EEVblog 1594 - Inside a Quantum Computer! with Andrea Morello

An in-depth look at the engineering inside a quantum computer, and also demonstrating the operational results live and how they are measured.
With Professor Andrea Morello who is the Scientia Professor of quantum engineering in the School of Electrical Engineering and Telecommunications at the University of New South Wales, and a Program Manager at the ARC Centre of Excellence for Quantum Computation and Communication Technology.

00:00 - Inside the UNSW Quantum Computer lab & Quantum computer courses
03:42 - Inside a 2 cubit research quantum computer using a single phosphorus atom
04:04 - A working 3 cubit antimony atom quantum computer
04:42 - The quantum computer chip and shielding
05:33 - How the whole system works
07:40 - ❄️ How to measure 4deg kelvin
13:23 - 🔬 The design and purpose of a filter box used in low temperature experiments to filter out high frequency signals.
20:11 - 🔬 Research and new science are being done with prototype chips that can stay in a fridge for up to four years.
27:14 - 💡 The video explains how a transistor works and how the movement of electrons can cause a shift in the pattern.
33:36 - Silicon is a practical choice for quantum computing due to its semiconductor properties and isotopic purity.
40:39 - 💡 Magnet quench is when a superconducting wire goes from being a superconductor to a normal resistor, causing a significant amount of power dissipation.
47:41 - 🔬 How a refrigerator is used to cool down the electron electrochemical potential in order to populate the spin down level for magnetic resonance.
54:30 - 🧪 Designing a cancer cure on a classical computer is computationally complex due to the quantum nature of the problem.
1:01:14 - 🔬 A startup has developed a commercial machine for Quantum control that allows users to manipulate and operate a large multi-dimensional Quantum system.
1:07:29 - 🔬 Advantages of using silicon MOSFET over other materials for spin-based operations.
1:14:09 - 🧲 The magnetic field created by the solenoid is more stable than the magnetic field of the superconducting magnet, with a very slow decay rate.

1:18:40 - 1.5 Kelvin Liquid helium cooling chamber
1:19:44 - 0.3 Kelvin Helium 3 tester
1:22:45 - Pumping room
07:34 - A look at the Australian National Fabrication Facility

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[fildefer]

It's the first time in my life I understand what a genius is talking about. That guy has a real talent for explaining complex subjects and making it accessible to regular people.

[peepopalaber]

Andrea Morello is such a character and you can feel his excitement about his research. Great video Dave!

[biggusmunkusthegreat]

This was FASCINATING. He's so incredibly pleasant to listen to. Thank you so much for making this.

[adampoll]

Here is an example of a great scientific communicator able to explain the technology he is clearly passionate about. I envy his students!

[Janktzoni]

There are not enough superlatives. He's so fluent in this quantum thing subject that I have the impression I could understand what he says. Thank you Professor and thank you Dave, this is one of the greatest video's on the subject out there. Actually, no, it IS the GREATEST.

[mohamedlanjri]

Best video ever!! You don't see many videos deep diving into quantum computing as this one does. This it's a whole lecture itself. Congratulations Dave!

[YoutubeBorkedMyOldHandle_why]

I put off watching this video for quite a while because, well, 1 1/2 hours. But since watching it, I have to say this was one of the most amazing videos I've seen. I learned a lot. What's really fascinating is that Dave kept bombarding Professor Morello with tons of 'really specific' difficult questions, and without skipping a beat, he had an instant and easily understandable answer to all of them. He's also given me an appreciation for why this stuff is so difficult and why quantum computers have yet to become mainstream.

[gerryjamesedwards]

OK, that's the "coolest" use for an SMD 1.5k resistor I've ever heard!

[falxonPSN]

This is an absolutely fascinating topic, and a brilliant communicator delivering it in an understandable way. He really does lay things out in a very straightforward and comprehensible way, especially when dealing with highly abstract and esoteric concepts that people typically misexplain or oversimplify. I would happily watch many more hours of this gentleman describing concepts.

[preszka]

This is the best explanation on quantum computers I have ever seen. It is a big pleasure watching all the complex details so well explained. Thank you for doing it!

[scottyb]

My god, I finaly get it! Now I understand how the machine works the rest is self explanatory. Truly fascinating and a credit to yourself and professor Morello that you were able to convey such a complex subject in such a simple and easily understood manner. I feel so much smarter after that.

[kiq]

THIS is exactly the kinds of explanations I have been looking for on quantum computers !
Thank you !

[beamer.electronics]

The insightful understanding of Professor Morello is profound and his communication in such a mix of complex subjects is brilliant - in fact so good that even I absorbed parts of it, and I was also impressed by your intelligent questions Dave. IMHO, Quantum physics and computation are such a foundation to all things, that currently we have little/no idea where they are going to take us.

[thirstyCactus]

Thank you and Prof. Morello, emphatically, for this video; your channel is the only place where I can get any tangible, real-life information about quantum computing systems. Great stuff.

[markuskeller]

As a Chemist I only can say wow! How fascinating this topic is. Very good explanations. I am used to general quantum chemistry, but I really need to look deeper into this quantum computing thing. Awesome. I love it.

[AlverGant]

Thanks! Very comprehensive explanation, love all the physics involved in these machines

[keisimo]

This is why I LOVE Andrea Morello. Thank you for this video

[daveluxton]

Great stuff EEVblog! Dr Morello is a pure genius. I discovered his brilliance 10 years ago when Veritsium did a series of videos about quantum theory featuring Dr Morello which showcased his excellent teaching skills. Even though he has a deep theoretical knowledge of he physics he also connects this to the realworld engineering and practically.

[Ziryu]

This was such an amazing watch! Thank you and Professor Morello so much for this upload. Such an interesting interview!
So much insight given and so approachably explained!

[pyrokinetikrlz]

Mr morello is a goddamn genius! He explains stuff with such accuracy and simplicity