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최신 논문 – 광자 컴퓨팅 관련 특허

Photonic Computing

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Photonic computing
광자 컴퓨팅은 빛을 기반으로 합니다. 기술 효율적이고 빠른 데이터 처리를 위해.

광자 컴퓨팅은 빛 기반 구성 요소를 활용하여 고속 및 저에너지 소비로 연산을 수행합니다. 실리콘 포토닉스는 광 변조기, 검출기 및 도파관을 단일 칩에 통합할 수 있도록 합니다. 광 인터커넥트는 데이터 전송 시 지연 시간과 대역폭 병목 현상을 줄여줍니다. 비선형 광학 및 광자 결정 도파관은 전광 스위칭을 가능하게 합니다. 신호 처리광자 신경망과 텐서 코어는 머신 러닝 작업 부하를 가속화합니다. 양자점 레이저 및 집적 레이저 소스는 연산에 필요한 결맞음 광을 제공합니다. 광학 논리 게이트와 공진기는 기본적인 처리 장치를 구현합니다. 파장 분할 다중화는 데이터 채널의 병렬성을 향상시킵니다. 광자 소자 제조 기술의 발전은 미래 컴퓨팅 시스템을 위한 확장 가능한 아키텍처를 지원합니다.

본 자료는 광자 컴퓨팅, 광자 집적 회로, 광 인터커넥트, 실리콘 포토닉, 광 변조기, 광자 신경망, 양자점 레이저, 비선형 광학, 광자 결정 도파관, 광 신호 처리, 파장 분할 다중화, 광 논리 게이트, 플라즈몬 소자, 광 검출기, 광 증폭기, 코히런트 광 컴퓨팅, 전광 스위칭, 광자 메모리, 광 공진기, 주파수 콤, 광 주파수 변환, 광자 텐서 코어, 광 컴퓨팅 아키텍처, 광자 양자 컴퓨팅, 통합 레이저 소스, 광 위상 변환기, 광자 아날로그 컴퓨팅, 광 데이터 저장, 광 신호 라우팅, 초고속 광학, 광자 소자 제조 및 광 컴퓨팅 등 다양한 주제로 분류 및 집중적으로 다루는 전 세계 영문 논문 및 특허를 엄선하여 정리한 것입니다.

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

Ultra-wide-band-gap semiconductor optical switches and photodetectors

Patent published on the 2026-05-28 in US under Ref US20260150430 by MASSACHUSETTS INST OF TECHNOLOGY [US] (Dong Jiahao [us], Jaramillo Rafael [us])

Abstract: A doped (ultra-)wide bandgap ((U)WBG) semiconductor can demonstrate photoconductivity when illuminated with sub-bandgap light. Forming a rectifying semiconductor-metal junction on a suitably doped (U)WBG semiconductor enables a photoconductive semiconductor switch (PCSS) actuated by visible light with strong photoresponsivity and fast operation. A PCSS realized in Ge-doped AlN achieves an on/off ratio over one million, and a photoresponsivity of 2.8 A/W under sub-bandgap illumination at center w[...]


Our summary: The content discusses the use of ultra-wide-band-gap semiconductors for optical switches and photodetectors. It highlights a photoconductive semiconductor switch (PCSS) made from Ge-doped AlN, which exhibits high photoresponsivity and fast operation. Additionally, it describes a photodetector capable of measuring bright light without saturation at elevated temperatures.

ultra-wide-bandgap, photoconductivity, semiconductor switch, photodetector

Patent

Computing system and operation method therefor

Patent published on the 2026-05-28 in WO under Ref WO2026109032 by SHANGHAI XIZHI TECH CO LTD [CN] (Shen Yichen [cn], Meng Huaiyu [cn], Lv Wenqing [cn], Wang Long [cn], Hu Tao [cn])

Abstract: Provided in the present disclosure is a computing system, comprising a plurality of computing apparatuses, wherein the computing apparatuses each comprise a plurality of computing modules and a plurality of optical interconnection apparatuses, and the optical interconnection apparatuses each comprise an optical signal interface and an electrical signal interface. The plurality of computing apparatuses include a first computing apparatus, a second computing apparatus, and a third computing appara[...]


