rdv live from Tokyo

See our online course on quantum computing or our online courses on quantum communication.

Thursday, March 16, 2023

RFC9340: the First Quantum RFC!

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 Request for Comments (RFC) 9340 : Architecture Principles for a Quantum Internet is now published! Thanks to Wojtek, who originated it, and...

Reducing Errors by...Using Errors

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 Just a quick note: our newest paper, "Leveraging hardware-control imperfections for error mitigation via generalized quantum subspace...
Thursday, February 09, 2023

Cloud Cover

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 If you're looking for information on cloud cover, this website has you, er, covered: https://www.earthenv.org/cloud Claims to be 1km re...
Sunday, January 15, 2023

Some Recent Important Quantum Theory Results, Part One: MIP* = RE

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 While preparing for class, and for my general edification, I have been trying to organize thoughts about recent important results in theory...

Book Progress: Quantum Communications

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Over the Christmas & New Year's break, a lot  of editing on the book got done -- thousands  of edits, according to git. 14/15 of the...
Thursday, December 15, 2022

Quantum Internet class for undergrads!

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It's now official -- next fall I will be teaching an undergraduate class titled "Quantum Internet". As far as I am aware, this...
Monday, November 21, 2022

Book Progress: Quantum Communications

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  Seven of the fifteen chapters in our next book, "Quantum Communications", are ready for local students to use/review. With this ...
Sunday, November 06, 2022

Spelunking CACM, Vol. 12 (1969)

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 The first half of the year seems to move along smoothly, with a lot of algorithm papers but not much exciting.  Automated printed circuit r...
Friday, August 26, 2022

Quantum Ethics, the Conversation Continues

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 In the magazine Foreign Policy , Vivek Wadwha and Mauritz Kop have an article titled, " Why Quantum Computing is Even More Dangerous t...
Monday, July 25, 2022

Spelunking CACM, vol. 11 (1968): Operating Systems Bonanza and Ethics, but not the ARPAnet!

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If 1967 was a little dry, 1968 more than made up for it. The  May issue  is worth reading end-to-end! As it happens, that issue contains ret...
Sunday, July 24, 2022

Spelunking CACM's First Decade

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 I've been slowly, oh so slowly, making my way through the contents of ACM's Communications of the ACM, starting from its inception...
Sunday, July 10, 2022

Spelunking CACM, vol. 10 (1967)

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In 1967, not a lot caught my eye but these. Parallelizable arithmetic expressions  shows how to take a linear expression and convert it into...
Wednesday, June 29, 2022

Icons for Quantum Network Nodes

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 The set of icons we created for quantum network nodes, for use in network diagrams, simulators, etc., are available Creative Commons licens...
Tuesday, June 21, 2022

For My Nephew

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 My nephew just finished his frosh year in college, and wants to study...astrophysics?  Not entirely sure yet, but the college where he is h...
Sunday, June 12, 2022

Spelunking CACM, vol. 9 (1966): Eliza (and now 2022's LaMDA)

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  Eliza  has arrived. Eliza, who is a few months older than I am, is inarguably one of the seminal events in computing history. It's jus...
Monday, June 06, 2022

Spelunking CACM, vol. 8 (1965): debugging, peephole optimization, and an undergraduate curriculum

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(Click on the image if it isn't large enough to read.) Overall, 1965 seemed like an "ordinary" year at  CACM . I didn't se...
Saturday, June 04, 2022

古典光学から量子光学へ

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  公開しました! 去年の「 量子通信の基礎 」の引き続き、「 古典光学から量子工学へ 」はYouTubeにアップされています。量子通信、量子インターネットなどに興味ありましたら、是非御覧ください。69本のビデオ、10時間ぐらいがあって、以下のトピックがテーマになっている: 波動...
Tuesday, May 31, 2022

Peak Digital

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  Random topic for your end-of-year brain break: I predict that we are at #PeakDigital , within a decade or so. Beyond that, we will have th...
Saturday, May 28, 2022

From Classical to Quantum Optics Course on YouTube

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The Japanese government is funding a group of us, led by Prof. Kae Nemoto (now at Okinawa Institute of Science and Technology), to create a...

An Early, Relatively Complete Quantum Computer Design

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 Based on  a Twitter thread by yours truly , about research with Thaddeus Ladd and Austin Fowler back in 2009. In the context of an ongoing...
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