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最新の出版物:フォトニックコンピューティングに関する特許

Photonic Computing

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Photonic computing
フォトニックコンピューティングは光ベースの技術を利用する テクノロジー 効率的かつ高速なデータ処理を実現するため。

フォトニックコンピューティングは、光ベースのコンポーネントを利用して、高速かつ低エネルギー消費で計算を実行します。シリコンフォトニクスは、光変調器、検出器、および導波路を単一チップ上に集積することを可能にします。光インターコネクトは、データ転送における遅延と帯域幅のボトルネックを低減します。非線形光学とフォトニック結晶導波路は、全光スイッチングと 信号処理フォトニックニューラルネットワークとテンソルコアは、機械学習のワークロードを高速化する。 量子ドット レーザーおよび集積型レーザー光源は、演算処理に必要なコヒーレント光を提供する。光論理ゲートおよび共振器は、基本的な処理ユニットを実装する。波長分割多重化は、データチャネルにおける並列性を向上させる。フォトニックデバイス製造技術の進歩は、将来のコンピューティングシステムに向けたスケーラブルなアーキテクチャを支える。

これは、フォトニックコンピューティングに関する英語の世界中の出版物と特許の最新のセレクションです。多数の科学オンラインジャーナルの中から、フォトニックコンピューティング、フォトニック集積回路、光インターコネクト、シリコンフォトニクス、光変調器、フォトニックニューラルネットワーク、量子ドットレーザー、非線形光学、フォトニック結晶導波路、光信号処理、波長分割多重、光論理ゲート、プラズモニックデバイス、光検出器、光増幅器、コヒーレント光コンピューティング、全光スイッチング、フォトニックメモリ、光共振器、周波数コム、光周波数変換、フォトニックテンソルコア、光コンピューティングアーキテクチャ、フォトニック量子コンピューティング、集積レーザー光源、光位相シフター、フォトニックアナログコンピューティング、光データストレージ、フォトニック信号ルーティング、超高速光学、フォトニックデバイス製造、フォトニックコンピューティングに分類され、焦点を絞っています。

Single integrated substrate package for high performance computing

Patent published on the 2026-07-02 in WO under Ref WO2026142391 by LIPAC CO LTD [KR] (Park Dong Woo [kr], Song Jean Ho [kr], Choi Seong Wook [kr], Choi Joon Hoo [kr])

Abstract: The present invention relates to a single integrated substrate package for high performance computing (HPC), in which a plurality of integrated circuits (ICs) such as a memory, a signal processing device, and an optical engine chip can be packaged as one chip. The single integrated substrate package is a package on which a memory chip, a logic semiconductor integrated circuit chip, and an optical engine are mounted, the single integrated substrate package comprising: an electrical-routing compon[...]


Our summary: The invention presents a single integrated substrate package designed for high performance computing. It combines multiple integrated circuits, including memory and optical engine chips, into one package. The design features electrical and optical routing components for efficient signal processing.

integrated substrate, high performance computing, optical engine, electrical-routing component

Patent

A low-cost laser generating multiple wavelengths

Patent published on the 2026-07-01 in EP under Ref EP4769850 by CISCO TECH INC [US] (Huang Xue [us], Nowell Mark [us], Chen Long [us], Ketelsen Len [us])

Abstract: [0001] In one embodiment, the disclosure relates to an electro-optical device that includes an optical gain chip that includes; a gain material, the gain material having a gain region, the optical gain chip that includes: N gain chip waveguides; a photonic integrated circuit (PIC) that includes a plurality of layers and a plurality of components, wherein the PIC defines M sections; N external laser cavities; P PIC waveguides; and B distributed Bragg reflector (DBR) rings, wherein each of the N e[...]


Our summary: The content describes a low-cost laser device capable of generating multiple wavelengths. It includes an optical gain chip with multiple waveguides and a photonic integrated circuit. The design features external laser cavities defined by waveguides and distributed Bragg reflector rings.

laser technology, optical gain chip, photonic integrated circuit, distributed Bragg reflector

Patent

Optically pumped magnetic sensor

Patent published on the 2026-06-25 in WO under Ref WO2026133710 by HAMAMATSU PHOTONICS KK [JP] (Kondo Fusanori [jp], Kitabayashi Masato [jp])

Abstract: This optically pumped magnetic sensor comprises: a laser unit that includes a laser element and a support member; a cell unit that includes a cell in which an alkali metal is enclosed; a photodetector; and a support that defines a space in an optical path of a laser light in which at least a portion of the laser element side is located. The support member has a first surface perpendicular to an optical axis of the laser element. The support has a second surface perpendicular to the optical axis [...]


Our summary: The optically pumped magnetic sensor includes a laser unit, a cell containing alkali metal, and a photodetector. The support member and support are designed for relative movement while maintaining alignment. The configuration allows for precise optical path management in the sensor.

optically pumped magnetic sensor, laser unit, alkali metal, photodetector

Patent

Thin film electro-optic photonic integrated circuit and related fabrication methods

Patent published on the 2026-06-24 in EP under Ref EP4764676 by CSEM CT SUISSE DELECTRONIQUE MICROTECHNIQUE SA RECH DEVELOPPEMENT [CH] (Prieto Gonzalez Ivan [ch], Ghadimi Amir [ch], Sattari Hamed [ch], Choongn Gregory [ch])

Abstract: Photonic Integrated Circuit comprising a stacking of layers comprising:a substrate defining a plane and a stacking direction perpendicular to said plane,a buried oxide layer provided on top of said substrate,a patterned layer of electro-optic material comprising at least one optical waveguide of said electro-optic material, provided on top of said buried oxide layer,a first patterned metal layer comprising a first group of metallic structures, provided on top of said electro-optic material and/o[...]