Our summary: The computing system consists of multiple computing apparatuses with various computing modules and optical interconnection apparatuses. Each optical interconnection apparatus features both optical and electrical signal interfaces. The system allows selective communication between the first computing apparatus and either the second or third computing apparatus through optical connections.

computing system, optical interconnection, computing modules, signal interfaces

Patent

Shape measurement device, surface layer measurement/analysis system, method for acquiring data of measurement target, and surface shape measurement de

Patent published on the 2026-05-28 in WO under Ref WO2026110782 by NATIONAL UNIV CORPORATION SAITAMA UNIV [JP] (Shioda Tatsutoshi [jp])

Abstract: Provided is a measurement device capable of measuring the surface shape of and the distance to a measurement target having a large area at high speed. Provided is a shape measurement device comprising: a photodetector that detects interference light obtained by causing first light emitted from a light source unit and reflected by a measurement target and second light to interfere with each other; and an image generation unit that generates an image in which the output of the photodetector is u[...]


Our summary: The device measures surface shapes and distances of large areas quickly. It utilizes a photodetector to detect interference light and generate pixel-based images. The system employs sequential switching to process electric charges for image creation.

shape measurement, surface analysis, photodetector, image generation

Patent

Fibre-optic resonator with improved stability

Patent published on the 2026-05-28 in WO under Ref WO2026109425 by UNIV DE LILLE [FR] (Mussot Arnaud [fr], Conforti Matteo [fr], Bunel Thomas [fr])

Abstract: The invention relates to an optical resonator comprising a laser source emitting main laser radiation (P) and a multiplexing module configured to spatially separate part of the main laser radiation (P), referred to as stabilisation laser radiation (S), from the rest of the radiation. The resonator comprises a resonance cavity configured to cause interference of each radiation (P, S), thereby generating modulated main laser radiation (P*) and modulated stabilisation laser radiation (S*). A stabil[...]


Our summary: The invention describes an optical resonator with a laser source and a multiplexing module. It spatially separates stabilisation laser radiation from main laser radiation. The system improves stability by modulating both types of radiation within a resonance cavity.

Fibre-optic, resonator, stabilisation, multiplexing

Patent

Semiconductor optical amplifier

Patent published on the 2026-05-28 in US under Ref US20260149241 by SUMITOMO ELECTRIC IND LTD [JP] (Kikuchi Takehiko [jp])

Abstract: [0000] A semiconductor optical amplifier includes a substrate including a silicon layer, and a gain section formed of a III-V compound semiconductor and having an optical gain, the gain section being bonded to the silicon layer. The silicon layer has a waveguide. The gain section has a mesa at a position overlapping the waveguide. The mesa protrudes in a direction away from the substrate and is located over the waveguide. In a portion of the waveguide overlapping the mesa, a portion of the waveg[...]


Our summary: A semiconductor optical amplifier comprises a silicon layer substrate and a gain section made of a III-V compound semiconductor. The gain section features a mesa that overlaps with a waveguide on the silicon layer. The waveguide has varying cross-sectional areas near the input and output ends of the gain section.

semiconductor optical amplifier, silicon layer, III-V compound semiconductor, optical gain

Patent

Semiconductor package

Patent published on the 2026-05-28 in US under Ref US20260150758 by SAMSUNG ELECTRONICS CO LTD [KR] (Oh Juhyeon [kr])

Abstract: [0000] Provided is a semiconductor package including a redistribution substrate, an electronic integrated circuit (EIC) chip on the redistribution substrate, an optical path bridge chip on the redistribution substrate, the optical path bridge chip on the EIC chip in a horizontal direction and including a first waveguide (WG) extending in the horizontal direction, a photonic integrated circuit (PIC) chip on the EIC chip and the optical path bridge chip, the PIC chip including a second WG extendin[...]


Our summary: The semiconductor package features a redistribution substrate with an electronic integrated circuit chip and an optical path bridge chip. It includes a photonic integrated circuit chip with overlapping waveguides for optical signal transmission. A transparent support layer is positioned above the photonic integrated circuit chip.

semiconductor package, redistribution substrate, optical path bridge, photonic integrated circuit

Patent

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

다룬 주제: 광자 컴퓨팅, 광 기반 기술, 고속 데이터 처리, 실리콘 포토닉스, 광 변조기, 광 인터커넥트, 비선형 광학, 광자 결정 도파관, 광자 신경망, 양자점 레이저, 광 논리 게이트, 파장 분할 다중화, 광자 장치 제조, 신호 처리, 머신 러닝 워크로드, 결맞음 광, 확장 가능한 아키텍처, 통합 레이저 소스, ISO/IEC 30130, IEC 62341, IEEE 8023, ISO/IEC 33063 및 ITU-T G6941.

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