Bits of quantum

A blog from the people of QuTech

Illustration of quantum information transmission
17.11.2022 by Remon Berrevoets

Do it safe, do it quantum!

By Remon Berrevoets The future of encryption Encryption is all around us; from sending a WhatsApp message to securing digital bank transactions. Digital encryption is a way of making messages unrecognizable by scrambling them using a digital key, a list of zeros and ones. The scrambled message can only be decoded and read with ...

A physics illustration in a Delft tile
21.04.2022 by David van Driel

Van Keramiek tot Quantum/From Ceramics to Quantum Mechanics 2

Van Keramiek tot Quantum/From Ceramics to Quantum Mechanics 2 How Delft became the city ...

cartoon: where's rabi
01.07.2021 by Christian Andersen

Where is the Rabi oscillation?

by Christian Andersen If you are an experimentalist and you want to check if ...

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09.04.2021 by Matteo Pasini

Spin, meet Photon. Photon, meet Spin

Making light interact with matter at the quantum level with cavities and colour centres. ...

thicker layers conduct better
12.02.2021 by Matthew Sarsby

5 Tips for Cooler Chips (in a Dilution Refrigerator)

by Dr M. Sarsby (You can view this post in PDF format here.) Getting small electronics cold is a practical challenge for research and the use of quantum devices. ...

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27.11.2020 by Anne-Marije Zwerver

Entanglement and Bell inequalities

by Anne-Marije Zwerver Bell inequalities There is this rather peculiar habit that I have: I always wear earrings, but I make sure I never wear two earrings of the ...

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24.04.2020 by Christos Zachariadis

Fabricating a superconducting quantum processor in a cleanroom

by Christos Zachariadis Nowadays, quantum computers promise to be a revolutionary technology. As a result, quantum computing has become one of the hottest areas of research in the last ...

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20.02.2020 by Matthew Sarsby

Cooling a Hot Photon Wind (part 1)

Combining low temperatures and high frequency signals is becoming ever more important in the development of quantum technologies. In QuTech for example transmon based devices use some signals in ...

Wright brothers flying their airplane
31.10.2019 by Adriaan Rol

Quantum Computational Supremacy

by Adriaan Rol Last week Google and collaborators published a paper in which they claim to have achieved Quantum Supremacy, one of the major milestones in quantum computing. The ...

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22.10.2019 by Bas Dirkse

Quantum internet: at the verge of an emerging technology

by Bas Dirkse The internet as we know it today has become an integral part of our lives. We use this piece of technology on a daily, hourly, almost ...

Illustration of layers in the quantum network stack
22.05.2019 by Axel Dahlberg

A quantum network stack?

by Axel Dahlberg Summer is approaching fast! The days until vacation are getting fewer and fewer. But before you can relax at a beach with a cold drink you ...

Artist's impression of a prototypical Majorana qubit
28.04.2019 by Guanzhong Wang

Who's afraid of Majorana qubits?

by Guanzhong Wang Don’t hide it; don’t deny it. I know every time you, my dear friend in or related to the quantum computing community, hear about the words ...