公开(公告)号：US20240118582A1

公开(公告)日：2024-04-11

申请号：US17963027

申请日：2022-10-10

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： YIWEI PENG ,  Yuan YUAN ,  Stanley Cheung

IPC: G02F1/21 ,  G02F1/225 ,  G06N3/04 ,  G06N3/067

CPC classification number: G02F1/212 ,  G02F1/2257 ,  G06N3/0481 ,  G06N3/0675 ,  G02F2203/15

Abstract: Systems, devices, and methods are provided for all-optical reconfigurable activation devices for realizing various activations functions using low input optical power. The device and systems disclosed herein include a directional coupler comprising a first phase-shift mechanism and an interferometer coupled to the directional coupler. The interferometer comprises at least one microring resonator and a second phase-shift mechanism coupled to thereto. The interferometer and the directional coupler comprise waveguides formed of a first material, while the microring resonator comprises a waveguide formed of a second material and a third phase-shift mechanism. The second material is provided as a low-loss material having a high Kerr effect and large bandgaps, to generate various nonlinear activation functions. The first, second, and third phase-shift mechanisms are configured to control biases within the disclosed systems and devices to achieve a desired activation function.

公开(公告)号：US20240231180A9

公开(公告)日：2024-07-11

申请号：US17972927

申请日：2022-10-25

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： YUAN YUAN ,  YIWEI PENG ,  STANLEY CHEUNG ,  ZHIHONG HUANG

IPC: G02F1/35 ,  G02F1/355 ,  G02F1/365

CPC classification number: G02F1/3517 ,  G02F1/3503 ,  G02F1/3556 ,  G02F1/365 ,  H01S5/3412

Abstract: Systems, devices, and methods are provided for all-optical reconfigurable activation devices for realizing various activations functions having normalized output power. The device and systems disclosed herein include an interferometer comprising a first branch formed of a first waveguide and a second branch formed of a second waveguide. A resonator cavity is coupled to the second first waveguide and at least one phase-shift mechanism is coupled to one of the second waveguide and the resonator cavity. The at least one phase-shift mechanism is configured to control biases of the interferometer to achieve a desired activation function at an output of the interferometer, and an optical amplification mechanism is coupled to the output of the interferometer and configured to add optical gain to the desired activation function.

公开(公告)号：US20250021809A1

公开(公告)日：2025-01-16

申请号：US18487452

申请日：2023-10-16

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： YIWEI PENG ,  Xian Xiao ,  Yuan Yuan ,  Stanley Cheung ,  Sean Hooten ,  Thomas Van Vaerenbergh ,  Marco Fiorentino ,  Zhihong Huang

IPC: G06N3/067

Abstract: Systems and methods are provided for devices and methods for implementing an optical neural network (ONN) by leveraging resonator structures, such on micro-ring resonators (MRRs). Examples include unit cells configured to perform a linear transformation on optical signals. Each unit cell comprises a plurality of signal mixing components optically coupled to between adjacent waveguides, where each signal mixing component corresponds to a distinct wavelength and is configured to mix optical signals on the adjacent waveguides at the distinct wavelength. Each unit cell also includes a plurality of phase tuning components each corresponding to a distinct wavelength and configured to adjust a phase of a mixed optical signal at the distinct wavelength.

公开(公告)号：US20240134247A1

公开(公告)日：2024-04-25

申请号：US17972927

申请日：2022-10-24

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： YUAN YUAN ,  YIWEI PENG ,  STANLEY CHEUNG ,  ZHIHONG HUANG

IPC: G02F1/35 ,  G02F1/355 ,  G02F1/365

CPC classification number: G02F1/3517 ,  G02F1/3503 ,  G02F1/3556 ,  G02F1/365 ,  H01S5/3412

Abstract: Systems, devices, and methods are provided for all-optical reconfigurable activation devices for realizing various activations functions having normalized output power. The device and systems disclosed herein include an interferometer comprising a first branch formed of a first waveguide and a second branch formed of a second waveguide. A resonator cavity is coupled to the second first waveguide and at least one phase-shift mechanism is coupled to one of the second waveguide and the resonator cavity. The at least one phase-shift mechanism is configured to control biases of the interferometer to achieve a desired activation function at an output of the interferometer, and an optical amplification mechanism is coupled to the output of the interferometer and configured to add optical gain to the desired activation function.