simultaneously, wherein the each linearly polarized radiation is normally incident on the device.Type: ApplicationFiled: August 7, 2018Publication date: January 31, 2019Applicant: Purdue Research FoundationInventors: Alexander Kildishev, Satoshi Ishii, Vladimir Shalaev
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Patent number: 10161797Abstract: A circular dichroism spectrometer which comprises a metasurface. The metasurface has a plurality of anisotropic antennas configured to simultaneously spatially separate LCP and RCP spectral components from an incoming light beam. An optical detector array is included which detects the LCP and RCP spectral components. A transparent medium is situated between the metasurface and the optical detector array.Type: GrantFiled: July 5, 2016Date of Patent: December 25, 2018Assignee: PURDUE RESEARCH FOUNDATIONInventors: Amr Shaltout, Alexander Kildishev, Vladimir Shalaev, Jingjing Liu
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Publication number: 20180292581Abstract: An ultra-thin planar device is used for arbitrary waveform formation on a micrometer scale, regardless of the incident light's polarization. Patterned perforations are made in a 30 nm-thick metal film, creating discrete phase shifts and forming a desired wavefront of cross-polarized, scattered light. The signal-to-noise ratio of these devices is at least one order of magnitude higher than current metallic nano-antenna designs. The focal length of a lens built on such principle can also be adjusted by changing the wavelength of the incident light. All proposed embodiments can be embedded, for example, on a chip or at the end of an optical fiber.Type: ApplicationFiled: June 5, 2018Publication date: October 11, 2018Applicant: Purdue Research FoundationInventors: Vladimir Shalaev, Alexander Kildishev, Xingjie Ni, Satoshi Ishii
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Patent number: 10042091Abstract: A planar optical device, comprised of sets of nanometer-scale holes milled into a thin metal or ceramic film of subwavelength thickness serves to form arbitrary waveform of light. The holes form a pattern, preferrably rings, of various sizes in order to achieve a given phase front of light due to photonic effect. When designed as a lens, the device focuses incident light into a tight focal spot. In symmetric design, the focusing property of the device does not depend on the incident polarization angle. The lens can be manufactured based on high-throughput fabrication methods and easily integrated with a chip or placed at the end of an optical fiber.Type: GrantFiled: September 26, 2013Date of Patent: August 7, 2018Assignee: PURDUE RESEARCH FOUNDATIONInventors: Alexander Kildishev, Satoshi Ishii, Vladimir Shalaev
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Patent number: 9989677Abstract: An ultra-thin planar device is used for arbitrary waveform formation on a micrometer scale, regardless of the incident light's polarization. Patterned perforations are made in a 30 nm-thick metal film, creating discrete phase shifts and forming a desired wavefront of cross-polarized, scattered light. The signal-to-noise ratio of these devices is at least one order of magnitude higher than current metallic nano-antenna designs. The focal length of a lens built on such principle can also be adjusted by changing the wavelength of the incident light. All proposed embodiments can be embedded, for example, on a chip or at the end of an optical fiber.Type: GrantFiled: September 4, 2013Date of Patent: June 5, 2018Assignee: PURDUE RESEARCH FOUNDATIONInventors: Vladimir Shalaev, Alexander Kildishev, Xingjie Ni, Satoshi Ishii
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Patent number: 9784888Abstract: A titanium nitride-based metamaterial, and method for producing the same, is disclosed, consisting of ultrathin, smooth, and alternating layers of a plasmonic titanium nitride (TiN) material and a dielectric material, grown on a substrate to form a superlattice. The dielectric material is made of A1-xScxN, where ‘x’ ranges in value from 0.2 to 0.4. The layers of alternating material have sharp interfaces, and each layer can range from 1-20 nanometers in thickness. Metamaterials based on titanium TiN, a novel plasmonic building block, have many applications including, but not ‘limited to emission enhancers, computer security, etc. The use of nitrogen vacancy centers in diamond, and light emitting diode (LED) efficiency enhancement is of particular interest.Type: GrantFiled: October 9, 2013Date of Patent: October 10, 2017Assignee: PURDUE RESEARCH FOUNDATIONInventors: Gururaj Naik, Bivas Saha, Timothy Sands, Vladimir Shalaev, Alexandra Boltasseva
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Publication number: 20170235162Abstract: A time-varying optical metasurface, comprising a plurality of modulated nano-antennas configured to vary dynamically over time. The metasurface may be implemented as part of an optical isolator, wherein the time-varying metasurface provides uni-directional light flow. The metasurface allows the breakage of Lorentz reciprocity in time-reversal. The metasurface may operate in a transmission mode or a reflection mode.Type: ApplicationFiled: July 13, 2016Publication date: August 17, 2017Applicant: Purdue Research FoundationInventors: Amr Shaltout, Alexander Kildishev, Vladimir Shalaev
