Abstract: A ring-core erbium-doped fiber amplifier for mode division multiplexing is proposed to amplify 14 orbital angular momentum modes with gains more than 23dB and differential modal gain less ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

This expression describes the vibe of something. Learn how to use it here. For more great language tips and programmes visit bbclearningenglish.com Find a full ...

Abstract: The fifth generation (5G) and beyond wireless networks are envisioned to provide an integrated communication and computing platform that will enable multipurpose and intelligent networks ...

At the heart of the IB curriculum lies a focus on critical and creative thinking skills that help students analyze, evaluate, and synthesize information in a deeply reflective manner. AI tools like ...

Perplexity has introduced the ability to learn new languages on its platform. The new capability enables users to practice vocabulary, memorise phrases through flashcards, and get pronunciation ...