Ignorance
Clear as Quantum23 Nov 2021

Ignorance

Jacq Romero reveals that "ignorance" can be a quantum superpower.

Jacq has won numerous awards for her research into the shape of photons, and has brought this work into mainstream quantum information. Information is usually encoded in 0s and 1s, but qudits (beyond qubits) could open a more interesting way to encode quantum information across more levels. It's like Schrödinger's cat that's both dead and alive - but you have the whole zoo! No matter how many levels are used, often the interesting and useful states are built by throwing away some information (engineering a kind of ignorance). We touch on the interesting philosophical implications as well as the mundane experimental requirements, and Jacq shares both inspiration and nightmare.

No matter how many letters are in your favourite quantum "alphabet", subscribe and share with your friends. We'd love to hear your quantum questions - send them to engage@equs.org and we'll try to answer them in future episodes!

Episoder(20)

Rephasing

Rephasing

It's been a long time without episodes, but we've "rephased" our podcast to restore coherence! Season 2 is coming soon, but this is a bonus episode to catch up on some highlights from the world of Qua...

17 Nov 202333min

Light

Light

Halina Rubinsztein-Dunlop explains how quantum light can make tiny tractor-beams to move and wiggle things.Halina is widely recognised for her substantial achievements in moving things with light. "Op...

7 Des 202131min

Noise

Noise

Kirk McKenzie talks about quantum "noise" and some of the most impressively precise measurements ever made.Kirk brings quantum precision to some of the biggest questions about our planet and universe....

30 Nov 202130min

Spin

Spin

Glen Harris discusses whirlpools and the famously quantum property of "spin".Glen's love of hard challenges has led him to study quantum optomechanics, the art of using light to measure (or cause) ext...

16 Nov 202132min

Duality

Duality

Mike Tobar explains how quantum "duality" limits ultra-precise measurements.Mike breaks this standard quantum limit of measurement precision in order to explore things as diverse as dark matter, gravi...

9 Nov 202128min

Coherence

Coherence

John Bartholomew talks about quantum memories and the challenges of keeping quantum information "coherent".John explores the limit of how long quantum information can be stored - a "quantum memory" is...

2 Nov 202130min

Systems

Systems

Quantum doesn't have to be tiny! Magdalena Zych talks about quantum "systems" on a cosmic scale.Magdalena is a theoretician who ponders questions that straddle quantum physics and relativity - which i...

26 Okt 202127min

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