Joe Fitzsimons
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jfitzsimons.bsky.social
Joe Fitzsimons
@jfitzsimons.bsky.social
Physicist turned startup founder. CEO @ Horizon Quantum Computing.
If you're at #APSSummit25 and interested in what we're doing, drop by the stand to say hi to the team.

Unfortunately, I can't make it myself, but you're in good hands with Philip, Angelina, Jessica, Pooja and Denis.
March 18, 2025 at 6:25 AM
You know you’re getting old when artefacts from your youth start showing up in museums.
February 17, 2025 at 9:29 PM
Reposted by Joe Fitzsimons
At #Q2B Silicon Valley 2024, our CEO @jfitzsimons.bsky.social unveiled new capabilities that are now integrated into Triple Alpha, concluding the initial steps we are taking towards building a quantum operating system.

www.youtube.com/watch?v=rl3T...
Q2B24 Silicon Valley | Dr. Joe Fitzsimons, CEO, Horizon Quantum
YouTube video by QC Ware
www.youtube.com
February 12, 2025 at 7:36 AM
I'm in Palo Alto for a few weeks. Anyone around?
January 19, 2025 at 5:11 AM
Since there is less than an hour left in 2024 here, I guess I need to make a new year prediction for quantum computing for the coming year. Here it is: now we're past the error correction threshold, we're going to find that qubit lifetimes will increase super exponentially with time.
December 31, 2024 at 11:32 PM
Spotted at a cablecar station in Tromso, in the very north of Norway. The hazards seem to be slip, trip, fall from a height and James Bond.
December 18, 2024 at 2:54 PM
Another year, another Q2B, another reason to visit @computerhistory.bsky.social. Who’s going to be first to get a dilution refrigerator on display there?
December 10, 2024 at 12:33 AM
Reposted by Joe Fitzsimons
Our paper on distributed blind computing is out on Arxiv! In short: we performed gates on our spin qubits remotely using photons without our nodes knowing what we did - all thanks to distributed matter-light entanglement 🥳
December 9, 2024 at 3:39 AM
I’ve convinced our marcomms team that quantum twitter has been moving over here.
Our CEO @jfitzsimons.bsky.social and Chris Ballance of Oxford Ionics took the stage at @websummit.bsky.social in Lisbon to discuss the rapid evolution of quantum computing and its far-reaching implications.

The full talk can be found here: www.youtube.com/live/XnrowhJ...
November 28, 2024 at 10:27 AM
It took me longer than I am prepared to admit to come up with this dumb joke.
Cold weather is clearly a big advantage for doing low temperature physics. This is known as the Leiden frost effect.
November 22, 2024 at 10:24 AM
I had the chance to visit Bluefors today in Helsinki. CQT may have made Singapore the coolest place on the equator, but I can’t help thinking that there is a reason Singapore didn’t spawn the world’s leading manufacturer of dilution refrigerators.
November 21, 2024 at 7:50 PM
Delighted to share a short video on our journey at Horizon Quantum from Bloomberg and HSBC.
youtu.be/qBiDyd4wRyc?...
Turning Point: The Quantum Opportunity | Presented by HSBC
YouTube video by Bloomberg Media Studios
youtu.be
November 21, 2024 at 2:46 AM
Question for quantum bluesky: Which PhD students are doing the most interesting QC work at the moment? All the people I thought were PhD students now have tenure.
October 26, 2023 at 11:44 AM
If you’re a quantum physicist, you should watch Oppenheimer. I have no time for the Oppenheimer-envy that so many in AI seem to be experiencing. The parable of Oppenheimer for physicists is about the weight of the work of those that went before. It’s our Iron Ring.
August 9, 2023 at 4:53 PM
Ok, since the quantum computing crowd mostly haven’t arrived yet, maybe it’s a sign I should shake up who I follow. Who’s worth following on here? Science, tech, startups or just generally interesting or amusing.
July 7, 2023 at 12:49 AM
So, what are the chances of getting a good quantum community here?
July 4, 2023 at 6:54 PM
4th of July seems like an auspicious date to join Bluesky.
July 4, 2023 at 5:06 PM