Patents by Inventor Jeffrey Driscoll
Jeffrey Driscoll 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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Publication number: 20240130677Abstract: An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.Type: ApplicationFiled: August 3, 2023Publication date: April 25, 2024Inventors: Aaron John ZILKIE, Hooman ABEDIASL, Cristiano DALVI, Jeffrey DRISCOLL, Alexander GONDARENKO, Richard GROTE, Haydn Frederick JONES, Sean MERRITT, Roozbeh PARSA, Philip PEREA, Andrew George RICKMAN, Adam SCOFIELD, Guomin YU
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Publication number: 20230397818Abstract: A wearable device. In some embodiments, the wearable device includes: a sensing module; and a strap attached to the sensing module, the wearable device being configured to be worn by a user, with a lower surface of the sensing module in contact with the user, the strap extending over an upper surface of the sensing module.Type: ApplicationFiled: August 16, 2023Publication date: December 14, 2023Inventors: Todd Andrew NEWHOUSE, Evan Einbender AAMODT, Hooman ABEDIASL, Adrian Williamson BAHANI, Kate LeeAnn BECHTEL, Renata Melamud BERGER, Patrick John CASTAGNA, Suresh CHENGALVA, Lok Man CHU, Jennifer Lynn CORSO, Cristiano DALVI, Jeffrey DRISCOLL, Alexander FAST, Craig GADD, Alexander GONDARENKO, Richard GROTE, Christopher Alan HARRIS, Vafa JAMALI, Haydn Frederick JONES, Vish KULKARNI, Ferdyan LESMANA, Sean MERRITT, Roozbeh PARSA, Philip PEREA, Kyle RICK, Andrew George RICKMAN, Adam SCOFIELD, Breanna STACHOWSKI, Benjamin VER STEEG, Guomin YU, Aaron John ZILKIE
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Publication number: 20230400629Abstract: Echelle gratings with a shared free propagation region. In some embodiments, a system includes: a first echelle grating; and a second echelle grating. The first echelle grating may include: a first input waveguide having an end on a first Rowland circle; a first grating on the first Rowland circle; and a first output waveguide having an end on the first Rowland circle. The second echelle grating may include: a second input waveguide having an end on a second Rowland circle; a second grating on the second Rowland circle; and a second output waveguide having an end on the second Rowland circle. The second input waveguide may be separate from the first input waveguide, the second output waveguide may be separate from the first output waveguide, and the first Rowland circle may overlap the second Rowland circle.Type: ApplicationFiled: June 7, 2023Publication date: December 14, 2023Inventors: Shreyas Y. SHAH, Jeffrey DRISCOLL, Jin-Hyoung LEE, Aaron John ZILKIE
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Patent number: 11835762Abstract: A waveguide mode filter. In some embodiments, the waveguide mode filter includes a first section of waveguide. The first section may have: a first end; a second end; a rate of change of curvature having a magnitude not exceeding 15/mm2 within the first section; a curvature having a magnitude of at most 0.03/mm at the first end; and a curvature having a magnitude of at least 0.1/mm at the second end.Type: GrantFiled: March 4, 2022Date of Patent: December 5, 2023Assignee: Rockley Photonics LimitedInventors: Abu Thomas, Andrea Trita, Jeffrey Driscoll
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Publication number: 20230384514Abstract: A system including an optical transmitter. In some embodiments, the system includes: a first array of lasers; a first wavelength multiplexer, connected to the first array of lasers; a first coupler, connected to the wavelength multiplexer; and a first wavelength meter, connected to a first output of the first coupler.Type: ApplicationFiled: December 1, 2022Publication date: November 30, 2023Inventors: Yi Ho LEE, Jeffrey DRISCOLL, James Dongyoon OH
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Patent number: 11766216Abstract: An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.Type: GrantFiled: December 11, 2020Date of Patent: September 26, 2023Assignee: Rockley Photonics LimitedInventors: Aaron John Zilkie, Hooman Abediasl, Cristiano Dalvi, Jeffrey Driscoll, Alexander Gondarenko, Richard Grote, Haydn Frederick Jones, Sean Merritt, Roozbeh Parsa, Philip Perea, Andrew George Rickman, Adam Scofield, Goumin Yu
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Publication number: 20230277062Abstract: A sensor system for diffuse reflectance tissue monitoring, the sensor system comprising: one or more integrated photonic silicon or silicon nitride broadband transceiver circuits for multi-wavelength diffuse reflectance tissue monitoring, wherein the one or more transceiver circuits includes a transmitter photonic integrated circuit (PIC), the transmitter PIC comprising an optical phased array (OP A) the OP A comprising a steering mechanism to steer transmitted light across the tissue.Type: ApplicationFiled: August 2, 2021Publication date: September 7, 2023Inventors: Cristiano Dalvi, Sean Merritt, Hooman Abediasl, Jeffrey Driscoll, Alexander Gondarenko, Richard Grote, Seiran Petikian, David Arlo Nelson
