Quantum Xchange & Quantum Key Distribution (QKD)...entangled photonic communications over long distances
Start watching this video, here: https://youtu.be/KnxLoScPCcQ, or here: https://quantumxc.com/watch-quantum-xchanges-tedx-talk/ at 5:39:45 to hear John Prisco, CEO of Quantum Xchange, discuss how QKD works, why we need it, and the general context of encryption.
I took away three key points: 1) the Chinese government has a 1,240 mile QKD link between Beijing and Shanghai, showing this can happen over land...over long distances, 2) they also have a satellite link that uses QKD, showing this can happen through space, and 3) Quantum Xchange has their link in the Holland Tunnel (and in fiber cables around the East Coast). I read somewhere else that the US can now do this via an airplane and ground station, allowing for secure communications to aircraft.
OK, so the video only covered points 1 and 2. I learned the 3rd point today from a news article that @Quantum_Xchange tweeted. Here is Quantum Xchange's website: https://quantumxc.com/
So, how does it work? We entangle photons (each is '1' or '0' and together those bits make up a quantum inspired algorithm key) and send them down the link. If somebody tries to look at them, they lose their entanglement and change. They show someone looked (tamper apparent). It is like Schroedinger's Cat...if someone looks the wave function collapses, and quantum values collapse to classical ones.
Pretty cool stuff. Photonics based networking. Speed of light, slowed by repeaters and other equipment.
I am still waiting for data teleportation and instantaneous communication of states between photons and electrons (if I do something here, it immediately determines the value there...and there could be very far away).
Thank you for reading.
Jeffrey Cohen, May 30, 2019, Founder & CEO of Chicago Quantum, a division of US Advanced Computing Infrastructure, Inc.
Another update on June 6, 2019. I just posted yesterday about British Telecom (BT) going live with their 125km QKD network in England in March 2019 on this website. I tweeted on it @chicago_quantum.
Looks like BT has been working on this since 1993 (when they sent their first quantum encrypted message).
Just read articles about Google, D-Wave, IonQ, IBM and generically about AI / Quantum intersection. IonQ. The first 2 had hardware innovations, the 3rd said be patient, the fourth improved interpretation and modeling, and the 5th helped us see that Quantum and AI are improving faster together, with synergies.
Worth a read...
Jeffrey Cohen, May 21, 2019
There is so much in this article, that I suggest you read it. It is not comprehensive, and may not be entirely correct...but it summarizes information that I understand, and ties together some new insights (e.g., IBM has shown the ability to use a supercomputer to simulate a 49 qubit system).
By Jeffrey Cohen, May 16, 2019
After spending ~30 minutes reading through meetup.com invitations and groups, and not signing up for a single one (not feeling social) I came across this article by the Kellogg School of Management at Northwestern University (May 1, 2019 - access via the button above). Maybe the four tips would help me network more...
1) Prepare a Repertoire of Questions—but Maintain a Curious Mindset
2) Choose Conversation Partners Wisely
3) Focus on Relationships, Not Business Cards
4) Know When to Move On
At this level, I didn't learn anything new...but there were small nuggets of insight.
1) Be interested in the answers to the questions you ask, or don't ask them. Don't fake it. Listen carefully. Look for things in common, and ways that you are similar.
2) Read the room first, quick hello to the senior executives, and focus on meeting new people. Don't pick people that look 'senior' or 'executive' and keep learning new things from people.
3a) It is ok to meet just one or two people, if it can lead to a deeper professional relationship
3b) Connect people appropriately to others to help or collaborate; this is a valuable skill.
4) Transition out of a conversation quickly enough with a thank you, interest in continuing the conversation at another time, and exchange information. We are there to network...
Hope that helps. Thank you to Holly Raider, Clinical Professor of Management at Northwestern.
According to their website (graphics are posted there too): "Nanoco leads the world in the research, development and large-scale manufacture of heavy-metal free quantum dots and semiconductor nanoparticles for use in displays, lighting, solar energy and bio-imaging."
In short, Nanoco Group PLC makes quantum dots at scale, without heavy metals, that adjust and tune light. Energy and light comes in, and can be tuned to emit the color you want...all by adjusting the length (think column) of the Cadmium Free Quantum Dots (CFQD).
What does it do/what is it? "CFQD® quantum dots are fluorescent semiconductor nanoparticles typically between 10 to 100 atoms in diameter, which is about 1/1000th the width of a human hair. When one of these particles is excited by an external light source, it absorbs the energy and re-emits the light in a different colour depending on the size of the particle. Therefore, by tuning the size of these particles, one is able to control the colour of light emitted to any colour in the spectrum."
What could that mean in quantum computing? Not sure...except it is good to see other use-cases for commercial quantum materials, in this case lighting and displays. It improves display and lighting performance and reduces energy consumption.
Who does/did Nanoco work with? Dow Chemical, Merck, and Wah Hong Industrial (as of 2016).
Other uses include making hydrocarbons from carbon dioxide, solar cells, treating antibiotic and treatment resistant strains of infections, spintronic semiconductor devices (qubit), humidity and pressure sensors, imaging of cancer tumors, miniature lasers for high speed data transfer, and as listed above, TV or computer displays.
This is worth listening to. Three start-ups and a University of Chicago professor enlighten the House Energy Subcommittees on Environment and Digital Commerce and Consumer Protection in May 2018.
My take-aways: 1) I hear mostly the same discussion of quantum computing, as a start-up technology, hard to explain, highly technical, need to use analogies, many challenges, futuristic applications, and great potential. I feel myself being pulled towards it, like an early American settler who hears "go West young man" in spite of the dangers ahead.
2) There is a search for a 'killer app' for quantum. (I have said this before in prior notes)
3) Workforce enablement is a very important constraint limiting the development of commercial quantum computing, and not just due to a lack of seats and teachers. It is a complex learning curve. It is hard to learn advanced math, physics, computer science, and materials sciences, along with specific industry domains (e.g., settlement of trades), software development lifecycle, and agile, consulting methods.
My favorite part of the video came at 1:10:00 for the next 3 minutes when congressman Larry D. Bucshon M.D. asked for the Quantum Computing Federal Funding 'elevator pitch.' Nobody got it right in my opinion. This is what my brother and mentor, Seth Cohen, Canterbury Eleven CEO, asked me to focus on last week in Florida.
Check back for more interesting news and ideas. I try to post at least weekly...and sometimes daily.
Jeffrey Cohen, Founder & CEO, Chicago Quantum, a division of U.S. Advanced Computing Infrastructure, Inc. May 9, 2019
Labor productivity over the past four quarters is the largest since 3Q/2010.
Q1/2019 highlights (seasonally adjusted annual rates):
- Output up 4.1%
- Hours Worked up 0.5%
- Unit labor costs down 0.9% (a net factor)
Download the news release here:
It wasn't in Manufacturing...output declined, labor hours worked declined faster, and relative unit labor cost became more expensive by 0.8%.
Strategic IT Management Consultant with a strong interest in Quantum Computing. Consulting for 29 years and this looks as interesting as cloud computing was in 2010.