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Researchers Develop Electrically Tunable Plasmonic Metasurfaces for Enhanced Light Communication

Researchers Develop Electrically Tunable Plasmonic Metasurfaces for Enhanced Light Communication

Researchers have developed electrically tunable plasmonic metasurfaces that enable low-voltage, reversible wavelength modulation for optical communication. This advancement, detailed in a study published in Nature Communications, addresses the challenges of dynamic tuning in light communication systems, which require compact and tunable optical components. The metasurfaces, composed of periodic metal nanoparticle arrays, utilize surface lattice resonance phenomena to achieve strong light confinement and sharp spectral features. The study introduces a novel approach that combines thermal and Seebeck effects to enable efficient and scalable photonic devices for high-speed, integrated light-based data transmission. The device architecture includes metal nanoparticle lattices fabricated on transparent conductive oxide/quartz substrates, with a thin layer of dimethyl sulfoxide (DMSO) serving as an active optical environment. This setup allows for continuous and reversible wavelength shifts under low CMOS-compat...
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Plasmonic Metasurfaces Enable Advanced Light Communication

Plasmonic Metasurfaces Enable Advanced Light Communication

Plasmonic Metasurfaces Enable Advanced Light Communication
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AT's Enduring Legacy in American Culture and Telecommunications

AT's Enduring Legacy in American Culture and Telecommunications

AT's Enduring Legacy in American Culture and Telecommunications
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AT's Legacy and Evolution: From Telecommunications Giant to Modern Innovator

AT's Legacy and Evolution: From Telecommunications Giant to Modern Innovator

AT's Legacy and Evolution: From Telecommunications Giant to Modern Innovator
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BSNL and Airtel Lead India's Broadband Rankings Amid Network Improvements

BSNL and Airtel Lead India's Broadband Rankings Amid Network Improvements

Bharat Sanchar Nigam Limited (BSNL) has emerged as the top fixed-line internet provider in India for the fiscal year 2026, surpassing Reliance Jio and Bharti Airtel in network performance rankings. According to nPerf's latest barometer, BSNL scored 89,174 nPoints, leading in download speed, upload speed, and latency. This improvement is attributed to BSNL's merger with BharatNet, which enhanced its fiber network coverage. Additionally, BSNL has increased its capital expenditure to upgrade its network infrastructure. Despite being third in subscriber numbers, BSNL's performance in user experience is noteworthy. Meanwhile, Airtel leads in mobile internet, maintaining its top position in download and upload speeds.
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Leading Lights Awards 2026 Expands to Reflect Industry Innovations

Leading Lights Awards 2026 Expands to Reflect Industry Innovations

Leading Lights Awards 2026 Expands to Reflect Industry Innovations
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Daran's New Power Station Offers High Capacity and Portability with LiFePO4 Technology

Daran's New Power Station Offers High Capacity and Portability with LiFePO4 Technology

Daran's New Power Station Offers High Capacity and Portability with LiFePO4 Technology
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Telecom Industry Leverages AI to Transform Network Data into Strategic Asset

Telecom Industry Leverages AI to Transform Network Data into Strategic Asset

Telecom Industry Leverages AI to Transform Network Data into Strategic Asset
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Surfshark Introduces Dausos VPN Protocol with Enhanced Speed and Security for Users

Surfshark Introduces Dausos VPN Protocol with Enhanced Speed and Security for Users

Surfshark Introduces Dausos VPN Protocol with Enhanced Speed and Security for Users
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Taiwan Launches National Robotics Center with $629 Million Funding Initiative

Taiwan Launches National Robotics Center with $629 Million Funding Initiative

Taiwan has inaugurated the National Center for AI Robotics (NCAIR) as part of a $629 million funding initiative aimed at boosting the domestic robotics industry. This move is part of Taiwan's 'Ten AI Initiatives Promotion Plan' to enhance its artificial intelligence capabilities. The center will focus on developing, testing, and training robotics technologies and talent. The Taiwanese government plans to support the creation of at least three new robotics startups by 2029, with the funding directed towards building a robust domestic robotics ecosystem. This initiative is seen as a strategic response to demographic challenges, such as an aging population and declining workforce, by promoting automation in various sectors.
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symplr Appoints Venkat Kavarthapu as CEO to Drive AI-Powered Innovation

symplr Appoints Venkat Kavarthapu as CEO to Drive AI-Powered Innovation

symplr Appoints Venkat Kavarthapu as CEO to Drive AI-Powered Innovation
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Metalens Technology Enables Advanced Polarization and Phase Imaging

Metalens Technology Enables Advanced Polarization and Phase Imaging

A new metalens technology has been developed to enhance full-Stokes polarization and quantitative phase imaging. This innovation involves a single-layer metalens that uses meta-unit-encoded structures to capture and decode scene information onto a polarization sensor. The metalens is designed with isotropic and anisotropic nanopillars that selectively focus light, allowing for the separation of left-circularly and right-circularly polarized light. This separation mitigates polarization mixing and facilitates the reconstruction of both polarization and phase information. The technology aims to provide portable, real-time multidimensional optical sensing capabilities, potentially revolutionizing fields that require detailed imaging, such as medical diagnostics and environmental monitoring.