公开(公告)号：WO2021248810A1

公开(公告)日：2021-12-16

申请号：PCT/CN2020/128358

申请日：2020-11-12

Applicant: 联合微电子中心有限责任公司

Inventor： 田野 ,  赵洋 ,  刘胜平 ,  王玮 ,  李强 ,  冯俊波 ,  郭进

IPC: G06N3/067 ,  G06F17/16 ,  G06N3/0675

Abstract: 提供了一种计算装置，包括：输入端口，用于接收第一光信号；矩阵计算单元，具有传输矩阵，并被配置为利用所述传输矩阵对所述第一光信号进行处理以得到第二光信号，其中，所述第二光信号具有复振幅，所述传输矩阵是酉矩阵(M')；实部获取单元，光学地耦接到所述矩阵计算单元，并被配置用于从所述第二光信号获得代表所述第二光信号的复振幅的实部的第三光信号；输出端口，用于输出光信号。

公开(公告)号：WO2022238465A1

公开(公告)日：2022-11-17

申请号：PCT/EP2022/062749

申请日：2022-05-11

Applicant: UNIVERSITE PARIS CITE ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

Inventor： ZAKARI, Denis ,  FAVERO, Ivan ,  CIUTI, Cristiano

IPC: G01R23/17 ,  G06N3/04 ,  G06N3/0675 ,  G06N3/08

Abstract: Dispositif optoélectronique d'extraction de caractéristiques contenues dans le spectre de signaux radiofréquences analogiques continus ou pulsés, bruités, formant un signal analogique d'entrée, le dispositif comprenant: - un module d'entrée générant une onde optique porteuse (1) et effectuant une modulation de cette porteuse (1) par le signal d'entrée analogique, pour former un signal optique modulé; - un réseau (5) de cavités optiques linéaires couplées et pompées optiquement le signal optique modulé; - un dispositif (7) de mesure optique de quantités mesurées des champs optiques, ces champs optiques étant induits par le signal optique modulé par le signal analogique d'entrée; - un module de calcul (8) effectuant une transformation linéaire sur les quantités mesurées des champs optiques, par multiplication avec une matrice W et addition d'un vecteur de biais b; pour permettre de reconstruire et d'extraire des caractéristiques ciblées contenues dans le spectre du signal d'entrée radiofréquence, le module de calcul (8) ayant effectué un apprentissage machine sur des signaux radiofréquences analogiques bruités d'entrainement présentant les mêmes caractéristiques ciblées afin de déterminer les paramètres W et b.

公开(公告)号：WO2022266676A2

公开(公告)日：2022-12-22

申请号：PCT/US2022/073039

申请日：2022-06-17

Applicant: CELESTIAL AI INC.

Inventor： WINTERBOTTOM, Philip ,  BOS, Martinus

IPC: G06N3/063 ,  G02B6/42 ,  G02B6/43 ,  G06F7/78 ,  G06F9/00 ,  G06N3/04 ,  G06N20/00 ,  H04Q11/00 ,  G02B6/12002 ,  G02B6/12004 ,  G02B6/30 ,  G02B6/34 ,  G06F7/50 ,  G06F7/5318 ,  G06F7/5443 ,  G06N3/067 ,  G06N3/0675

Abstract: Various embodiments provide for a circuit package including an electronic integrated circuit comprising a plurality of processing elements, and a plurality of bidirectional photonic channels, e.g., implemented in a photonic integrated circuit underneath the electronic integrated circuit, that connect the processing elements into an electro-photonic network. The processing elements include message routers with photonic-channel interfaces. Each bidirectional photonic channel interfaces at one end with a photonic-channel interface of the message router of a first one of the processing elements and at the other end with a photonic-channel interface of the message router of a second one of the processing elements and is configured to optically transfer messages (e.g., packets) between the message routers of the first and second processing elements.

