An Introduction to Quantum Entanglement

Huntsville Hamfest 2024

I gave a talk at the Huntsville Hamfest earlier today on Quantum Entanglement.

Quantum entanglement occurs when two particles become interconnected in such a way that the state of one particle instantly influences the state of the other, regardless of the distance separating them. This phenomenon was famously described by Albert Einstein as "spooky action at a distance." Applications include Quantum Key Distribution (QKD) and ultra-secure quantum communication. Challenges include maintaining entanglement over long distances and dealing with decoherence (loss of quantum coherence). Although the cost and complexity of quantum communications currently limit the ability of amateur radio operators to exploit this emerging technology, amateur radio operators should keep informed and see if advanced concepts can inspire new ideas and innovative approaches within amateur radio practice.

A pdf of the slide deck is available from my Telegram channel. The audio and video recordings appear to be good enough to warrant producing a video, which I will do in the next few weeks.

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