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公开(公告)号：US20240385461A1
公开(公告)日：2024-11-21
申请号：US18571121
申请日：2022-06-24
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： Brian S. Lee , Adam Scofield , Jeffrey Driscoll , Richard Grote , Alexander Gondarenko , Yi Ho Lee , Andrea Trita
Abstract: A transmitter photonic integrated circuit (PIC) for generating an optical signal for optical spectroscopy of a surface, the transmitter PIC comprising: One or more coherent light source(s): a homogenizer, the homogenizer comprising a planar waveguide device and/or an optical phased array (OPA) which receives light from the coherent light source(s) and generates interference to produce multiple statistically uncorrelated speckle patterns that are combined to provide the optical output.
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公开(公告)号：US20230277062A1
公开(公告)日：2023-09-07
申请号：US18019085
申请日：2021-08-02
Applicant: Rockley Photonics Limited
Inventor： Cristiano Dalvi , Sean Merritt , Hooman Abediasl , Jeffrey Driscoll , Alexander Gondarenko , Richard Grote , Seiran Petikian , David Arlo Nelson
IPC: A61B5/00
CPC classification number: A61B5/0059 , A61B5/6802 , A61B2562/028
Abstract: 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.
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公开(公告)号：US20210311335A1
公开(公告)日：2021-10-07
申请号：US17352223
申请日：2021-06-18
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： James Dongyoon Oh , David Arlo Nelson , Pradeep Srinivasan , Amit Singh Nagra , Aaron John Zilkie , Jeffrey Driscoll , Aaron L. Birkbeck
Abstract: 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.
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公开(公告)号：US12189192B2
公开(公告)日：2025-01-07
申请号：US17744108
申请日：2022-05-13
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： Mohammadsadegh Faraji-Dana , Farzaneh Afshinmanesh , Iain Anteney , Jeffrey Driscoll , Alexander Gondarenko , Dhiraj Kumar , Abu Thomas , Andrea Trita , Aaron John Zilkie
Abstract: 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).
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公开(公告)号：US11766216B2
公开(公告)日：2023-09-26
申请号：US17757130
申请日：2020-12-11
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： 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
CPC classification number: A61B5/6801 , A61B5/0075 , A61B5/01 , A61B5/02427 , A61B5/14532 , A61B5/14552 , A61B5/683 , G01J3/4412 , G02B6/12004 , G02B6/12007 , A61B2562/0238 , G02B2006/12061 , G02B2006/12121 , G02B2006/12142
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US11150494B2
公开(公告)日：2021-10-19
申请号：US16550141
申请日：2019-08-23
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： 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
Abstract: 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.
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公开(公告)号：US12050345B2
公开(公告)日：2024-07-30
申请号：US17687068
申请日：2022-03-04
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： Abu Thomas , Andrea Trita , Jeffrey Driscoll
CPC classification number: G02B6/125 , G02B6/122 , G02B6/241 , G02B2006/12119
Abstract: 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.
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公开(公告)号：US11994716B2
公开(公告)日：2024-05-28
申请号：US17695451
申请日：2022-03-15
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： James Dongyoon Oh , Jeffrey Driscoll
CPC classification number: G02B6/124 , H01S5/0261 , G02B2006/12097 , G02B2006/12121 , G02F1/0147 , H01S5/0612 , H01S5/125
Abstract: 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.
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公开(公告)号：US11835762B2
公开(公告)日：2023-12-05
申请号：US17687144
申请日：2022-03-04
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： Abu Thomas , Andrea Trita , Jeffrey Driscoll
CPC classification number: G02B6/125 , G02B2006/12109
Abstract: 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.
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公开(公告)号：US11054674B2
公开(公告)日：2021-07-06
申请号：US16393889
申请日：2019-04-24
Applicant: ROCKLEY PHOTONICS LIMITED
Inventor： Dong Yoon Oh , David Arlo Nelson , Pradeep Srinivasan , Amit Singh Nagra , Aaron John Zilkie , Jeffrey Driscoll , Aaron L. Birkbeck
Abstract: 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.
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