公开(公告)号：EP4249894A2

公开(公告)日：2023-09-27

申请号：EP23163015.3

申请日：2023-03-21

Applicant: Apple Inc.

Inventor： PELC, Jason S. ,  ARBORE, Mark A. ,  TERREL, Matthew A. ,  GREENING, Thomas C. ,  TU, Yongming ,  GAN, Lucia

IPC: G01N21/25 ,  G01N21/31

Abstract: Various embodiments disclosed herein describe optical measurement systems for characterizing a sample. The optical measurement systems may selectively emit light from different numbers of launch groups, and may include a multi-stage optical switch network that may be controlled to route light to a desired number of launch groups. The optical measurement systems may further measure light using a corresponding number of detector groups. The optical measurement systems may perform measurements using a plurality of different wavelengths, where different groups of these wavelengths may be measured using different numbers of launch groups (as well as corresponding detector groups).

公开(公告)号：EP4155816A1

公开(公告)日：2023-03-29

申请号：EP22197090.8

申请日：2022-09-22

Applicant: Apple Inc.

Inventor： PELC, Jason S. ,  ARBORE, Mark Alan ,  WU, Yi-Kuei

IPC: G02F1/225 ,  G02B6/12 ,  G02B6/28 ,  G02B6/293

Abstract: Configurations for a modal interference device used for wavelength locking are disclosed. The modal interference device may be an interference device that includes an input waveguide, an interference waveguide, and an output waveguide. A fundamental mode of light may be launched into the input waveguide and the interference waveguide may receive the fundamental mode and generate a higher order mode of light, where the two modes of light may be superimposed while propagating through the interference waveguide. The two modes of light may be received at an output waveguide that collapses the two modes into a single mode and generates an output signal corresponding to the interference between the two modes of light. The output signal may be used to wavelength lock a measured wavelength to a target wavelength. The multiple output waveguides may produce output signals that have dead zones that do not align with one another for any wavelength in the wavelength range of interest.

公开(公告)号：EP4446799A1

公开(公告)日：2024-10-16

申请号：EP24157858.2

申请日：2024-02-15

Applicant: Apple Inc.

Inventor： PELC, Jason S. ,  LIU, Wei

IPC: G02F1/015 ,  G02F1/017 ,  G02F1/025

Abstract: Embodiments are directed to photonic integrated circuits that include a carrier-based phase shifter. The carrier-based phase shifter is configured as a PIN phase shifter with a waveguide formed from a strip extending from a slab waveguide. The PIN phase shifter includes a first set of doping regions positioned in a slab waveguide and a second set of doping regions positioned the strip. Each of the first set of doping regions has a first conductivity type, and each of the second set of doping regions has a second conductivity type that is different that the first conductivity type.

公开(公告)号：EP4343374A1

公开(公告)日：2024-03-27

申请号：EP23197128.4

申请日：2023-09-13

Applicant: Apple Inc.

Inventor： TERREL, Matthew A. ,  GERE, David S. ,  SUGARBAKER, Alexander F. ,  GREENING, Thomas C. ,  PELC, Jason S. ,  ARBORE, Mark A.

IPC: G01S7/481 ,  G01N21/25

Abstract: Embodiments are directed to optical measurement systems that utilize multiple emitters to emit light during a measurement, as well as methods of performing measurements using these optical measurement systems. The optical measurement systems may include a light generation assembly that is configured to generate light via a light source unit, and a photonic integrated circuit that includes a launch group having a plurality of emitters. Each of these emitters is optically coupled to the light generation assembly to receive light generated from the light generation assembly, and may emit this light from a surface of the photonic integrated circuit. The optical measurement system may perform a measurement in which the light generation assembly generates light and each of the plurality of emitters simultaneously emit light received from the light generation assembly.

公开(公告)号：EP4249894A3

公开(公告)日：2023-10-04

申请号：EP23163015.3

申请日：2023-03-21

Applicant: Apple Inc.

Inventor： PELC, Jason S. ,  ARBORE, Mark A. ,  TERREL, Matthew A. ,  GREENING, Thomas C. ,  TU, Yongming ,  GAN, Lucia

IPC: G01N21/25 ,  G01N21/31

Abstract: Various embodiments disclosed herein describe optical measurement systems for characterizing a sample. The optical measurement systems may selectively emit light from different numbers of launch groups, and may include a multi-stage optical switch network that may be controlled to route light to a desired number of launch groups. The optical measurement systems may further measure light using a corresponding number of detector groups. The optical measurement systems may perform measurements using a plurality of different wavelengths, where different groups of these wavelengths may be measured using different numbers of launch groups (as well as corresponding detector groups).