Patents by Inventor Haydn Frederick Jones
Haydn Frederick Jones 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: 20240077688Abstract: An optical assembly (100) for use in a wearable device is provided, the assembly (100) comprising: a prism (104), a photonic integrated chip, PIC (108), a substrate layer (106), and a lid (102); wherein the PIC (108) is mounted onto the substrate layer (106); the prism (104) comprising: (i) a first input/output surface (112) optically coupled to the PIC (108), and (ii) a second input/output surface (114) optically coupled to the lid (102), the second input/output surface (114) orientated perpendicularly to the first input/output surface (112), and wherein the prism (104) provides an optical path and reflects a percentage of light from the first input/output surface (112) to the second input/output surface (114). Methods of manufacturing such an optical assembly are also provided.Type: ApplicationFiled: January 6, 2022Publication date: March 7, 2024Inventors: Chia-Te Chou, William Vis, Alexander Gondarenko, Shuhe Li, David McCann, Haydn Frederick Jones, Alexander Fast
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Publication number: 20240041328Abstract: A minimally invasive spectrophotometric system. In some embodiments, the system includes a minimally invasive device and a spectrophotometer. The spectrophotometer may include: a transmitting fiber, a receiving fiber, and a head. The head of the spectrophotometer may include: a light source connected to the transmitting fiber and a photodetector connected to the receiving fiber. A portion of the transmitting fiber may be in an insertion tube of the minimally invasive device, and a portion of the receiving fiber may be in the insertion tube of the minimally invasive device. The head of the spectrophotometer may occupy a volume of less than 300 cubic centimeters.Type: ApplicationFiled: December 13, 2021Publication date: February 8, 2024Inventors: Paul Mannion, Kate LeeAnn Bechtel, Suresh Chengalva, Chia-Te Chou, Lok Man Chu, Craig Gardner, Alexander Gondarenko, Richard Grote, Vafa Jamali, Haydn Frederick Jones, Jennifer Lynn CORSO, Roozbeh Parsa, Kyle Rick, Aaron John Zilkie
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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: 20230375525Abstract: An optical sensing module suitable for a gas phase sample, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: one or more lasers, each laser of the one or more lasers operating at a wavelength that is different from the wavelength of the others; one or more optical outputs for light originating from the one or more lasers, the optical output arranged such that the light interacts with the gas-phase sample; and one or more photodetectors configured to detect light after interaction with the gas-phase sample.Type: ApplicationFiled: September 27, 2021Publication date: November 23, 2023Inventors: Sean Merritt, Roozbeh Parsa, Suresh Chengalva, Cristiano Dalvi, Haydn Frederick Jones, Yi Zhang
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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: 20230228989Abstract: A system with a deformable membrane for speckle mitigation. In some embodiments, the system includes a laser for producing laser light; a photodetector for detecting the laser light after interaction of the laser light with a sample; and a silicon deformable membrane, for modulating the phase of the laser light.Type: ApplicationFiled: November 17, 2022Publication date: July 20, 2023Inventors: Alexander FAST, Aaron L. BIRKBECK, Craig GARDNER, Haydn Frederick JONES, Benjamin VER STEEG
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Publication number: 20230204496Abstract: An optical sensor for spectroscopic analysis of a sample, the optical sensor comprising: a photonic integrated chip (PIC) for providing light to the sample, the PIC comprising: one or more laser(s) designed to operate at one or more respective predetermined wavelength(s), each of the one or more laser(s) having an output that is optically coupled to an optical output of the PIC; and a monitor located on the PIC for determining the wavelength of the optical output; the optical sensor further comprising: a detector for collecting a spectrum from the sample; and one or more processors configured to: compare the wavelength of the laser(s) at the optical output with each of their respective predetermined wavelength(s); and if a deviation above a certain threshold is detected between the wavelength of the laser(s) and the predetermined wavelength(s), adapt the collected spectrum to generate a reconstructed spectrum; and use one or more datapoints from the reconstructed spectrum for the spectroscopic analysis.Type: ApplicationFiled: November 23, 2022Publication date: June 29, 2023Inventors: Benjamin VER STEEG, Craig GARDNER, Haydn Frederick JONES
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Patent number: 11686959Abstract: An optical instrument for determining a wavelength of light generated by a light source. The optical instrument may include a signal generator for generating a driving signal, a tunable optical filter device configured to receive the driving signal, the tunable optical filter device configured to diffract the light generated by the light source based on the driving signal, an optical detector device configured to detect a timing of maximum diffraction of light diffracted by the tunable optical filter device, and an analyzer configured to determine the wavelength of the light based the timing of maximum diffraction.Type: GrantFiled: June 3, 2022Date of Patent: June 27, 2023Assignee: Rockley Photonics LimitedInventors: Trevor Fowler, Richard Grote, Miguel Ángel Guillén-Torres, Caroline Lai, Haydn Frederick Jones
