Rockley Photonics Limited

Tate & Lyle, Inc.

Talres Development (n.a.) N.v.

Haydn Frederick Jones

Aaron John Zilkie

Guomin Yu

Hooman Abediasl

Amit Singh Nagra

Andrew George Rickman

Pradeep Srinivasan

Damiana Lerose

Nathan Farrington

Jeffrey B Driscoll

Adam C Scofield

Alexander Gondarenko

Benjamin Ver Steeg

Richard Grote

Alexander Fast

Aaron L Birkbeck

Cristiano Dalvi

Sean Merritt

Shuhe Li

Philip Perea

Craig Morris Gardner

Riaz A Khan

Chia-Te Chou

David Arlo Nelson

Yi Zhang

Joyce Kai See Poon

Dong Yoon Oh

Zheng Yong

Kenneth James

Roozbeh Parsa

William Vis

David Mccann

Harry R Galleymore

James S Plant, Deceased

Chaman L Bhardwaj

By Aline Plant, Administrator

Goumin Yu

Trevor Fowler

Caroline Lai

Miguel Ángel Guillén-Torres

William C Ford

Geoffrey M Waites

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.

Deformable membrane for speckle mitigation

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.

System and method for positioning a sensor on a subject

An optical assembly () for use in a wearable device is provided, the assembly () comprising: a prism (), a photonic integrated chip, PIC (), a substrate layer (), and a lid (); wherein the PIC () is mounted onto the substrate layer (); the prism () comprising: (i) a first input/output surface () optically coupled to the PIC (), and (ii) a second input/output surface () optically coupled to the lid (), the second input/output surface () orientated perpendicularly to the first input/output surface (), and wherein the prism () provides an optical path and reflects a percentage of light from the first input/output surface () to the second input/output surface (). Methods of manufacturing such an optical assembly are also provided.

Optical assemblies comprising a prism

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.

Optical sensing module

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.

Optical instrument and method for determining a wavelength of light generated by a light source, and optical system comprising the optical instrument

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.

Waveguide modulator structures

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.

Optical modulators

An optoelectronic device and method of making the same. The device comprising: a substrate; an epitaxial crystalline cladding layer, on top of the substrate; and an optically active region, above the epitaxial crystalline cladding layer; wherein the epitaxial crystalline cladding layer has a refractive index which is less than a refractive index of the optically active region, such that the optical power of the optoelectronic device is confined to the optically active region.

Optoelectronic device

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.

Porous silicon sensor

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.

An optical waveguide device comprising: one or more photonic chips, the one or more photonic chips including: a first portion of a photonic chip comprising an array of first components, each of the first components having an optical input and an electrical output; and a second portion of a photonic chip comprising an array of second components, each of the second components configured to receive an electrical input; the optical waveguide device further comprising: an integrated circuit; the integrated circuit forming an electrical bridge between the electrical outputs of the first components and respective electrical inputs of the second components; wherein the integrated circuit is directly mounted onto the one or more photonic chips; and/or wherein the integrated circuit is located between the first portion of a photonic chip and the second portion of a photonic chip.

Electronic/photonic chip integration and bonding

An optoelectronic device and method of making the same. In some embodiments, the optoelectronic device includes a substrate, a Mach-Zehnder waveguide modulator, and an epitaxial crystalline cladding layer. The Mach-Zehnder waveguide modulator includes a left arm including a left SiGe optical waveguide, and a right arm including a right SiGe optical waveguide, each of the left and right optical waveguides including a junction region and a plurality of electrodes for providing a bias across the junction to enable control of the phase of light travelling through the junction regions via dispersion. The epitaxial crystalline cladding layer is on top of the substrate and beneath the junction region of the left optical waveguide and/or the junction region of the right optical waveguide, and has a refractive index which is less than a refractive index of the respective junction region(s), such that optical power is confined to the respective junction region(s).

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, and wherein the optically active region is formed of: SiGeSn, GeSn, InGaNAs, or InGaNAsSb.

Growing community of inventors

Reading, United Kingdom

Haydn Frederick Jones