Our summary: This content describes a photonic integrated circuit with multiple layers including a substrate, buried oxide, and electro-optic material. It details the arrangement of patterned metal layers and their electrical connections. The specific distance between the second metal layer and the optical waveguide is emphasized for functionality.

photonic integrated circuit, electro-optic material, dielectric cladding, fabrication methods

Patent

Metrology tool and components therefor

Patent published on the 2026-06-24 in EP under Ref EP4764700 by ASML NETHERLANDS BV [NL] (De Vocht David Johan Y [nl], Jiao Yuqing [nl], Setija Irwan Dani [nl], Bente Erwin Antonius Josephus Maria [nl], Liu Tianran [nl])

Abstract: [0001] An optical coupler for a photonic integrated circuit comprising a first channel waveguide configured to guide electromagnetic radiation comprising a first wavelength. The optical coupler comprises a second channel waveguide configured to guide electromagnetic radiation comprising a second wavelength that is different to the first wavelength. The optical coupler comprises a slab waveguide optically coupled to the first and second channel waveguides and configured to guide electromagnetic r[...]


Our summary: The content describes an optical coupler designed for a photonic integrated circuit. It includes a first and second channel waveguide for different wavelengths. Additionally, it features a slab waveguide, a computer-generated waveguide hologram, and a metasurface for enhanced optical coupling.

optical coupler, photonic integrated circuit, waveguide, metasurface

Patent

N-port smart data switch for an optical data network

Patent published on the 2026-06-24 in EP under Ref EP4765856 by ASTRAPE B V [NL] (Camilli Marco [be])

Abstract: [0001] The invention relates to an N-port smart data switch (SSVη for an optical data network (10-1) comprising a plurality of data network nodes (N1-1, N2-1, N3-1, N4-1, NN-1). The N-port smart data switch (SSW) comprises: i) a switching matrix module (SMM) having Y circuit switches (OCS1, OCS2..OCSY) being placed in parallel, each circuit switch (OCS1, OCS2..OCSY) having N/C inputs and N/C outputs; ii) an N-to-N*Y optical distribution block (PDB1) placed between the N optical inputs (xNi) and[...]


Our summary: The invention describes an N-port smart data switch for optical networks with multiple nodes. It includes a switching matrix module with parallel circuit switches and optical distribution blocks. The design improves yield in photonic integrated circuits by utilizing smaller switching matrices.

N-port, smart data switch, optical network, switching matrix

Patent

Asymmetric photon bunching recurring interferences and distributions via quantum frequency combs

Published on 2026-06-04 by Kai-Chi Chang, Xiang Cheng, Yujie Chen and Chee Wei Wong @IOP SCIENCE

Abstract: Quantum frequency combs (QFCs) exhibit periodic temporal recurrences arising from the Fourier transform of their mode-locked frequency spectra. While QFCs have been experimentally demonstrated, asymmetric Hong–Ou–Mandel (HOM) revival interference in QFCs has not been systematically investigated, and the efficient distribution of photon-bunching revivals has remained unreported. Here, we present the first experimental observation and distribution of asymmetric HOM recurrence interference usin[...]


Our summary: This study presents the first experimental observation of asymmetric Hong–Ou–Mandel revival interference using quantum frequency combs. The research demonstrates high visibility in HOM revivals across multiple time-bins from QFCs. Results indicate that QFCs are suitable for advanced quantum information processing applications.

quantum frequency combs, asymmetric Hong–Ou–Mandel interference, photon bunching, quantum information processing

Publication

quantum dot lasers and the end of the optical isolator

Published on 2026-05-08 by Shujie Pan, Junjie Yang, Siming Chen @NATURE

Abstract: Light: Science & Applications, Published online: 08 May 2026; doi:10.1038/s41377-026-02290-wQuantum dot (QD) lasers enable intrinsically feedback-tolerant, isolator-free silicon photonic integrated circuits (PICs), eliminating the bulky optical isolators traditionally required to suppress destabilizing reflections. Owing to their delta-function-like density of states, near-zero linewidth enhancement factor, and strong damping, QD lasers sustain stable, high-speed operation without coherence [...]


Our summary: Quantum dot lasers eliminate the need for optical isolators in silicon photonic integrated circuits. They provide stable, high-speed operation under extreme optical feedback. This technology facilitates compact and scalable optical interconnects for industrial applications.

quantum dot lasers, optical isolators, silicon photonics, integrated circuits

Publication

取り上げるトピック: フォトニックコンピューティング、光ベース技術、高速データ処理、シリコンフォトニクス、光変調器、光インターコネクト、非線形光学、フォトニック結晶導波路、フォトニックニューラルネットワーク、量子ドットレーザー、光論理ゲート、波長分割多重、フォトニックデバイス製造、信号処理、機械学習ワークロード、コヒーレント光、スケーラブルアーキテクチャ、集積レーザー光源、ISO/IEC 30130、IEC 62341、IEEE 8023、ISO/IEC 33063、およびITU-T G6941。

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