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Publication number: 20230038906Abstract: A system and method for positioning a sensor on a subject. In some embodiments, the system includes an instrument holder, the instrument holder being configured to be secured to a subject, and to hold an instrument temporarily.Type: ApplicationFiled: August 3, 2022Publication date: February 9, 2023Inventors: Benjamin VER STEEG, Amit Singh NAGRA, Haydn Frederick JONES
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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: 20220373829Abstract: An optical instrument for determining a wavelength of light generated by a light source. The optical instrument may include a signal generator for generating a driving signal, a tunable optical filter device configured to receive the driving signal, the tunable optical filter device configured to diffract the light generated by the light source based on the driving signal, an optical detector device configured to detect a timing of maximum diffraction of light diffracted by the tunable optical filter device, and an analyzer configured to determine the wavelength of the light based the timing of maximum diffraction.Type: ApplicationFiled: June 3, 2022Publication date: November 24, 2022Inventors: Trevor FOWLER, Richard GROTE, Miguel Ángel GUILLÉN-TORRES, Caroline LAI, Haydn Frederick JONES
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Publication number: 20220365380Abstract: The invention refers to an optical instrument for determining a wavelength of light generated by a light source, comprising a signal generator for generating a modulation signal, a tunable optical filter device configured to receive the modulation signal, the tunable optical filter device configured to modulate the light generated by the light source based on the modulation signal, an optical detector device configured to detect a degree of modulation of light modulated by the tunable optical filter device, and an analyser configured to determine the wavelength of the light based the degree of modulation.Type: ApplicationFiled: May 12, 2022Publication date: November 17, 2022Inventors: Trevor FOWLER, Richard GROTE, Miguel Ángel GUILLÉN-TORRES, Caroline LAI, Haydn Frederick JONES
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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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Patent number: 11101256Abstract: An optoelectronic device. The optoelectronic device operable to provide a PAM-N modulated output, the device comprising: M optical modulators, M being an integer greater than 1, the M optical modulators being arranged in a cascade, the device being configured to operate in N distinct transmittance states, as a PAM-N modulator, wherein, in each transmittance state of the N distinct transmittance states, each of the M optical modulators has applied to it a respective control voltage equal to one of: a first voltage or a second voltage. One or more of the modulators may include a substrate; a crystalline cladding layer, on top of the substrate; and an optically active region, above the crystalline cladding layer. The crystalline cladding layer may have a refractive index which is less than a refractive index of the optically active region.Type: GrantFiled: November 19, 2018Date of Patent: August 24, 2021Assignee: Rockley Photonics LimitedInventors: Guomin Yu, Amit Singh Nagra, Damiana Lerose, Hooman Abediasl, Pradeep Srinivasan, Joyce Kai See Poon, Zheng Yong, Haydn Frederick Jones
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Publication number: 20200124878Abstract: 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: ApplicationFiled: August 23, 2019Publication date: April 23, 2020Inventors: Guomin Yu, Hooman Abediasl, Aaron L. Birkbeck, Jeffrey Driscoll, Haydn Frederick Jones, Damiana Lerose, Amit Singh Nagra, David Arlo Nelson, DongYoon Oh, Pradeep Srinivasan, Aaron John Zilkie
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Patent number: 10613033Abstract: A chemical sensor, including a porous optical waveguide. The loss or index of refraction, or both, of the porous waveguide is affected by the presence of one or more chemicals of interest.Type: GrantFiled: March 12, 2019Date of Patent: April 7, 2020Assignee: Rockley Photonics LimitedInventors: Yi Zhang, Aaron John Zilkie, Haydn Frederick Jones, Adam Scofield
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Publication number: 20190285552Abstract: A chemical sensor, including a porous optical waveguide. The loss or index of refraction, or both, of the porous waveguide is affected by the presence of one or more chemicals of interest.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Inventors: Yi Zhang, Aaron John Zilkie, Haydn Frederick Jones, Adam Scofield
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Patent number: 10401656Abstract: An optoelectronic device and method of making the same. The device comprising: a substrate; a regrown cladding layer, on top of the substrate; and an optically active region, above the regrown cladding layer; wherein the regrown cladding layer has a refractive index which is less than a refractive index of the optically active region, such that an optical mode of the optoelectronic device is confined to the optically active region.Type: GrantFiled: September 27, 2018Date of Patent: September 3, 2019Assignee: Rockley Photonics LimitedInventors: Guomin Yu, Hooman Abediasl, Damiana Lerose, Amit Singh Nagra, Pradeep Srinivasan, Haydn Frederick Jones