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Publication number: 20230039055Abstract: A photonic integrated device comprising: a photonic integrated chip (PIC) adapted to investigate blood flow at a portion of tissue of a user, said PIC comprising: a laser having an optical output, or waveguide for guiding an optical output from an external laser, the optical output being split into a first optical component and a second optical component; wherein the first optical component is arranged to be transmitted to and generate speckle at the portion of tissue of the user; the photonic integrated device further comprising: one or more detectors, each detector configured to receive the speckle generated by the first optical component at the portion of tissue; and one or more optical splitters optically coupling the second optical component to one or more respective input(s) of the one or more detectors; wherein the photonic integrated device is further adapted to measure interference at the one or more detectors between a sample arm formed by the first optical component and a reference arm formed by thType: ApplicationFiled: July 25, 2022Publication date: February 9, 2023Inventors: Craig GARDNER, Jeffrey DRISCOLL, Kate LeeAnn BECHTEL
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Publication number: 20230019946Abstract: The invention refers to an optical device for heterodyne interferometry, comprising a chip, a beam splitter, a first waveguide arranged on the chip, light propagating in the first waveguide being guided to the beam splitter, a second waveguide arranged on the chip, light propagating in the second waveguide being guided to and/or from the beam splitter, wherein the beam splitter, the first waveguide, and the second waveguide form part of a Michelson interferometer, wherein the first waveguide and the second waveguide at least partially form two arms of the Michelson interferometer, and wherein two further arms of the Michelson interferometer are at least partially arranged outside the chip.Type: ApplicationFiled: December 11, 2020Publication date: January 19, 2023Inventors: Richard GROTE, Jeffrey DRISCOLL, Alexander GONDARENKO
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Publication number: 20230003938Abstract: An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.Type: ApplicationFiled: December 11, 2020Publication date: January 5, 2023Inventors: Aaron John ZILKIE, Hooman ABEDIASL, Cristiano DALVI, Jeffrey DRISCOLL, Alexander GONDARENKO, Richard GROTE, Haydn Frederick JONES, Sean MERRITT, Roozbeh PARSA, Philip PEREA, Andrew George RICKMAN, Adam SCOFIELD, Goumin YU
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Publication number: 20220370010Abstract: An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.Type: ApplicationFiled: June 9, 2022Publication date: November 24, 2022Inventors: Aaron John ZILKIE, Hooman ABEDIASL, Cristiano DALVI, Jeffrey DRISCOLL, Alexander GONDARENKO, Richard GROTE, Haydn Frederick JONES, Sean MERRITT, Roozbeh PARSA, Philip PEREA, Andrew George RICKMAN, Adam SCOFIELD, Goumin YU
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Publication number: 20220365280Abstract: An optical out-coupler unit for out-coupling light from a waveguide, comprising a substrate having a planar top surface, a waveguide arranged on the top surface of the substrate and having a facet, a reflective surface, wherein the reflective surface is arranged spaced apart from the facet and opposing the facet, wherein the reflective surface is inclined with respect to a normal to the top surface of the substrate by more than 45°. The optical out-coupler may be part of a photonic integrated chip (PIC).Type: ApplicationFiled: May 13, 2022Publication date: November 17, 2022Inventors: Mohammadsadegh FARAJI-DANA, Farzaneh AFSHINMANESH, Iain ANTENEY, Jeffrey DRISCOLL, Alexander GONDARENKO, Dhiraj KUMAR, Abu THOMAS, Andrea TRITA, Aaron John ZILKIE
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Publication number: 20220299704Abstract: An optical waveguide structure. In some embodiments, the optical waveguide structure includes a semiconductor waveguide having a waveguide ridge, and a heater. The waveguide ridge may have a varying dopant concentration across its cross-section. The heater may include a first contact and a second contact, and the waveguide structure may include a conductive path from the first contact to the second contact, the conductive path extending through a doped portion of the waveguide ridge.Type: ApplicationFiled: March 15, 2022Publication date: September 22, 2022Inventors: James Dongyoon OH, Jeffrey DRISCOLL
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Publication number: 20220283367Abstract: A waveguide mode filter. In some embodiments, the waveguide mode filter includes a first section of waveguide. The first section may have: a first end; a second end; a rate of change of curvature having a magnitude not exceeding 15/mm2 within the first section; a curvature having a magnitude of at most 0.03/mm at the first end; and a curvature having a magnitude of at least 0.1/mm at the second end.Type: ApplicationFiled: March 4, 2022Publication date: September 8, 2022Inventors: Abu THOMAS, Andrea TRITA, Jeffrey DRISCOLL
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Publication number: 20220283365Abstract: A photonic integrated circuit. In some embodiments, the photonic integrated circuit includes: a waveguide; and a waveguide facet, a first end of the waveguide being at the waveguide facet, a first angle being an angle between: the waveguide at the first end of the waveguide and the normal to the waveguide facet, the first angle being at least 5 degrees, a first section of the waveguide having a first end at the waveguide facet and a second end, the first section having: a curvature of less than 0.01/mm at the first end of the first section, a curvature of less than 0.01/mm at the second end of the first section, and a curvature of at least 0.1/mm at a point between the first end and the second end.Type: ApplicationFiled: March 4, 2022Publication date: September 8, 2022Inventors: Abu THOMAS, Andrea TRITA, Jeffrey DRISCOLL