公开(公告)号：WO2021228972A1

公开(公告)日：2021-11-18

申请号：PCT/EP2021/062683

申请日：2021-05-12

Applicant: INL - INTERNATIONAL IBERIAN NANOTECHNOLOGY LABORATORY

Inventor： ROMEIRA, Bruno Miguel Patarata

IPC: H01L33/06 ,  G06N3/067 ,  G06N3/04 ,  H01L33/30 ,  H01L33/46 ,  G02B6/43 ,  G06N3/049 ,  G06N3/0675 ,  H01L33/465

Abstract: The present invention relates to a neuromorphic device (10) and systems (30, 40) of at least two neuromorphic devices. The neuromorphic device (10) comprising: a semiconductor (100) nanostructure comprising: an emitter region (110), a collector region (120), a double-barrier quantum well region (130) having at least one resonance energy level, and a light-emitting region (140), wherein the double-barrier quantum well region (130) and the light-emitting region (140) are arranged in between the emitter region (110) and the collector region (120); a first contact (150) arranged in electrical contact with the emitter region (110); and a second contact (160) arranged in electrical contact with the collector region (120); and wherein charge carriers of the emitter region (110) are caused to tunnel through the double-barrier quantum well region (130) at a resonant energy level of the double-barrier quantum well region (130) in response to a voltage difference between the first contact (150) and the second contact (160) being within a predetermined voltage difference range; wherein a flow of charge carriers through the double-barrier quantum well region (130) and the light-emitting region (140) is formed in response to the charge carriers tunneling through the double-barrier quantum well region (130); and wherein the light-emitting region (140) is configured to emit light in response to the flow of charge carriers through the light-emitting region (140).

公开(公告)号：WO2021191697A1

公开(公告)日：2021-09-30

申请号：PCT/IB2021/051229

申请日：2021-02-15

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION ,  IBM (CHINA) INVESTMENT COMPANY LTD. ,  IBM ISRAEL - SCIENCE & TECHNOLOGY LTD.

Inventor： ABEL, Stefan ,  OFFREIN, Bert Jan ,  LA PORTA, Antonio ,  STARK, Pascal

IPC: G11C11/54 ,  G02F1/19 ,  G06N3/0675 ,  G11C11/42

Abstract: An optical synapse comprises a memristive device for non-volatile storage of a synaptic weight dependent on resistance of the device, and an optical modulator for volatile modulation of optical transmission in a waveguide. The memristive device and optical modulator are connected in control circuitry which is operable, in a write mode, to supply a programming signal to the memristive device to program the synaptic weight and, in a read mode, to supply an electrical signal, dependent on the synaptic weight, to the optical modulator whereby the optical transmission is controlled in a volatile manner in dependence on programmed synaptic weight.

公开(公告)号：WO2021102349A8

公开(公告)日：2021-05-27

申请号：PCT/US2020/061642

申请日：2020-11-20

Applicant: LIGHTMATTER, INC.

Inventor： BUNANDAR, Darius ,  HARRIS, Nicholas, C. ,  GOULD, Michael ,  RAMEY, Carl ,  GUPTA, Shashank ,  DORTA-QUINONES, Carlos

IPC: H04J14/02 ,  G01D5/345 ,  G01D5/347 ,  G01J1/46 ,  G06F17/16 ,  G06F7/523 ,  G06N3/0675

Abstract: Photonic processors are described. The photonic processors described herein are configured to perform matrix-matrix (e.g., matrix-vector) multiplication. Some embodiments relate to photonic processors arranged according to a dual-rail architecture, in which numeric values are encoded in the difference between a pair optical signals (e.g., in the difference between the powers of the optical signals). Relative to other architectures, these photonic processors exhibit increased immunity to noise. Some embodiments relate to photonic processors including modulatable detector-based multipliers. Modulatable detectors are detectors designed so that the photocurrent can be modulated according to an electrical control signal. Photonic processors designed using modulatable detector-based multipliers are significantly more compact than other types of photonic processors.