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Publication number: 20170003169Abstract: A circular dichroism spectrometer which comprises a metasurface. The metasurface has a plurality of anisotropic antennas configured to simultaneously spatially separate LCP and RCP spectral components from an incoming light beam. An optical detector array is included which detects the LCP and RCP spectral components. A transparent medium is situated between the metasurface and the optical detector array.Type: ApplicationFiled: July 5, 2016Publication date: January 5, 2017Applicant: Purdue Research FoundationInventors: Amr Shaltout, Alexander Kildishev, Vladimir Shalaev, Jingjing Liu
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Publication number: 20150309218Abstract: An ultra-thin planar device is used for arbitrary waveform formation on a micrometer scale, regardless of the incident light's polarization. Patterned perforations are made in a 30 nm-thick metal film, creating discrete phase shifts and forming a desired wavefront of cross-polarized, scattered light. The signal-to-noise ratio of these devices is at least one order of magnitude higher than current metallic nano-antenna designs. The focal length of a lens built on such principle can also be adjusted by changing the wavelength of the incident light. All proposed embodiments can be embedded, for example, on a chip or at the end of an optical fiber.Type: ApplicationFiled: September 4, 2013Publication date: October 29, 2015Applicant: Purdue Research FoundationInventors: Vladimir Shalaev, Alexander Kildishev, Xingjie Ni, Satoshi Ishii
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Publication number: 20150285953Abstract: A titanium nitride-based metamaterial, and method for producing the same, is disclosed, consisting of ultrathin, smooth, and alternating layers of a plasmonic titanium nitride (TiN) material and a dielectric material, grown on a substrate to form a superlattice. The dielectric material is made of A1-xScxN, where ‘x’ ranges in value from 0.2 to 0.4. The layers of alternating material have sharp interfaces, and each layer can range from 1-20 nanometers in thickness. Metamaterials based on titanium TiN, a novel plasmonic building block, have many applications including, but not ‘limited to emission enhancers, computer security, etc. The use of nitrogen vacancy centers in diamond, and light emitting diode (LED) efficiency enhancement is of particular interest.Type: ApplicationFiled: October 9, 2013Publication date: October 8, 2015Applicant: Purdue Research FoundationInventors: Gururaj Viveka Naik, Bivas Saha, Timothy D. Sands, Vladimir Shalaev, Alexandra Boltasseva
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Publication number: 20150247960Abstract: A planar optical device, comprised of sets of nanometer-scale holes milled into a thin metal or ceramic film of subwavelength thickness serves to form arbitrary waveform of light. The holes form a pattern, preferrably rings, of various sizes in order to achieve a given phase front of light due to photonic effect. When designed as a lens, the device focuses incident light into a tight focal spot. In symmetric design, the focusing property of the device does not depend on the incident polarization angle. The lens can be manufactured based on high-throughput fabrication methods and easily integrated with a chip or placed at the end of an optical fiber.Type: ApplicationFiled: September 26, 2013Publication date: September 3, 2015Applicant: Purdue Research FoundationInventors: Alexander Kildishev, Ishii Satoshi, Vladimir Shalaev
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Patent number: 7298474Abstract: Instruments for molecular detection at the nano-molar to femto-molar concentration level include a longitudinal capillary column (10) of known wall thickness and diameter. The column (10) contains a medium (24) including a target molecule (30) and a plurality of optically interactive dielectric beads (26) on the order of about 10?6 meters up to about 10?3 meters and/or metal nanoparticles (31) on the order of 1-500 nm. A flow inducer (34) causes longitudinal movement of the target molecule within the column (10). A laser (14) introduces energy laterally with respect to the column (10) at a wavelength and in a direction selected to have a resonant mode within the capillary column wall (12) and couple to the medium (24). A detector (40) is positioned to detect Raman scattering occurring along the column (10) due to the presence of the target molecule.Type: GrantFiled: April 8, 2005Date of Patent: November 20, 2007Assignee: Purdue Research FoundationInventors: Vladimir P. Drachev, Vladimir Shalaev, Dongmao Zhang, Dor Ben-Amotz