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Patent number: 11150494Abstract: A Mach-Zehnder waveguide modulator. In some embodiments, the Mach-Zehnder waveguide modulator includes a first arm including a first optical waveguide, and a second arm including a second optical waveguide. The first optical waveguide includes a junction, and the Mach-Zehnder waveguide modulator further includes a plurality of electrodes for providing a bias across the junction to enable control of the phase of light travelling through the junction.Type: GrantFiled: August 23, 2019Date of Patent: October 19, 2021Assignee: Rockley Photonics LimitedInventors: Guomin Yu, Hooman Abediasl, Aaron L. Birkbeck, Jeffrey Driscoll, Haydn Frederick Jones, Damiana Lerose, Amit Singh Nagra, David Arlo Nelson, Dong Yoon Oh, Pradeep Srinivasan, Aaron John Zilkie
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Publication number: 20210311335Abstract: A modulator. In some embodiments, the modulator includes a portion of an optical waveguide, the waveguide including a rib extending upwards from a surrounding slab. The rib may have a first sidewall, and a second sidewall parallel to the first sidewall. The rib may include a first region of a first conductivity type, and a second region of a second conductivity type different from the first conductivity type. The second region may have a first portion parallel to and extending to the first sidewall, and a second portion parallel to the second sidewall. The first region may extend between the first portion of the second region and the second portion of the second region.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Inventors: James Dongyoon Oh, David Arlo Nelson, Pradeep Srinivasan, Amit Singh Nagra, Aaron John Zilkie, Jeffrey Driscoll, Aaron L. Birkbeck
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Patent number: 11054674Abstract: A modulator. In some embodiments, the modulator includes a portion of an optical waveguide, the waveguide including a rib extending upwards from a surrounding slab. The rib may have a first sidewall, and a second sidewall parallel to the first sidewall. The rib may include a first region of a first conductivity type, and a second region of a second conductivity type different from the first conductivity type. The second region may have a first portion parallel to and extending to the first sidewall, and a second portion parallel to the second sidewall. The first region may extend between the first portion of the second region and the second portion of the second region.Type: GrantFiled: April 24, 2019Date of Patent: July 6, 2021Assignee: Rockley Photonics LimitedInventors: Dong Yoon Oh, David Arlo Nelson, Pradeep Srinivasan, Amit Singh Nagra, Aaron John Zilkie, Jeffrey Driscoll, Aaron L. Birkbeck
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Patent number: 10877352Abstract: Embodiments include apparatuses, methods, and systems including a semiconductor photonic device having a substrate, a waveguide disposed above the substrate, a phase change layer disposed above the waveguide, and a heater disposed above the phase change layer. The waveguide has a modifiable refractive index based at least in part on a state of a phase change material included in the phase change layer. The phase change material of the phase change layer is in a first state of a set of states, and the waveguide has a first refractive index determined based on the first state of the phase change material. The heater is to generate heat to transform the phase change material to a second state of the set of states, and the waveguide has a second refractive index determined based on the second state of the phase change material. Other embodiments may also be described and claimed.Type: GrantFiled: July 19, 2019Date of Patent: December 29, 2020Assignee: Intel CorporationInventors: John Heck, Harel Frish, Derchang Kau, Charles Dennison, Haisheng Rong, Jeffrey Driscoll, Jonathan K. Doylend, George A. Ghiurcan, Michael E. Favaro
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Publication number: 20200133091Abstract: A modulator. In some embodiments, the modulator includes a portion of an optical waveguide, the waveguide including a rib extending upwards from a surrounding slab. The rib may have a first sidewall, and a second sidewall parallel to the first sidewall. The rib may include a first region of a first conductivity type, and a second region of a second conductivity type different from the first conductivity type. The second region may have a first portion parallel to and extending to the first sidewall, and a second portion parallel to the second sidewall. The first region may extend between the first portion of the second region and the second portion of the second region.Type: ApplicationFiled: April 24, 2019Publication date: April 30, 2020Inventors: DongYoon Oh, David Arlo Nelson, Pradeep Srinivasan, Amit Singh Nagra, Aaron John Zilkie, Jeffrey Driscoll, Aaron L. Birkbeck